annotate Modules/selectmodule.c @ 87690:66c1c9f32567 default tip

Add use_weakref option to functools.lru_cache The use_weakref option makes lru_cache create weak references to the function arguments when creating the cache key, which prevents them from staying in the memory forever even after all other references to them are gone. This is a proof of concept for http://bugs.python.org/issue19859
author Radomir Dopieralski <devel@sheep.art.pl>
date Tue, 03 Dec 2013 16:02:48 +0100
parents b49f9aa12dae
children
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1 /* select - Module containing unix select(2) call.
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2 Under Unix, the file descriptors are small integers.
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3 Under Win32, select only exists for sockets, and sockets may
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4 have any value except INVALID_SOCKET.
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5 */
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6
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7 #include "Python.h"
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8 #include <structmember.h>
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9
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10 #ifdef HAVE_SYS_DEVPOLL_H
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11 #include <sys/resource.h>
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12 #include <sys/devpoll.h>
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13 #include <sys/types.h>
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14 #include <sys/stat.h>
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15 #include <fcntl.h>
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16 #endif
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17
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18 #ifdef __APPLE__
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19 /* Perform runtime testing for a broken poll on OSX to make it easier
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20 * to use the same binary on multiple releases of the OS.
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21 */
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22 #undef HAVE_BROKEN_POLL
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23 #endif
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24
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25 /* Windows #defines FD_SETSIZE to 64 if FD_SETSIZE isn't already defined.
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26 64 is too small (too many people have bumped into that limit).
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27 Here we boost it.
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28 Users who want even more than the boosted limit should #define
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29 FD_SETSIZE higher before this; e.g., via compiler /D switch.
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30 */
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31 #if defined(MS_WINDOWS) && !defined(FD_SETSIZE)
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32 #define FD_SETSIZE 512
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33 #endif
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34
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35 #if defined(HAVE_POLL_H)
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36 #include <poll.h>
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37 #elif defined(HAVE_SYS_POLL_H)
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38 #include <sys/poll.h>
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39 #endif
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40
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41 #ifdef __sgi
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42 /* This is missing from unistd.h */
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43 extern void bzero(void *, int);
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44 #endif
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45
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46 #ifdef HAVE_SYS_TYPES_H
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47 #include <sys/types.h>
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48 #endif
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49
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50 #ifdef MS_WINDOWS
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51 # define WIN32_LEAN_AND_MEAN
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52 # include <winsock.h>
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53 #else
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54 # define SOCKET int
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55 # if defined(__VMS)
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56 # include <socket.h>
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57 # endif
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58 #endif
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59
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60 /* list of Python objects and their file descriptor */
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61 typedef struct {
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62 PyObject *obj; /* owned reference */
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63 SOCKET fd;
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64 int sentinel; /* -1 == sentinel */
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65 } pylist;
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66
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67 static void
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68 reap_obj(pylist fd2obj[FD_SETSIZE + 1])
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69 {
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70 int i;
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71 for (i = 0; i < FD_SETSIZE + 1 && fd2obj[i].sentinel >= 0; i++) {
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72 Py_XDECREF(fd2obj[i].obj);
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73 fd2obj[i].obj = NULL;
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74 }
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75 fd2obj[0].sentinel = -1;
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76 }
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77
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78
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79 /* returns -1 and sets the Python exception if an error occurred, otherwise
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80 returns a number >= 0
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81 */
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82 static int
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83 seq2set(PyObject *seq, fd_set *set, pylist fd2obj[FD_SETSIZE + 1])
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84 {
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85 int max = -1;
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86 int index = 0;
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87 Py_ssize_t i;
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88 PyObject* fast_seq = NULL;
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89 PyObject* o = NULL;
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90
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91 fd2obj[0].obj = (PyObject*)0; /* set list to zero size */
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92 FD_ZERO(set);
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93
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94 fast_seq = PySequence_Fast(seq, "arguments 1-3 must be sequences");
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95 if (!fast_seq)
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96 return -1;
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97
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98 for (i = 0; i < PySequence_Fast_GET_SIZE(fast_seq); i++) {
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99 SOCKET v;
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100
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101 /* any intervening fileno() calls could decr this refcnt */
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102 if (!(o = PySequence_Fast_GET_ITEM(fast_seq, i)))
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103 goto finally;
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104
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105 Py_INCREF(o);
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106 v = PyObject_AsFileDescriptor( o );
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107 if (v == -1) goto finally;
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108
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109 #if defined(_MSC_VER)
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110 max = 0; /* not used for Win32 */
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111 #else /* !_MSC_VER */
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112 if (!_PyIsSelectable_fd(v)) {
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113 PyErr_SetString(PyExc_ValueError,
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114 "filedescriptor out of range in select()");
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115 goto finally;
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116 }
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117 if (v > max)
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118 max = v;
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119 #endif /* _MSC_VER */
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120 FD_SET(v, set);
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121
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122 /* add object and its file descriptor to the list */
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123 if (index >= FD_SETSIZE) {
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124 PyErr_SetString(PyExc_ValueError,
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125 "too many file descriptors in select()");
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126 goto finally;
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127 }
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128 fd2obj[index].obj = o;
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129 fd2obj[index].fd = v;
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130 fd2obj[index].sentinel = 0;
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131 fd2obj[++index].sentinel = -1;
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132 }
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133 Py_DECREF(fast_seq);
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134 return max+1;
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135
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136 finally:
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137 Py_XDECREF(o);
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138 Py_DECREF(fast_seq);
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139 return -1;
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140 }
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141
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142 /* returns NULL and sets the Python exception if an error occurred */
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143 static PyObject *
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144 set2list(fd_set *set, pylist fd2obj[FD_SETSIZE + 1])
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145 {
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146 int i, j, count=0;
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147 PyObject *list, *o;
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148 SOCKET fd;
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149
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150 for (j = 0; fd2obj[j].sentinel >= 0; j++) {
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151 if (FD_ISSET(fd2obj[j].fd, set))
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152 count++;
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153 }
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154 list = PyList_New(count);
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155 if (!list)
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156 return NULL;
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157
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158 i = 0;
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159 for (j = 0; fd2obj[j].sentinel >= 0; j++) {
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160 fd = fd2obj[j].fd;
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161 if (FD_ISSET(fd, set)) {
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162 o = fd2obj[j].obj;
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163 fd2obj[j].obj = NULL;
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164 /* transfer ownership */
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165 if (PyList_SetItem(list, i, o) < 0)
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166 goto finally;
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167
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168 i++;
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169 }
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170 }
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171 return list;
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172 finally:
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173 Py_DECREF(list);
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174 return NULL;
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175 }
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176
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177 #undef SELECT_USES_HEAP
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178 #if FD_SETSIZE > 1024
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179 #define SELECT_USES_HEAP
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180 #endif /* FD_SETSIZE > 1024 */
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181
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182 static PyObject *
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183 select_select(PyObject *self, PyObject *args)
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184 {
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185 #ifdef SELECT_USES_HEAP
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186 pylist *rfd2obj, *wfd2obj, *efd2obj;
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187 #else /* !SELECT_USES_HEAP */
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188 /* XXX: All this should probably be implemented as follows:
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189 * - find the highest descriptor we're interested in
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190 * - add one
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191 * - that's the size
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192 * See: Stevens, APitUE, $12.5.1
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193 */
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194 pylist rfd2obj[FD_SETSIZE + 1];
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195 pylist wfd2obj[FD_SETSIZE + 1];
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196 pylist efd2obj[FD_SETSIZE + 1];
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197 #endif /* SELECT_USES_HEAP */
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198 PyObject *ifdlist, *ofdlist, *efdlist;
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199 PyObject *ret = NULL;
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200 PyObject *tout = Py_None;
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201 fd_set ifdset, ofdset, efdset;
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202 struct timeval tv, *tvp;
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203 int imax, omax, emax, max;
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204 int n;
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205
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206 /* convert arguments */
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207 if (!PyArg_UnpackTuple(args, "select", 3, 4,
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208 &ifdlist, &ofdlist, &efdlist, &tout))
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209 return NULL;
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210
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211 if (tout == Py_None)
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212 tvp = (struct timeval *)0;
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213 else if (!PyNumber_Check(tout)) {
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214 PyErr_SetString(PyExc_TypeError,
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215 "timeout must be a float or None");
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216 return NULL;
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217 }
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218 else {
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219 #ifdef MS_WINDOWS
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220 time_t sec;
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221 if (_PyTime_ObjectToTimeval(tout, &sec, &tv.tv_usec) == -1)
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222 return NULL;
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223 assert(sizeof(tv.tv_sec) == sizeof(long));
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224 #if SIZEOF_TIME_T > SIZEOF_LONG
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225 if (sec > LONG_MAX) {
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226 PyErr_SetString(PyExc_OverflowError,
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227 "timeout is too large");
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228 return NULL;
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229 }
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230 #endif
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231 tv.tv_sec = (long)sec;
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232 #else
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233 /* 64-bit OS X has struct timeval.tv_usec as an int (and thus still 4
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234 bytes as required), but no longer defined by a long. */
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235 long tv_usec;
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236 if (_PyTime_ObjectToTimeval(tout, &tv.tv_sec, &tv_usec) == -1)
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237 return NULL;
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238 tv.tv_usec = tv_usec;
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239 #endif
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240 if (tv.tv_sec < 0) {
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241 PyErr_SetString(PyExc_ValueError, "timeout must be non-negative");
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242 return NULL;
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243 }
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244 tvp = &tv;
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245 }
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246
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247
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248 #ifdef SELECT_USES_HEAP
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249 /* Allocate memory for the lists */
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250 rfd2obj = PyMem_NEW(pylist, FD_SETSIZE + 1);
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251 wfd2obj = PyMem_NEW(pylist, FD_SETSIZE + 1);
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252 efd2obj = PyMem_NEW(pylist, FD_SETSIZE + 1);
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253 if (rfd2obj == NULL || wfd2obj == NULL || efd2obj == NULL) {
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254 if (rfd2obj) PyMem_DEL(rfd2obj);
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255 if (wfd2obj) PyMem_DEL(wfd2obj);
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256 if (efd2obj) PyMem_DEL(efd2obj);
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257 return PyErr_NoMemory();
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258 }
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259 #endif /* SELECT_USES_HEAP */
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260 /* Convert sequences to fd_sets, and get maximum fd number
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261 * propagates the Python exception set in seq2set()
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262 */
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263 rfd2obj[0].sentinel = -1;
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264 wfd2obj[0].sentinel = -1;
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265 efd2obj[0].sentinel = -1;
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266 if ((imax=seq2set(ifdlist, &ifdset, rfd2obj)) < 0)
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267 goto finally;
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268 if ((omax=seq2set(ofdlist, &ofdset, wfd2obj)) < 0)
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269 goto finally;
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270 if ((emax=seq2set(efdlist, &efdset, efd2obj)) < 0)
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271 goto finally;
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272 max = imax;
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273 if (omax > max) max = omax;
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274 if (emax > max) max = emax;
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275
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276 Py_BEGIN_ALLOW_THREADS
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277 n = select(max, &ifdset, &ofdset, &efdset, tvp);
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278 Py_END_ALLOW_THREADS
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279
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280 #ifdef MS_WINDOWS
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281 if (n == SOCKET_ERROR) {
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282 PyErr_SetExcFromWindowsErr(PyExc_OSError, WSAGetLastError());
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283 }
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284 #else
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285 if (n < 0) {
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286 PyErr_SetFromErrno(PyExc_OSError);
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287 }
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288 #endif
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289 else {
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290 /* any of these three calls can raise an exception. it's more
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291 convenient to test for this after all three calls... but
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292 is that acceptable?
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293 */
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294 ifdlist = set2list(&ifdset, rfd2obj);
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295 ofdlist = set2list(&ofdset, wfd2obj);
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296 efdlist = set2list(&efdset, efd2obj);
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297 if (PyErr_Occurred())
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298 ret = NULL;
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299 else
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300 ret = PyTuple_Pack(3, ifdlist, ofdlist, efdlist);
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a4793ae26682 Changes for new UNIX-specific built-in module 'select' and new header for
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301
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c91e7f707562 Issue #18408: Fix select.select() to handle PyList_New() failure (MemoryError)
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302 Py_XDECREF(ifdlist);
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303 Py_XDECREF(ofdlist);
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304 Py_XDECREF(efdlist);
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305 }
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306
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825038d98ab6 Reworked to eliminate all potential memory problems, including
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307 finally:
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308 reap_obj(rfd2obj);
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309 reap_obj(wfd2obj);
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310 reap_obj(efd2obj);
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311 #ifdef SELECT_USES_HEAP
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312 PyMem_DEL(rfd2obj);
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313 PyMem_DEL(wfd2obj);
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314 PyMem_DEL(efd2obj);
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315 #endif /* SELECT_USES_HEAP */
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316 return ret;
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317 }
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318
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f4a4ac7331ec Added configure check for broken poll() on some unix systems (MacOS X 10.3)
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319 #if defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)
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320 /*
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321 * poll() support
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322 */
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323
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324 typedef struct {
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325 PyObject_HEAD
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326 PyObject *dict;
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327 int ufd_uptodate;
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328 int ufd_len;
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329 struct pollfd *ufds;
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072ba5df77e4 Issue #8865: Concurrent invocation of select.poll.poll() now raises a
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330 int poll_running;
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331 } pollObject;
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332
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333 static PyTypeObject poll_Type;
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334
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335 /* Update the malloc'ed array of pollfds to match the dictionary
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336 contained within a pollObject. Return 1 on success, 0 on an error.
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337 */
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338
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339 static int
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340 update_ufd_array(pollObject *self)
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341 {
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342 Py_ssize_t i, pos;
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343 PyObject *key, *value;
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344 struct pollfd *old_ufds = self->ufds;
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345
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346 self->ufd_len = PyDict_Size(self->dict);
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347 PyMem_RESIZE(self->ufds, struct pollfd, self->ufd_len);
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348 if (self->ufds == NULL) {
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349 self->ufds = old_ufds;
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350 PyErr_NoMemory();
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351 return 0;
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352 }
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353
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354 i = pos = 0;
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355 while (PyDict_Next(self->dict, &pos, &key, &value)) {
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Serhiy Storchaka <storchaka@gmail.com>
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356 assert(i < self->ufd_len);
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357 /* Never overflow */
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358 self->ufds[i].fd = (int)PyLong_AsLong(key);
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359 self->ufds[i].events = (short)PyLong_AsLong(value);
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360 i++;
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361 }
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362 assert(i == self->ufd_len);
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363 self->ufd_uptodate = 1;
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364 return 1;
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365 }
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366
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
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367 PyDoc_STRVAR(poll_register_doc,
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368 "register(fd [, eventmask] ) -> None\n\n\
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369 Register a file descriptor with the polling object.\n\
19311
fc7617312182 Fixed a couple of minor formatting nits where lines were > 79 columns wide.
Barry Warsaw <barry@python.org>
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370 fd -- either an integer, or an object with a fileno() method returning an\n\
fc7617312182 Fixed a couple of minor formatting nits where lines were > 79 columns wide.
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371 int.\n\
23832
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Martin v. Löwis <martin@v.loewis.de>
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diff changeset
372 events -- an optional bitmask describing the type of events to check for");
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373
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374 static PyObject *
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375 poll_register(pollObject *self, PyObject *args)
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376 {
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377 PyObject *o, *key, *value;
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378 int fd;
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379 short events = POLLIN | POLLPRI | POLLOUT;
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380 int err;
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381
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382 if (!PyArg_ParseTuple(args, "O|h:register", &o, &events)) {
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383 return NULL;
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384 }
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385
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386 fd = PyObject_AsFileDescriptor(o);
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387 if (fd == -1) return NULL;
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388
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389 /* Add entry to the internal dictionary: the key is the
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390 file descriptor, and the value is the event mask. */
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391 key = PyLong_FromLong(fd);
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392 if (key == NULL)
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393 return NULL;
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394 value = PyLong_FromLong(events);
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395 if (value == NULL) {
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396 Py_DECREF(key);
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397 return NULL;
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398 }
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399 err = PyDict_SetItem(self->dict, key, value);
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400 Py_DECREF(key);
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401 Py_DECREF(value);
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402 if (err < 0)
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403 return NULL;
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404
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405 self->ufd_uptodate = 0;
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406
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407 Py_INCREF(Py_None);
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408 return Py_None;
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409 }
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410
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411 PyDoc_STRVAR(poll_modify_doc,
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412 "modify(fd, eventmask) -> None\n\n\
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413 Modify an already registered file descriptor.\n\
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414 fd -- either an integer, or an object with a fileno() method returning an\n\
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415 int.\n\
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416 events -- an optional bitmask describing the type of events to check for");
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417
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418 static PyObject *
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419 poll_modify(pollObject *self, PyObject *args)
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420 {
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421 PyObject *o, *key, *value;
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422 int fd, events;
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423 int err;
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424
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425 if (!PyArg_ParseTuple(args, "Oi:modify", &o, &events)) {
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426 return NULL;
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427 }
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428
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429 fd = PyObject_AsFileDescriptor(o);
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430 if (fd == -1) return NULL;
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431
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432 /* Modify registered fd */
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433 key = PyLong_FromLong(fd);
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434 if (key == NULL)
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435 return NULL;
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436 if (PyDict_GetItem(self->dict, key) == NULL) {
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437 errno = ENOENT;
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438 PyErr_SetFromErrno(PyExc_OSError);
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439 Py_DECREF(key);
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440 return NULL;
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441 }
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442 value = PyLong_FromLong(events);
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443 if (value == NULL) {
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444 Py_DECREF(key);
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445 return NULL;
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446 }
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447 err = PyDict_SetItem(self->dict, key, value);
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448 Py_DECREF(key);
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449 Py_DECREF(value);
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450 if (err < 0)
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451 return NULL;
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452
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453 self->ufd_uptodate = 0;
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454
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455 Py_INCREF(Py_None);
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456 return Py_None;
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457 }
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458
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459
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460 PyDoc_STRVAR(poll_unregister_doc,
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461 "unregister(fd) -> None\n\n\
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462 Remove a file descriptor being tracked by the polling object.");
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463
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464 static PyObject *
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465 poll_unregister(pollObject *self, PyObject *o)
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466 {
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467 PyObject *key;
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468 int fd;
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469
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470 fd = PyObject_AsFileDescriptor( o );
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471 if (fd == -1)
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472 return NULL;
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473
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474 /* Check whether the fd is already in the array */
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475 key = PyLong_FromLong(fd);
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476 if (key == NULL)
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477 return NULL;
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478
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479 if (PyDict_DelItem(self->dict, key) == -1) {
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480 Py_DECREF(key);
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481 /* This will simply raise the KeyError set by PyDict_DelItem
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482 if the file descriptor isn't registered. */
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483 return NULL;
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484 }
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485
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486 Py_DECREF(key);
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487 self->ufd_uptodate = 0;
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488
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489 Py_INCREF(Py_None);
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490 return Py_None;
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491 }
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492
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493 PyDoc_STRVAR(poll_poll_doc,
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494 "poll( [timeout] ) -> list of (fd, event) 2-tuples\n\n\
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495 Polls the set of registered file descriptors, returning a list containing \n\
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496 any descriptors that have events or errors to report.");
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497
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498 static PyObject *
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499 poll_poll(pollObject *self, PyObject *args)
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500 {
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501 PyObject *result_list = NULL, *tout = NULL;
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502 int timeout = 0, poll_result, i, j;
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503 PyObject *value = NULL, *num = NULL;
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504
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505 if (!PyArg_UnpackTuple(args, "poll", 0, 1, &tout)) {
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506 return NULL;
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diff changeset
507 }
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
508
61467
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diff changeset
509 /* Check values for timeout */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
510 if (tout == NULL || tout == Py_None)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
511 timeout = -1;
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diff changeset
512 else if (!PyNumber_Check(tout)) {
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diff changeset
513 PyErr_SetString(PyExc_TypeError,
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diff changeset
514 "timeout must be an integer or None");
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parents: 60425
diff changeset
515 return NULL;
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diff changeset
516 }
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diff changeset
517 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
518 tout = PyNumber_Long(tout);
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diff changeset
519 if (!tout)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
520 return NULL;
81587
974ace29ee2d Issue #15989: Fix several occurrences of integer overflow
Serhiy Storchaka <storchaka@gmail.com>
parents: 80161
diff changeset
521 timeout = _PyLong_AsInt(tout);
61467
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diff changeset
522 Py_DECREF(tout);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
523 if (timeout == -1 && PyErr_Occurred())
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diff changeset
524 return NULL;
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diff changeset
525 }
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
526
85281
072ba5df77e4 Issue #8865: Concurrent invocation of select.poll.poll() now raises a
Serhiy Storchaka <storchaka@gmail.com>
parents: 83652
diff changeset
527 /* Avoid concurrent poll() invocation, issue 8865 */
072ba5df77e4 Issue #8865: Concurrent invocation of select.poll.poll() now raises a
Serhiy Storchaka <storchaka@gmail.com>
parents: 83652
diff changeset
528 if (self->poll_running) {
072ba5df77e4 Issue #8865: Concurrent invocation of select.poll.poll() now raises a
Serhiy Storchaka <storchaka@gmail.com>
parents: 83652
diff changeset
529 PyErr_SetString(PyExc_RuntimeError,
072ba5df77e4 Issue #8865: Concurrent invocation of select.poll.poll() now raises a
Serhiy Storchaka <storchaka@gmail.com>
parents: 83652
diff changeset
530 "concurrent poll() invocation");
072ba5df77e4 Issue #8865: Concurrent invocation of select.poll.poll() now raises a
Serhiy Storchaka <storchaka@gmail.com>
parents: 83652
diff changeset
531 return NULL;
072ba5df77e4 Issue #8865: Concurrent invocation of select.poll.poll() now raises a
Serhiy Storchaka <storchaka@gmail.com>
parents: 83652
diff changeset
532 }
072ba5df77e4 Issue #8865: Concurrent invocation of select.poll.poll() now raises a
Serhiy Storchaka <storchaka@gmail.com>
parents: 83652
diff changeset
533
61467
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diff changeset
534 /* Ensure the ufd array is up to date */
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parents: 60425
diff changeset
535 if (!self->ufd_uptodate)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
536 if (update_ufd_array(self) == 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
537 return NULL;
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diff changeset
538
85281
072ba5df77e4 Issue #8865: Concurrent invocation of select.poll.poll() now raises a
Serhiy Storchaka <storchaka@gmail.com>
parents: 83652
diff changeset
539 self->poll_running = 1;
072ba5df77e4 Issue #8865: Concurrent invocation of select.poll.poll() now raises a
Serhiy Storchaka <storchaka@gmail.com>
parents: 83652
diff changeset
540
61467
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diff changeset
541 /* call poll() */
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diff changeset
542 Py_BEGIN_ALLOW_THREADS
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
543 poll_result = poll(self->ufds, self->ufd_len, timeout);
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parents: 60425
diff changeset
544 Py_END_ALLOW_THREADS
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diff changeset
545
85281
072ba5df77e4 Issue #8865: Concurrent invocation of select.poll.poll() now raises a
Serhiy Storchaka <storchaka@gmail.com>
parents: 83652
diff changeset
546 self->poll_running = 0;
072ba5df77e4 Issue #8865: Concurrent invocation of select.poll.poll() now raises a
Serhiy Storchaka <storchaka@gmail.com>
parents: 83652
diff changeset
547
61467
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diff changeset
548 if (poll_result < 0) {
72879
41a1de81ef2b PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72116
diff changeset
549 PyErr_SetFromErrno(PyExc_OSError);
61467
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550 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
551 }
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
552
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
553 /* build the result list */
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
554
61467
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555 result_list = PyList_New(poll_result);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
556 if (!result_list)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
557 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
558 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
559 for (i = 0, j = 0; j < poll_result; j++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
560 /* skip to the next fired descriptor */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
561 while (!self->ufds[i].revents) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
562 i++;
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diff changeset
563 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
564 /* if we hit a NULL return, set value to NULL
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
565 and break out of loop; code at end will
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
566 clean up result_list */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
567 value = PyTuple_New(2);
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diff changeset
568 if (value == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
569 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
570 num = PyLong_FromLong(self->ufds[i].fd);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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571 if (num == NULL) {
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572 Py_DECREF(value);
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diff changeset
573 goto error;
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diff changeset
574 }
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diff changeset
575 PyTuple_SET_ITEM(value, 0, num);
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576
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diff changeset
577 /* The &0xffff is a workaround for AIX. 'revents'
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
578 is a 16-bit short, and IBM assigned POLLNVAL
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
579 to be 0x8000, so the conversion to int results
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
580 in a negative number. See SF bug #923315. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
581 num = PyLong_FromLong(self->ufds[i].revents & 0xffff);
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diff changeset
582 if (num == NULL) {
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parents: 60425
diff changeset
583 Py_DECREF(value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
584 goto error;
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diff changeset
585 }
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diff changeset
586 PyTuple_SET_ITEM(value, 1, num);
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diff changeset
587 if ((PyList_SetItem(result_list, j, value)) == -1) {
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diff changeset
588 Py_DECREF(value);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
589 goto error;
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diff changeset
590 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
591 i++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
592 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
593 }
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diff changeset
594 return result_list;
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
595
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
596 error:
61467
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diff changeset
597 Py_DECREF(result_list);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
598 return NULL;
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
599 }
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
600
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
601 static PyMethodDef poll_methods[] = {
61467
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diff changeset
602 {"register", (PyCFunction)poll_register,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
603 METH_VARARGS, poll_register_doc},
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diff changeset
604 {"modify", (PyCFunction)poll_modify,
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diff changeset
605 METH_VARARGS, poll_modify_doc},
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diff changeset
606 {"unregister", (PyCFunction)poll_unregister,
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diff changeset
607 METH_O, poll_unregister_doc},
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diff changeset
608 {"poll", (PyCFunction)poll_poll,
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diff changeset
609 METH_VARARGS, poll_poll_doc},
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diff changeset
610 {NULL, NULL} /* sentinel */
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
611 };
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
612
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
613 static pollObject *
14277
984abd20eec2 Peter Schneider-Kamp <nowonder@nowonder.de>:
Fred Drake <fdrake@acm.org>
parents: 14182
diff changeset
614 newPollObject(void)
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
615 {
61467
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diff changeset
616 pollObject *self;
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617 self = PyObject_New(pollObject, &poll_Type);
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618 if (self == NULL)
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619 return NULL;
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620 /* ufd_uptodate is a Boolean, denoting whether the
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621 array pointed to by ufds matches the contents of the dictionary. */
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622 self->ufd_uptodate = 0;
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623 self->ufds = NULL;
85281
072ba5df77e4 Issue #8865: Concurrent invocation of select.poll.poll() now raises a
Serhiy Storchaka <storchaka@gmail.com>
parents: 83652
diff changeset
624 self->poll_running = 0;
61467
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625 self->dict = PyDict_New();
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diff changeset
626 if (self->dict == NULL) {
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627 Py_DECREF(self);
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diff changeset
628 return NULL;
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diff changeset
629 }
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diff changeset
630 return self;
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
631 }
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
632
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
633 static void
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
634 poll_dealloc(pollObject *self)
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
635 {
61467
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636 if (self->ufds != NULL)
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diff changeset
637 PyMem_DEL(self->ufds);
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diff changeset
638 Py_XDECREF(self->dict);
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639 PyObject_Del(self);
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640 }
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641
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diff changeset
642 static PyTypeObject poll_Type = {
61467
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643 /* The ob_type field must be initialized in the module init function
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644 * to be portable to Windows without using C++. */
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645 PyVarObject_HEAD_INIT(NULL, 0)
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646 "select.poll", /*tp_name*/
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647 sizeof(pollObject), /*tp_basicsize*/
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648 0, /*tp_itemsize*/
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649 /* methods */
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650 (destructor)poll_dealloc, /*tp_dealloc*/
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651 0, /*tp_print*/
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652 0, /*tp_getattr*/
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653 0, /*tp_setattr*/
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654 0, /*tp_reserved*/
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655 0, /*tp_repr*/
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656 0, /*tp_as_number*/
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657 0, /*tp_as_sequence*/
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658 0, /*tp_as_mapping*/
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659 0, /*tp_hash*/
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660 0, /*tp_call*/
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661 0, /*tp_str*/
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662 0, /*tp_getattro*/
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663 0, /*tp_setattro*/
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664 0, /*tp_as_buffer*/
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665 Py_TPFLAGS_DEFAULT, /*tp_flags*/
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666 0, /*tp_doc*/
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667 0, /*tp_traverse*/
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668 0, /*tp_clear*/
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669 0, /*tp_richcompare*/
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670 0, /*tp_weaklistoffset*/
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671 0, /*tp_iter*/
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672 0, /*tp_iternext*/
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673 poll_methods, /*tp_methods*/
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674 };
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675
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676 #ifdef HAVE_SYS_DEVPOLL_H
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677 typedef struct {
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678 PyObject_HEAD
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diff changeset
679 int fd_devpoll;
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680 int max_n_fds;
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681 int n_fds;
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diff changeset
682 struct pollfd *fds;
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683 } devpollObject;
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684
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685 static PyTypeObject devpoll_Type;
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686
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687 static PyObject *
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688 devpoll_err_closed(void)
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689 {
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690 PyErr_SetString(PyExc_ValueError, "I/O operation on closed devpoll object");
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
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691 return NULL;
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692 }
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693
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diff changeset
694 static int devpoll_flush(devpollObject *self)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
695 {
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696 int size, n;
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697
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diff changeset
698 if (!self->n_fds) return 0;
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699
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700 size = sizeof(struct pollfd)*self->n_fds;
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701 self->n_fds = 0;
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702
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diff changeset
703 Py_BEGIN_ALLOW_THREADS
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diff changeset
704 n = write(self->fd_devpoll, self->fds, size);
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diff changeset
705 Py_END_ALLOW_THREADS
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diff changeset
706
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diff changeset
707 if (n == -1 ) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
708 PyErr_SetFromErrno(PyExc_IOError);
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diff changeset
709 return -1;
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710 }
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Jesus Cea <jcea@jcea.es>
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diff changeset
711 if (n < size) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
712 /*
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
713 ** Data writed to /dev/poll is a binary data structure. It is not
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
714 ** clear what to do if a partial write occurred. For now, raise
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diff changeset
715 ** an exception and see if we actually found this problem in
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
716 ** the wild.
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
717 ** See http://bugs.python.org/issue6397.
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
718 */
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
719 PyErr_Format(PyExc_IOError, "failed to write all pollfds. "
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
720 "Please, report at http://bugs.python.org/. "
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
721 "Data to report: Size tried: %d, actual size written: %d.",
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
722 size, n);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
723 return -1;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
724 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
725 return 0;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
726 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
727
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
728 static PyObject *
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
729 internal_devpoll_register(devpollObject *self, PyObject *args, int remove)
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diff changeset
730 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
731 PyObject *o;
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diff changeset
732 int fd, events = POLLIN | POLLPRI | POLLOUT;
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733
85300
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
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diff changeset
734 if (self->fd_devpoll < 0)
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
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diff changeset
735 return devpoll_err_closed();
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736
73549
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diff changeset
737 if (!PyArg_ParseTuple(args, "O|i:register", &o, &events)) {
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diff changeset
738 return NULL;
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diff changeset
739 }
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diff changeset
740
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
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diff changeset
741 fd = PyObject_AsFileDescriptor(o);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
742 if (fd == -1) return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
743
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
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diff changeset
744 if (remove) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
745 self->fds[self->n_fds].fd = fd;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
746 self->fds[self->n_fds].events = POLLREMOVE;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
747
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
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diff changeset
748 if (++self->n_fds == self->max_n_fds) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
749 if (devpoll_flush(self))
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
750 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
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diff changeset
751 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
752 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
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diff changeset
753
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
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diff changeset
754 self->fds[self->n_fds].fd = fd;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
755 self->fds[self->n_fds].events = events;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
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diff changeset
756
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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parents: 72879
diff changeset
757 if (++self->n_fds == self->max_n_fds) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
758 if (devpoll_flush(self))
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
759 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
760 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
761
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
762 Py_RETURN_NONE;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
763 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
764
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
765 PyDoc_STRVAR(devpoll_register_doc,
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
766 "register(fd [, eventmask] ) -> None\n\n\
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
767 Register a file descriptor with the polling object.\n\
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
768 fd -- either an integer, or an object with a fileno() method returning an\n\
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
769 int.\n\
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
770 events -- an optional bitmask describing the type of events to check for");
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
771
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
772 static PyObject *
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
773 devpoll_register(devpollObject *self, PyObject *args)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
774 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
775 return internal_devpoll_register(self, args, 0);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
776 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
777
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
778 PyDoc_STRVAR(devpoll_modify_doc,
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
779 "modify(fd[, eventmask]) -> None\n\n\
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
780 Modify a possible already registered file descriptor.\n\
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
781 fd -- either an integer, or an object with a fileno() method returning an\n\
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
782 int.\n\
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
783 events -- an optional bitmask describing the type of events to check for");
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
784
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
785 static PyObject *
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
786 devpoll_modify(devpollObject *self, PyObject *args)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
787 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
788 return internal_devpoll_register(self, args, 1);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
789 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
790
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
791
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
792 PyDoc_STRVAR(devpoll_unregister_doc,
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
793 "unregister(fd) -> None\n\n\
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
794 Remove a file descriptor being tracked by the polling object.");
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
795
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
796 static PyObject *
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
797 devpoll_unregister(devpollObject *self, PyObject *o)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
798 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
799 int fd;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
800
85300
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
801 if (self->fd_devpoll < 0)
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
802 return devpoll_err_closed();
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
803
73549
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
804 fd = PyObject_AsFileDescriptor( o );
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
805 if (fd == -1)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
806 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
807
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
808 self->fds[self->n_fds].fd = fd;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
809 self->fds[self->n_fds].events = POLLREMOVE;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
810
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
811 if (++self->n_fds == self->max_n_fds) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
812 if (devpoll_flush(self))
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
813 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
814 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
815
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
816 Py_RETURN_NONE;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
817 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
818
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
819 PyDoc_STRVAR(devpoll_poll_doc,
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
820 "poll( [timeout] ) -> list of (fd, event) 2-tuples\n\n\
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
821 Polls the set of registered file descriptors, returning a list containing \n\
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
822 any descriptors that have events or errors to report.");
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
823
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
824 static PyObject *
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
825 devpoll_poll(devpollObject *self, PyObject *args)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
826 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
827 struct dvpoll dvp;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
828 PyObject *result_list = NULL, *tout = NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
829 int poll_result, i;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
830 long timeout;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
831 PyObject *value, *num1, *num2;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
832
85300
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
833 if (self->fd_devpoll < 0)
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
834 return devpoll_err_closed();
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
835
73549
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
836 if (!PyArg_UnpackTuple(args, "poll", 0, 1, &tout)) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
837 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
838 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
839
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
840 /* Check values for timeout */
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
841 if (tout == NULL || tout == Py_None)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
842 timeout = -1;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
843 else if (!PyNumber_Check(tout)) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
844 PyErr_SetString(PyExc_TypeError,
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
845 "timeout must be an integer or None");
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
846 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
847 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
848 else {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
849 tout = PyNumber_Long(tout);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
850 if (!tout)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
851 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
852 timeout = PyLong_AsLong(tout);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
853 Py_DECREF(tout);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
854 if (timeout == -1 && PyErr_Occurred())
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
855 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
856 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
857
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
858 if ((timeout < -1) || (timeout > INT_MAX)) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
859 PyErr_SetString(PyExc_OverflowError,
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
860 "timeout is out of range");
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
861 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
862 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
863
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
864 if (devpoll_flush(self))
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
865 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
866
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
867 dvp.dp_fds = self->fds;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
868 dvp.dp_nfds = self->max_n_fds;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
869 dvp.dp_timeout = timeout;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
870
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
871 /* call devpoll() */
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
872 Py_BEGIN_ALLOW_THREADS
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
873 poll_result = ioctl(self->fd_devpoll, DP_POLL, &dvp);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
874 Py_END_ALLOW_THREADS
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
875
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
876 if (poll_result < 0) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
877 PyErr_SetFromErrno(PyExc_IOError);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
878 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
879 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
880
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
881 /* build the result list */
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
882
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
883 result_list = PyList_New(poll_result);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
884 if (!result_list)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
885 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
886 else {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
887 for (i = 0; i < poll_result; i++) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
888 num1 = PyLong_FromLong(self->fds[i].fd);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
889 num2 = PyLong_FromLong(self->fds[i].revents);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
890 if ((num1 == NULL) || (num2 == NULL)) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
891 Py_XDECREF(num1);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
892 Py_XDECREF(num2);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
893 goto error;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
894 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
895 value = PyTuple_Pack(2, num1, num2);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
896 Py_DECREF(num1);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
897 Py_DECREF(num2);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
898 if (value == NULL)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
899 goto error;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
900 if ((PyList_SetItem(result_list, i, value)) == -1) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
901 Py_DECREF(value);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
902 goto error;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
903 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
904 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
905 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
906
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
907 return result_list;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
908
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
909 error:
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
910 Py_DECREF(result_list);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
911 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
912 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
913
85321
90f38db8f6ef Move definition of devpoll_internal_close() before devpoll_close().
Richard Oudkerk <shibturn@gmail.com>
parents: 85320
diff changeset
914 static int
90f38db8f6ef Move definition of devpoll_internal_close() before devpoll_close().
Richard Oudkerk <shibturn@gmail.com>
parents: 85320
diff changeset
915 devpoll_internal_close(devpollObject *self)
90f38db8f6ef Move definition of devpoll_internal_close() before devpoll_close().
Richard Oudkerk <shibturn@gmail.com>
parents: 85320
diff changeset
916 {
90f38db8f6ef Move definition of devpoll_internal_close() before devpoll_close().
Richard Oudkerk <shibturn@gmail.com>
parents: 85320
diff changeset
917 int save_errno = 0;
90f38db8f6ef Move definition of devpoll_internal_close() before devpoll_close().
Richard Oudkerk <shibturn@gmail.com>
parents: 85320
diff changeset
918 if (self->fd_devpoll >= 0) {
90f38db8f6ef Move definition of devpoll_internal_close() before devpoll_close().
Richard Oudkerk <shibturn@gmail.com>
parents: 85320
diff changeset
919 int fd = self->fd_devpoll;
90f38db8f6ef Move definition of devpoll_internal_close() before devpoll_close().
Richard Oudkerk <shibturn@gmail.com>
parents: 85320
diff changeset
920 self->fd_devpoll = -1;
90f38db8f6ef Move definition of devpoll_internal_close() before devpoll_close().
Richard Oudkerk <shibturn@gmail.com>
parents: 85320
diff changeset
921 Py_BEGIN_ALLOW_THREADS
90f38db8f6ef Move definition of devpoll_internal_close() before devpoll_close().
Richard Oudkerk <shibturn@gmail.com>
parents: 85320
diff changeset
922 if (close(fd) < 0)
90f38db8f6ef Move definition of devpoll_internal_close() before devpoll_close().
Richard Oudkerk <shibturn@gmail.com>
parents: 85320
diff changeset
923 save_errno = errno;
90f38db8f6ef Move definition of devpoll_internal_close() before devpoll_close().
Richard Oudkerk <shibturn@gmail.com>
parents: 85320
diff changeset
924 Py_END_ALLOW_THREADS
90f38db8f6ef Move definition of devpoll_internal_close() before devpoll_close().
Richard Oudkerk <shibturn@gmail.com>
parents: 85320
diff changeset
925 }
90f38db8f6ef Move definition of devpoll_internal_close() before devpoll_close().
Richard Oudkerk <shibturn@gmail.com>
parents: 85320
diff changeset
926 return save_errno;
90f38db8f6ef Move definition of devpoll_internal_close() before devpoll_close().
Richard Oudkerk <shibturn@gmail.com>
parents: 85320
diff changeset
927 }
90f38db8f6ef Move definition of devpoll_internal_close() before devpoll_close().
Richard Oudkerk <shibturn@gmail.com>
parents: 85320
diff changeset
928
85300
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
929 static PyObject*
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
930 devpoll_close(devpollObject *self)
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
931 {
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
932 errno = devpoll_internal_close(self);
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
933 if (errno < 0) {
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
934 PyErr_SetFromErrno(PyExc_OSError);
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
935 return NULL;
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
936 }
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
937 Py_RETURN_NONE;
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
938 }
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
939
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
940 PyDoc_STRVAR(devpoll_close_doc,
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
941 "close() -> None\n\
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
942 \n\
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
943 Close the devpoll file descriptor. Further operations on the devpoll\n\
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
944 object will raise an exception.");
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
945
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
946 static PyObject*
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
947 devpoll_get_closed(devpollObject *self)
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
948 {
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
949 if (self->fd_devpoll < 0)
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
950 Py_RETURN_TRUE;
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
951 else
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
952 Py_RETURN_FALSE;
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
953 }
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
954
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
955 static PyObject*
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
956 devpoll_fileno(devpollObject *self)
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
957 {
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
958 if (self->fd_devpoll < 0)
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
959 return devpoll_err_closed();
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
960 return PyLong_FromLong(self->fd_devpoll);
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
961 }
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
962
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
963 PyDoc_STRVAR(devpoll_fileno_doc,
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
964 "fileno() -> int\n\
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
965 \n\
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
966 Return the file descriptor.");
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
967
73549
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
968 static PyMethodDef devpoll_methods[] = {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
969 {"register", (PyCFunction)devpoll_register,
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
970 METH_VARARGS, devpoll_register_doc},
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
971 {"modify", (PyCFunction)devpoll_modify,
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
972 METH_VARARGS, devpoll_modify_doc},
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
973 {"unregister", (PyCFunction)devpoll_unregister,
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
974 METH_O, devpoll_unregister_doc},
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
975 {"poll", (PyCFunction)devpoll_poll,
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
976 METH_VARARGS, devpoll_poll_doc},
85300
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
977 {"close", (PyCFunction)devpoll_close, METH_NOARGS,
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
978 devpoll_close_doc},
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
979 {"fileno", (PyCFunction)devpoll_fileno, METH_NOARGS,
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
980 devpoll_fileno_doc},
73549
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
981 {NULL, NULL} /* sentinel */
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
982 };
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
983
85300
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
984 static PyGetSetDef devpoll_getsetlist[] = {
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
985 {"closed", (getter)devpoll_get_closed, NULL,
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
986 "True if the devpoll object is closed"},
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
987 {0},
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
988 };
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
989
73549
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
990 static devpollObject *
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
991 newDevPollObject(void)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
992 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
993 devpollObject *self;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
994 int fd_devpoll, limit_result;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
995 struct pollfd *fds;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
996 struct rlimit limit;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
997
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
998 Py_BEGIN_ALLOW_THREADS
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
999 /*
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1000 ** If we try to process more that getrlimit()
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1001 ** fds, the kernel will give an error, so
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1002 ** we set the limit here. It is a dynamic
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1003 ** value, because we can change rlimit() anytime.
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1004 */
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1005 limit_result = getrlimit(RLIMIT_NOFILE, &limit);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1006 if (limit_result != -1)
85420
ef889c3d5dc6 Issue #18571: Implementation of the PEP 446: file descriptors and file handles
Victor Stinner <victor.stinner@gmail.com>
parents: 85383
diff changeset
1007 fd_devpoll = _Py_open("/dev/poll", O_RDWR);
73549
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1008 Py_END_ALLOW_THREADS
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1009
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1010 if (limit_result == -1) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1011 PyErr_SetFromErrno(PyExc_OSError);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1012 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1013 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1014 if (fd_devpoll == -1) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1015 PyErr_SetFromErrnoWithFilename(PyExc_IOError, "/dev/poll");
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1016 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1017 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1018
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1019 fds = PyMem_NEW(struct pollfd, limit.rlim_cur);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1020 if (fds == NULL) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1021 close(fd_devpoll);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1022 PyErr_NoMemory();
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1023 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1024 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1025
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1026 self = PyObject_New(devpollObject, &devpoll_Type);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1027 if (self == NULL) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1028 close(fd_devpoll);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1029 PyMem_DEL(fds);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1030 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1031 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1032 self->fd_devpoll = fd_devpoll;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1033 self->max_n_fds = limit.rlim_cur;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1034 self->n_fds = 0;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1035 self->fds = fds;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1036
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1037 return self;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1038 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1039
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1040 static void
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1041 devpoll_dealloc(devpollObject *self)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1042 {
85322
caf72b44240b Fix devpoll_dealloc().
Richard Oudkerk <shibturn@gmail.com>
parents: 85321
diff changeset
1043 (void)devpoll_internal_close(self);
73549
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1044 PyMem_DEL(self->fds);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1045 PyObject_Del(self);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1046 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1047
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1048 static PyTypeObject devpoll_Type = {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1049 /* The ob_type field must be initialized in the module init function
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1050 * to be portable to Windows without using C++. */
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1051 PyVarObject_HEAD_INIT(NULL, 0)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1052 "select.devpoll", /*tp_name*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1053 sizeof(devpollObject), /*tp_basicsize*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1054 0, /*tp_itemsize*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1055 /* methods */
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1056 (destructor)devpoll_dealloc, /*tp_dealloc*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1057 0, /*tp_print*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1058 0, /*tp_getattr*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1059 0, /*tp_setattr*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1060 0, /*tp_reserved*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1061 0, /*tp_repr*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1062 0, /*tp_as_number*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1063 0, /*tp_as_sequence*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1064 0, /*tp_as_mapping*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1065 0, /*tp_hash*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1066 0, /*tp_call*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1067 0, /*tp_str*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1068 0, /*tp_getattro*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1069 0, /*tp_setattro*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1070 0, /*tp_as_buffer*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1071 Py_TPFLAGS_DEFAULT, /*tp_flags*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1072 0, /*tp_doc*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1073 0, /*tp_traverse*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1074 0, /*tp_clear*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1075 0, /*tp_richcompare*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1076 0, /*tp_weaklistoffset*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1077 0, /*tp_iter*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1078 0, /*tp_iternext*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1079 devpoll_methods, /*tp_methods*/
85300
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
1080 0, /* tp_members */
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
parents: 85282
diff changeset
1081 devpoll_getsetlist, /* tp_getset */
73549
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1082 };
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1083 #endif /* HAVE_SYS_DEVPOLL_H */
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1084
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1085
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1086
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23607
diff changeset
1087 PyDoc_STRVAR(poll_doc,
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
1088 "Returns a polling object, which supports registering and\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23607
diff changeset
1089 unregistering file descriptors, and then polling them for I/O events.");
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
1090
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
1091 static PyObject *
38489
3fe3ccdf0155 Make use of METH_O and METH_NOARGS where possible.
Georg Brandl <georg@python.org>
parents: 37935
diff changeset
1092 select_poll(PyObject *self, PyObject *unused)
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
1093 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
1094 return (PyObject *)newPollObject();
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
1095 }
37935
e3a8a8de355e Patch 1471761 - test for broken poll at runtime
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 36501
diff changeset
1096
73549
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1097 #ifdef HAVE_SYS_DEVPOLL_H
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1098 PyDoc_STRVAR(devpoll_doc,
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1099 "Returns a polling object, which supports registering and\n\
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1100 unregistering file descriptors, and then polling them for I/O events.");
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
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1101
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1102 static PyObject *
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diff changeset
1103 select_devpoll(PyObject *self, PyObject *unused)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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1104 {
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diff changeset
1105 return (PyObject *)newDevPollObject();
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1106 }
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1107 #endif
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1108
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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1109
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1110 #ifdef __APPLE__
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1111 /*
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1112 * On some systems poll() sets errno on invalid file descriptors. We test
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diff changeset
1113 * for this at runtime because this bug may be fixed or introduced between
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1114 * OS releases.
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1115 */
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Ronald Oussoren <ronaldoussoren@mac.com>
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1116 static int select_have_broken_poll(void)
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1117 {
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1118 int poll_test;
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1119 int filedes[2];
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1120
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1121 struct pollfd poll_struct = { 0, POLLIN|POLLPRI|POLLOUT, 0 };
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1122
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1123 /* Create a file descriptor to make invalid */
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1124 if (pipe(filedes) < 0) {
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1125 return 1;
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1126 }
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1127 poll_struct.fd = filedes[0];
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1128 close(filedes[0]);
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1129 close(filedes[1]);
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1130 poll_test = poll(&poll_struct, 1, 0);
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1131 if (poll_test < 0) {
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1132 return 1;
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1133 } else if (poll_test == 0 && poll_struct.revents != POLLNVAL) {
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1134 return 1;
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1135 }
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1136 return 0;
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1137 }
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1138 #endif /* __APPLE__ */
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1139
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1140 #endif /* HAVE_POLL */
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
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1141
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1142 #ifdef HAVE_EPOLL
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1143 /* **************************************************************************
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1144 * epoll interface for Linux 2.6
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1145 *
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1146 * Written by Christian Heimes
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1147 * Inspired by Twisted's _epoll.pyx and select.poll()
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1148 */
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1149
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1150 #ifdef HAVE_SYS_EPOLL_H
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1151 #include <sys/epoll.h>
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1152 #endif
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1153
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1154 typedef struct {
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1155 PyObject_HEAD
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1156 SOCKET epfd; /* epoll control file descriptor */
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1157 } pyEpoll_Object;
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1158
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1159 static PyTypeObject pyEpoll_Type;
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1160 #define pyepoll_CHECK(op) (PyObject_TypeCheck((op), &pyEpoll_Type))
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1161
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1162 static PyObject *
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1163 pyepoll_err_closed(void)
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1164 {
85300
ccbe2132392b Close #18794: Add a fileno() method and a closed attribute to select.devpoll
Victor Stinner <victor.stinner@gmail.com>
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diff changeset
1165 PyErr_SetString(PyExc_ValueError, "I/O operation on closed epoll object");
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1166 return NULL;
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1167 }
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1168
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1169 static int
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1170 pyepoll_internal_close(pyEpoll_Object *self)
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1171 {
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1172 int save_errno = 0;
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1173 if (self->epfd >= 0) {
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1174 int epfd = self->epfd;
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1175 self->epfd = -1;
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1176 Py_BEGIN_ALLOW_THREADS
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1177 if (close(epfd) < 0)
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1178 save_errno = errno;
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1179 Py_END_ALLOW_THREADS
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1180 }
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1181 return save_errno;
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1182 }
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1183
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1184 static PyObject *
74187
0f9276411dce fix for old kernels which don't have epoll_create1
Benjamin Peterson <benjamin@python.org>
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diff changeset
1185 newPyEpoll_Object(PyTypeObject *type, int sizehint, int flags, SOCKET fd)
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1186 {
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1187 pyEpoll_Object *self;
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1188
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1189 assert(type != NULL && type->tp_alloc != NULL);
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1190 self = (pyEpoll_Object *) type->tp_alloc(type, 0);
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1191 if (self == NULL)
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1192 return NULL;
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1193
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1194 if (fd == -1) {
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1195 Py_BEGIN_ALLOW_THREADS
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1196 #ifdef HAVE_EPOLL_CREATE1
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1197 flags |= EPOLL_CLOEXEC;
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1198 if (flags)
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1199 self->epfd = epoll_create1(flags);
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1200 else
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1201 #endif
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1202 self->epfd = epoll_create(sizehint);
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1203 Py_END_ALLOW_THREADS
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1204 }
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1205 else {
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1206 self->epfd = fd;
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1207 }
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1208 if (self->epfd < 0) {
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1209 Py_DECREF(self);
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1210 PyErr_SetFromErrno(PyExc_OSError);
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1211 return NULL;
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1212 }
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1213
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1214 #ifndef HAVE_EPOLL_CREATE1
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1215 if (fd == -1 && _Py_set_inheritable(self->epfd, 0, NULL) < 0) {
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1216 Py_DECREF(self);
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1217 return NULL;
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1218 }
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1219 #endif
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1220
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1221 return (PyObject *)self;
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1222 }
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1223
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1224
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1225 static PyObject *
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1226 pyepoll_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
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1227 {
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1228 int flags = 0, sizehint = FD_SETSIZE - 1;
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1229 static char *kwlist[] = {"sizehint", "flags", NULL};
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1230
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1231 if (!PyArg_ParseTupleAndKeywords(args, kwds, "|ii:epoll", kwlist,
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1232 &sizehint, &flags))
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1233 return NULL;
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1234 if (sizehint < 0) {
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1235 PyErr_SetString(PyExc_ValueError, "negative sizehint");
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1236 return NULL;
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1237 }
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1238
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1239 return newPyEpoll_Object(type, sizehint, flags, -1);
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1240 }
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1241
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1242
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1243 static void
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1244 pyepoll_dealloc(pyEpoll_Object *self)
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1245 {
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1246 (void)pyepoll_internal_close(self);
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1247 Py_TYPE(self)->tp_free(self);
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1248 }
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1249
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diff changeset
1250 static PyObject*
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1251 pyepoll_close(pyEpoll_Object *self)
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1252 {
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1253 errno = pyepoll_internal_close(self);
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1254 if (errno < 0) {
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1255 PyErr_SetFromErrno(PyExc_OSError);
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1256 return NULL;
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1257 }
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1258 Py_RETURN_NONE;
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1259 }
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1260
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diff changeset
1261 PyDoc_STRVAR(pyepoll_close_doc,
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1262 "close() -> None\n\
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1263 \n\
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1264 Close the epoll control file descriptor. Further operations on the epoll\n\
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1265 object will raise an exception.");
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1266
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diff changeset
1267 static PyObject*
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1268 pyepoll_get_closed(pyEpoll_Object *self)
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1269 {
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1270 if (self->epfd < 0)
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1271 Py_RETURN_TRUE;
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1272 else
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1273 Py_RETURN_FALSE;
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1274 }
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1275
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diff changeset
1276 static PyObject*
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1277 pyepoll_fileno(pyEpoll_Object *self)
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1278 {
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1279 if (self->epfd < 0)
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1280 return pyepoll_err_closed();
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1281 return PyLong_FromLong(self->epfd);
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1282 }
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1283
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diff changeset
1284 PyDoc_STRVAR(pyepoll_fileno_doc,
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1285 "fileno() -> int\n\
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1286 \n\
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1287 Return the epoll control file descriptor.");
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1288
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diff changeset
1289 static PyObject*
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1290 pyepoll_fromfd(PyObject *cls, PyObject *args)
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1291 {
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1292 SOCKET fd;
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1293
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1294 if (!PyArg_ParseTuple(args, "i:fromfd", &fd))
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1295 return NULL;
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1296
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1297 return newPyEpoll_Object((PyTypeObject*)cls, FD_SETSIZE - 1, 0, fd);
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1298 }
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1299
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1300 PyDoc_STRVAR(pyepoll_fromfd_doc,
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1301 "fromfd(fd) -> epoll\n\
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1302 \n\
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1303 Create an epoll object from a given control fd.");
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1304
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diff changeset
1305 static PyObject *
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1306 pyepoll_internal_ctl(int epfd, int op, PyObject *pfd, unsigned int events)
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1307 {
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1308 struct epoll_event ev;
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1309 int result;
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1310 int fd;
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1311
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1312 if (epfd < 0)
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1313 return pyepoll_err_closed();
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1314
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1315 fd = PyObject_AsFileDescriptor(pfd);
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1316 if (fd == -1) {
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1317 return NULL;
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1318 }
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1319
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1320 switch(op) {
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1321 case EPOLL_CTL_ADD:
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1322 case EPOLL_CTL_MOD:
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1323 ev.events = events;
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1324 ev.data.fd = fd;
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1325 Py_BEGIN_ALLOW_THREADS
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1326 result = epoll_ctl(epfd, op, fd, &ev);
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1327 Py_END_ALLOW_THREADS
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1328 break;
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1329 case EPOLL_CTL_DEL:
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1330 /* In kernel versions before 2.6.9, the EPOLL_CTL_DEL
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1331 * operation required a non-NULL pointer in event, even
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1332 * though this argument is ignored. */
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1333 Py_BEGIN_ALLOW_THREADS
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1334 result = epoll_ctl(epfd, op, fd, &ev);
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1335 if (errno == EBADF) {
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1336 /* fd already closed */
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1337 result = 0;
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1338 errno = 0;
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1339 }
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1340 Py_END_ALLOW_THREADS
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1341 break;
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1342 default:
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1343 result = -1;
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1344 errno = EINVAL;
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1345 }
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1346
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1347 if (result < 0) {
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1348 PyErr_SetFromErrno(PyExc_OSError);
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1349 return NULL;
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1350 }
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1351 Py_RETURN_NONE;
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1352 }
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1353
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1354 static PyObject *
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1355 pyepoll_register(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
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1356 {
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1357 PyObject *pfd;
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1358 unsigned int events = EPOLLIN | EPOLLOUT | EPOLLPRI;
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1359 static char *kwlist[] = {"fd", "eventmask", NULL};
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1360
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1361 if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|I:register", kwlist,
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1362 &pfd, &events)) {
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1363 return NULL;
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1364 }
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1365
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1366 return pyepoll_internal_ctl(self->epfd, EPOLL_CTL_ADD, pfd, events);
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1367 }
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1368
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1369 PyDoc_STRVAR(pyepoll_register_doc,
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1370 "register(fd[, eventmask]) -> None\n\
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1371 \n\
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1372 Registers a new fd or raises an OSError if the fd is already registered.\n\
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1373 fd is the target file descriptor of the operation.\n\
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1374 events is a bit set composed of the various EPOLL constants; the default\n\
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1375 is EPOLL_IN | EPOLL_OUT | EPOLL_PRI.\n\
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1376 \n\
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1377 The epoll interface supports all file descriptors that support poll.");
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1378
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1379 static PyObject *
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1380 pyepoll_modify(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
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1381 {
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1382 PyObject *pfd;
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1383 unsigned int events;
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1384 static char *kwlist[] = {"fd", "eventmask", NULL};
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1385
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1386 if (!PyArg_ParseTupleAndKeywords(args, kwds, "OI:modify", kwlist,
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1387 &pfd, &events)) {
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1388 return NULL;
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1389 }
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1390
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1391 return pyepoll_internal_ctl(self->epfd, EPOLL_CTL_MOD, pfd, events);
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1392 }
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1393
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1394 PyDoc_STRVAR(pyepoll_modify_doc,
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1395 "modify(fd, eventmask) -> None\n\
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1396 \n\
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1397 fd is the target file descriptor of the operation\n\
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1398 events is a bit set composed of the various EPOLL constants");
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1399
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1400 static PyObject *
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1401 pyepoll_unregister(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
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1402 {
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1403 PyObject *pfd;
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1404 static char *kwlist[] = {"fd", NULL};
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1405
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1406 if (!PyArg_ParseTupleAndKeywords(args, kwds, "O:unregister", kwlist,
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1407 &pfd)) {
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1408 return NULL;
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1409 }
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1410
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1411 return pyepoll_internal_ctl(self->epfd, EPOLL_CTL_DEL, pfd, 0);
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1412 }
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1413
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1414 PyDoc_STRVAR(pyepoll_unregister_doc,
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1415 "unregister(fd) -> None\n\
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1416 \n\
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1417 fd is the target file descriptor of the operation.");
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1418
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diff changeset
1419 static PyObject *
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diff changeset
1420 pyepoll_poll(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
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diff changeset
1421 {
61467
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diff changeset
1422 double dtimeout = -1.;
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diff changeset
1423 int timeout;
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diff changeset
1424 int maxevents = -1;
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diff changeset
1425 int nfds, i;
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diff changeset
1426 PyObject *elist = NULL, *etuple = NULL;
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diff changeset
1427 struct epoll_event *evs = NULL;
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diff changeset
1428 static char *kwlist[] = {"timeout", "maxevents", NULL};
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diff changeset
1429
61467
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diff changeset
1430 if (self->epfd < 0)
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diff changeset
1431 return pyepoll_err_closed();
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1432
61467
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diff changeset
1433 if (!PyArg_ParseTupleAndKeywords(args, kwds, "|di:poll", kwlist,
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diff changeset
1434 &dtimeout, &maxevents)) {
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diff changeset
1435 return NULL;
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diff changeset
1436 }
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diff changeset
1437
61467
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diff changeset
1438 if (dtimeout < 0) {
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diff changeset
1439 timeout = -1;
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diff changeset
1440 }
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diff changeset
1441 else if (dtimeout * 1000.0 > INT_MAX) {
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diff changeset
1442 PyErr_SetString(PyExc_OverflowError,
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diff changeset
1443 "timeout is too large");
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diff changeset
1444 return NULL;
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diff changeset
1445 }
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diff changeset
1446 else {
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diff changeset
1447 timeout = (int)(dtimeout * 1000.0);
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diff changeset
1448 }
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1449
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diff changeset
1450 if (maxevents == -1) {
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diff changeset
1451 maxevents = FD_SETSIZE-1;
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diff changeset
1452 }
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1453 else if (maxevents < 1) {
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diff changeset
1454 PyErr_Format(PyExc_ValueError,
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diff changeset
1455 "maxevents must be greater than 0, got %d",
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diff changeset
1456 maxevents);
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diff changeset
1457 return NULL;
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1458 }
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1459
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1460 evs = PyMem_New(struct epoll_event, maxevents);
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diff changeset
1461 if (evs == NULL) {
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diff changeset
1462 PyErr_NoMemory();
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diff changeset
1463 return NULL;
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1464 }
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1465
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1466 Py_BEGIN_ALLOW_THREADS
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diff changeset
1467 nfds = epoll_wait(self->epfd, evs, maxevents, timeout);
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diff changeset
1468 Py_END_ALLOW_THREADS
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diff changeset
1469 if (nfds < 0) {
72879
41a1de81ef2b PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72116
diff changeset
1470 PyErr_SetFromErrno(PyExc_OSError);
61467
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1471 goto error;
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1472 }
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1473
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1474 elist = PyList_New(nfds);
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diff changeset
1475 if (elist == NULL) {
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parents: 60425
diff changeset
1476 goto error;
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diff changeset
1477 }
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1478
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1479 for (i = 0; i < nfds; i++) {
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diff changeset
1480 etuple = Py_BuildValue("iI", evs[i].data.fd, evs[i].events);
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diff changeset
1481 if (etuple == NULL) {
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diff changeset
1482 Py_CLEAR(elist);
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diff changeset
1483 goto error;
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diff changeset
1484 }
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diff changeset
1485 PyList_SET_ITEM(elist, i, etuple);
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1486 }
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1487
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1488 error:
61467
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1489 PyMem_Free(evs);
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1490 return elist;
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1491 }
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1492
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diff changeset
1493 PyDoc_STRVAR(pyepoll_poll_doc,
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diff changeset
1494 "poll([timeout=-1[, maxevents=-1]]) -> [(fd, events), (...)]\n\
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1495 \n\
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diff changeset
1496 Wait for events on the epoll file descriptor for a maximum time of timeout\n\
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1497 in seconds (as float). -1 makes poll wait indefinitely.\n\
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1498 Up to maxevents are returned to the caller.");
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1499
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1500 static PyObject *
d6f61cd364d9 Issue #16488: epoll() objects now support the `with` statement.
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1501 pyepoll_enter(pyEpoll_Object *self, PyObject *args)
d6f61cd364d9 Issue #16488: epoll() objects now support the `with` statement.
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1502 {
d6f61cd364d9 Issue #16488: epoll() objects now support the `with` statement.
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1503 if (self->epfd < 0)
d6f61cd364d9 Issue #16488: epoll() objects now support the `with` statement.
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1504 return pyepoll_err_closed();
d6f61cd364d9 Issue #16488: epoll() objects now support the `with` statement.
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1505
d6f61cd364d9 Issue #16488: epoll() objects now support the `with` statement.
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1506 Py_INCREF(self);
d6f61cd364d9 Issue #16488: epoll() objects now support the `with` statement.
Antoine Pitrou <solipsis@pitrou.net>
parents: 80163
diff changeset
1507 return (PyObject *)self;
d6f61cd364d9 Issue #16488: epoll() objects now support the `with` statement.
Antoine Pitrou <solipsis@pitrou.net>
parents: 80163
diff changeset
1508 }
d6f61cd364d9 Issue #16488: epoll() objects now support the `with` statement.
Antoine Pitrou <solipsis@pitrou.net>
parents: 80163
diff changeset
1509
d6f61cd364d9 Issue #16488: epoll() objects now support the `with` statement.
Antoine Pitrou <solipsis@pitrou.net>
parents: 80163
diff changeset
1510 static PyObject *
d6f61cd364d9 Issue #16488: epoll() objects now support the `with` statement.
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1511 pyepoll_exit(PyObject *self, PyObject *args)
d6f61cd364d9 Issue #16488: epoll() objects now support the `with` statement.
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1512 {
d6f61cd364d9 Issue #16488: epoll() objects now support the `with` statement.
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1513 _Py_IDENTIFIER(close);
d6f61cd364d9 Issue #16488: epoll() objects now support the `with` statement.
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parents: 80163
diff changeset
1514
d6f61cd364d9 Issue #16488: epoll() objects now support the `with` statement.
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diff changeset
1515 return _PyObject_CallMethodId(self, &PyId_close, NULL);
d6f61cd364d9 Issue #16488: epoll() objects now support the `with` statement.
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1516 }
d6f61cd364d9 Issue #16488: epoll() objects now support the `with` statement.
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parents: 80163
diff changeset
1517
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1518 static PyMethodDef pyepoll_methods[] = {
61467
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diff changeset
1519 {"fromfd", (PyCFunction)pyepoll_fromfd,
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diff changeset
1520 METH_VARARGS | METH_CLASS, pyepoll_fromfd_doc},
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diff changeset
1521 {"close", (PyCFunction)pyepoll_close, METH_NOARGS,
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diff changeset
1522 pyepoll_close_doc},
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diff changeset
1523 {"fileno", (PyCFunction)pyepoll_fileno, METH_NOARGS,
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diff changeset
1524 pyepoll_fileno_doc},
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diff changeset
1525 {"modify", (PyCFunction)pyepoll_modify,
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diff changeset
1526 METH_VARARGS | METH_KEYWORDS, pyepoll_modify_doc},
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diff changeset
1527 {"register", (PyCFunction)pyepoll_register,
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diff changeset
1528 METH_VARARGS | METH_KEYWORDS, pyepoll_register_doc},
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diff changeset
1529 {"unregister", (PyCFunction)pyepoll_unregister,
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diff changeset
1530 METH_VARARGS | METH_KEYWORDS, pyepoll_unregister_doc},
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diff changeset
1531 {"poll", (PyCFunction)pyepoll_poll,
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diff changeset
1532 METH_VARARGS | METH_KEYWORDS, pyepoll_poll_doc},
80863
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1533 {"__enter__", (PyCFunction)pyepoll_enter, METH_NOARGS,
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1534 NULL},
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1535 {"__exit__", (PyCFunction)pyepoll_exit, METH_VARARGS,
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1536 NULL},
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1537 {NULL, NULL},
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1538 };
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1539
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1540 static PyGetSetDef pyepoll_getsetlist[] = {
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1541 {"closed", (getter)pyepoll_get_closed, NULL,
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1542 "True if the epoll handler is closed"},
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1543 {0},
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1544 };
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1545
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1546 PyDoc_STRVAR(pyepoll_doc,
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1547 "select.epoll(sizehint=-1, flags=0)\n\
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1548 \n\
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1549 Returns an epolling object\n\
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1550 \n\
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1551 sizehint must be a positive integer or -1 for the default size. The\n\
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1552 sizehint is used to optimize internal data structures. It doesn't limit\n\
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1553 the maximum number of monitored events.");
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1554
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1555 static PyTypeObject pyEpoll_Type = {
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1556 PyVarObject_HEAD_INIT(NULL, 0)
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1557 "select.epoll", /* tp_name */
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1558 sizeof(pyEpoll_Object), /* tp_basicsize */
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1559 0, /* tp_itemsize */
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1560 (destructor)pyepoll_dealloc, /* tp_dealloc */
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1561 0, /* tp_print */
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1562 0, /* tp_getattr */
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1563 0, /* tp_setattr */
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1564 0, /* tp_reserved */
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1565 0, /* tp_repr */
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1566 0, /* tp_as_number */
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1567 0, /* tp_as_sequence */
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1568 0, /* tp_as_mapping */
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1569 0, /* tp_hash */
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1570 0, /* tp_call */
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1571 0, /* tp_str */
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1572 PyObject_GenericGetAttr, /* tp_getattro */
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1573 0, /* tp_setattro */
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1574 0, /* tp_as_buffer */
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1575 Py_TPFLAGS_DEFAULT, /* tp_flags */
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1576 pyepoll_doc, /* tp_doc */
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1577 0, /* tp_traverse */
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1578 0, /* tp_clear */
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1579 0, /* tp_richcompare */
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1580 0, /* tp_weaklistoffset */
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1581 0, /* tp_iter */
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1582 0, /* tp_iternext */
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1583 pyepoll_methods, /* tp_methods */
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1584 0, /* tp_members */
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1585 pyepoll_getsetlist, /* tp_getset */
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1586 0, /* tp_base */
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1587 0, /* tp_dict */
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1588 0, /* tp_descr_get */
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1589 0, /* tp_descr_set */
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1590 0, /* tp_dictoffset */
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1591 0, /* tp_init */
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1592 0, /* tp_alloc */
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1593 pyepoll_new, /* tp_new */
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1594 0, /* tp_free */
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1595 };
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1596
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1597 #endif /* HAVE_EPOLL */
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1598
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1599 #ifdef HAVE_KQUEUE
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1600 /* **************************************************************************
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1601 * kqueue interface for BSD
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1602 *
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1603 * Copyright (c) 2000 Doug White, 2006 James Knight, 2007 Christian Heimes
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1604 * All rights reserved.
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1605 *
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1606 * Redistribution and use in source and binary forms, with or without
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1607 * modification, are permitted provided that the following conditions
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1608 * are met:
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1609 * 1. Redistributions of source code must retain the above copyright
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1610 * notice, this list of conditions and the following disclaimer.
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1611 * 2. Redistributions in binary form must reproduce the above copyright
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1612 * notice, this list of conditions and the following disclaimer in the
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1613 * documentation and/or other materials provided with the distribution.
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1614 *
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1615 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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1616 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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1617 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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1618 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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1619 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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1620 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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1621 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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1622 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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1623 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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1624 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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1625 * SUCH DAMAGE.
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1626 */
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1627
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1628 #ifdef HAVE_SYS_EVENT_H
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1629 #include <sys/event.h>
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1630 #endif
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1631
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1632 PyDoc_STRVAR(kqueue_event_doc,
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1633 "kevent(ident, filter=KQ_FILTER_READ, flags=KQ_EV_ADD, fflags=0, data=0, udata=0)\n\
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1634 \n\
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1635 This object is the equivalent of the struct kevent for the C API.\n\
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1636 \n\
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1637 See the kqueue manpage for more detailed information about the meaning\n\
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1638 of the arguments.\n\
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1639 \n\
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1640 One minor note: while you might hope that udata could store a\n\
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1641 reference to a python object, it cannot, because it is impossible to\n\
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1642 keep a proper reference count of the object once it's passed into the\n\
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1643 kernel. Therefore, I have restricted it to only storing an integer. I\n\
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1644 recommend ignoring it and simply using the 'ident' field to key off\n\
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1645 of. You could also set up a dictionary on the python side to store a\n\
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1646 udata->object mapping.");
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1647
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1648 typedef struct {
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1649 PyObject_HEAD
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1650 struct kevent e;
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1651 } kqueue_event_Object;
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1652
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1653 static PyTypeObject kqueue_event_Type;
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1654
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1655 #define kqueue_event_Check(op) (PyObject_TypeCheck((op), &kqueue_event_Type))
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1656
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1657 typedef struct {
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1658 PyObject_HEAD
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1659 SOCKET kqfd; /* kqueue control fd */
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1660 } kqueue_queue_Object;
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1661
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1662 static PyTypeObject kqueue_queue_Type;
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1663
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1664 #define kqueue_queue_Check(op) (PyObject_TypeCheck((op), &kqueue_queue_Type))
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1665
57113
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1666 #if (SIZEOF_UINTPTR_T != SIZEOF_VOID_P)
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1667 # error uintptr_t does not match void *!
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1668 #elif (SIZEOF_UINTPTR_T == SIZEOF_LONG_LONG)
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1669 # define T_UINTPTRT T_ULONGLONG
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1670 # define T_INTPTRT T_LONGLONG
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1671 # define PyLong_AsUintptr_t PyLong_AsUnsignedLongLong
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1672 # define UINTPTRT_FMT_UNIT "K"
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1673 # define INTPTRT_FMT_UNIT "L"
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1674 #elif (SIZEOF_UINTPTR_T == SIZEOF_LONG)
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1675 # define T_UINTPTRT T_ULONG
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1676 # define T_INTPTRT T_LONG
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1677 # define PyLong_AsUintptr_t PyLong_AsUnsignedLong
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1678 # define UINTPTRT_FMT_UNIT "k"
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1679 # define INTPTRT_FMT_UNIT "l"
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1680 #elif (SIZEOF_UINTPTR_T == SIZEOF_INT)
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1681 # define T_UINTPTRT T_UINT
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1682 # define T_INTPTRT T_INT
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1683 # define PyLong_AsUintptr_t PyLong_AsUnsignedLong
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1684 # define UINTPTRT_FMT_UNIT "I"
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1685 # define INTPTRT_FMT_UNIT "i"
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1686 #else
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1687 # error uintptr_t does not match int, long, or long long!
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1688 #endif
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1689
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1690 /*
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1691 * kevent is not standard and its members vary across BSDs.
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1692 */
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1693 #if !defined(__OpenBSD__)
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1694 # define IDENT_TYPE T_UINTPTRT
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1695 # define IDENT_CAST Py_intptr_t
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1696 # define DATA_TYPE T_INTPTRT
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1697 # define DATA_FMT_UNIT INTPTRT_FMT_UNIT
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1698 # define IDENT_AsType PyLong_AsUintptr_t
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1699 #else
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1700 # define IDENT_TYPE T_UINT
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1701 # define IDENT_CAST int
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1702 # define DATA_TYPE T_INT
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1703 # define DATA_FMT_UNIT "i"
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1704 # define IDENT_AsType PyLong_AsUnsignedLong
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1705 #endif
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1706
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1707 /* Unfortunately, we can't store python objects in udata, because
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1708 * kevents in the kernel can be removed without warning, which would
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1709 * forever lose the refcount on the object stored with it.
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1710 */
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1711
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1712 #define KQ_OFF(x) offsetof(kqueue_event_Object, x)
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1713 static struct PyMemberDef kqueue_event_members[] = {
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1714 {"ident", IDENT_TYPE, KQ_OFF(e.ident)},
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1715 {"filter", T_SHORT, KQ_OFF(e.filter)},
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1716 {"flags", T_USHORT, KQ_OFF(e.flags)},
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1717 {"fflags", T_UINT, KQ_OFF(e.fflags)},
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1718 {"data", DATA_TYPE, KQ_OFF(e.data)},
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1719 {"udata", T_UINTPTRT, KQ_OFF(e.udata)},
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1720 {NULL} /* Sentinel */
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1721 };
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1722 #undef KQ_OFF
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1723
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1724 static PyObject *
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1725
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1726 kqueue_event_repr(kqueue_event_Object *s)
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1727 {
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1728 char buf[1024];
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1729 PyOS_snprintf(
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1730 buf, sizeof(buf),
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1731 "<select.kevent ident=%zu filter=%d flags=0x%x fflags=0x%x "
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1732 "data=0x%zd udata=%p>",
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1733 (size_t)(s->e.ident), s->e.filter, s->e.flags,
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1734 s->e.fflags, (Py_ssize_t)(s->e.data), s->e.udata);
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1735 return PyUnicode_FromString(buf);
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1736 }
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1737
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1738 static int
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1739 kqueue_event_init(kqueue_event_Object *self, PyObject *args, PyObject *kwds)
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1740 {
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1741 PyObject *pfd;
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1742 static char *kwlist[] = {"ident", "filter", "flags", "fflags",
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1743 "data", "udata", NULL};
85382
d5334d8907dc Issue #11973: Fix a problem in kevent. The flags and fflags fields are now
Christian Heimes <christian@cheimes.de>
parents: 85281
diff changeset
1744 static char *fmt = "O|hHI" DATA_FMT_UNIT UINTPTRT_FMT_UNIT ":kevent";
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1745
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1746 EV_SET(&(self->e), 0, EVFILT_READ, EV_ADD, 0, 0, 0); /* defaults */
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1747
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1748 if (!PyArg_ParseTupleAndKeywords(args, kwds, fmt, kwlist,
61467
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1749 &pfd, &(self->e.filter), &(self->e.flags),
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1750 &(self->e.fflags), &(self->e.data), &(self->e.udata))) {
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1751 return -1;
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1752 }
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1753
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Charles-Francois Natali <cf.natali@gmail.com>
parents: 81593
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1754 if (PyLong_Check(pfd)
f6c50b437de6 Issue #12181: select module: Fix struct kevent definition on OpenBSD 64-bit
Charles-Francois Natali <cf.natali@gmail.com>
parents: 81593
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1755 #if IDENT_TYPE == T_UINT
f6c50b437de6 Issue #12181: select module: Fix struct kevent definition on OpenBSD 64-bit
Charles-Francois Natali <cf.natali@gmail.com>
parents: 81593
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1756 && PyLong_AsUnsignedLong(pfd) <= UINT_MAX
f6c50b437de6 Issue #12181: select module: Fix struct kevent definition on OpenBSD 64-bit
Charles-Francois Natali <cf.natali@gmail.com>
parents: 81593
diff changeset
1757 #endif
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Charles-Francois Natali <cf.natali@gmail.com>
parents: 81593
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1758 ) {
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1759 self->e.ident = IDENT_AsType(pfd);
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1760 }
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1761 else {
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1762 self->e.ident = PyObject_AsFileDescriptor(pfd);
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1763 }
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1764 if (PyErr_Occurred()) {
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1765 return -1;
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1766 }
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1767 return 0;
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1768 }
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1769
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diff changeset
1770 static PyObject *
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1771 kqueue_event_richcompare(kqueue_event_Object *s, kqueue_event_Object *o,
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1772 int op)
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1773 {
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1774 Py_intptr_t result = 0;
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1775
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1776 if (!kqueue_event_Check(o)) {
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1777 if (op == Py_EQ || op == Py_NE) {
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1778 PyObject *res = op == Py_EQ ? Py_False : Py_True;
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1779 Py_INCREF(res);
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1780 return res;
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1781 }
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1782 PyErr_Format(PyExc_TypeError,
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1783 "can't compare %.200s to %.200s",
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1784 Py_TYPE(s)->tp_name, Py_TYPE(o)->tp_name);
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1785 return NULL;
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1786 }
83652
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1787 if (((result = (IDENT_CAST)(s->e.ident - o->e.ident)) == 0) &&
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1788 ((result = s->e.filter - o->e.filter) == 0) &&
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diff changeset
1789 ((result = s->e.flags - o->e.flags) == 0) &&
83652
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1790 ((result = (int)(s->e.fflags - o->e.fflags)) == 0) &&
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1791 ((result = s->e.data - o->e.data) == 0) &&
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1792 ((result = s->e.udata - o->e.udata) == 0)
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1793 ) {
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1794 result = 0;
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1795 }
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1796
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1797 switch (op) {
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1798 case Py_EQ:
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1799 result = (result == 0);
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1800 break;
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1801 case Py_NE:
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1802 result = (result != 0);
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1803 break;
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1804 case Py_LE:
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1805 result = (result <= 0);
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1806 break;
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1807 case Py_GE:
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1808 result = (result >= 0);
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1809 break;
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1810 case Py_LT:
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1811 result = (result < 0);
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1812 break;
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1813 case Py_GT:
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1814 result = (result > 0);
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1815 break;
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1816 }
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1817 return PyBool_FromLong((long)result);
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1818 }
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1819
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1820 static PyTypeObject kqueue_event_Type = {
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1821 PyVarObject_HEAD_INIT(NULL, 0)
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1822 "select.kevent", /* tp_name */
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1823 sizeof(kqueue_event_Object), /* tp_basicsize */
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1824 0, /* tp_itemsize */
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1825 0, /* tp_dealloc */
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1826 0, /* tp_print */
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1827 0, /* tp_getattr */
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1828 0, /* tp_setattr */
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1829 0, /* tp_reserved */
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1830 (reprfunc)kqueue_event_repr, /* tp_repr */
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1831 0, /* tp_as_number */
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1832 0, /* tp_as_sequence */
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1833 0, /* tp_as_mapping */
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1834 0, /* tp_hash */
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1835 0, /* tp_call */
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1836 0, /* tp_str */
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1837 0, /* tp_getattro */
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1838 0, /* tp_setattro */
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1839 0, /* tp_as_buffer */
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1840 Py_TPFLAGS_DEFAULT, /* tp_flags */
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1841 kqueue_event_doc, /* tp_doc */
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1842 0, /* tp_traverse */
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1843 0, /* tp_clear */
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1844 (richcmpfunc)kqueue_event_richcompare, /* tp_richcompare */
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1845 0, /* tp_weaklistoffset */
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1846 0, /* tp_iter */
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1847 0, /* tp_iternext */
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1848 0, /* tp_methods */
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1849 kqueue_event_members, /* tp_members */
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1850 0, /* tp_getset */
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1851 0, /* tp_base */
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1852 0, /* tp_dict */
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1853 0, /* tp_descr_get */
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1854 0, /* tp_descr_set */
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1855 0, /* tp_dictoffset */
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1856 (initproc)kqueue_event_init, /* tp_init */
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1857 0, /* tp_alloc */
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1858 0, /* tp_new */
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1859 0, /* tp_free */
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1860 };
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1861
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1862 static PyObject *
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1863 kqueue_queue_err_closed(void)
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1864 {
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1865 PyErr_SetString(PyExc_ValueError, "I/O operation on closed kqueue object");
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1866 return NULL;
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1867 }
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1868
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1869 static int
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1870 kqueue_queue_internal_close(kqueue_queue_Object *self)
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1871 {
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1872 int save_errno = 0;
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1873 if (self->kqfd >= 0) {
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1874 int kqfd = self->kqfd;
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1875 self->kqfd = -1;
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1876 Py_BEGIN_ALLOW_THREADS
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1877 if (close(kqfd) < 0)
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1878 save_errno = errno;
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1879 Py_END_ALLOW_THREADS
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1880 }
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1881 return save_errno;
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1882 }
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1883
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1884 static PyObject *
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1885 newKqueue_Object(PyTypeObject *type, SOCKET fd)
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1886 {
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1887 kqueue_queue_Object *self;
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1888 assert(type != NULL && type->tp_alloc != NULL);
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1889 self = (kqueue_queue_Object *) type->tp_alloc(type, 0);
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1890 if (self == NULL) {
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1891 return NULL;
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1892 }
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1893
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1894 if (fd == -1) {
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1895 Py_BEGIN_ALLOW_THREADS
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1896 self->kqfd = kqueue();
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1897 Py_END_ALLOW_THREADS
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1898 }
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1899 else {
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1900 self->kqfd = fd;
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1901 }
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1902 if (self->kqfd < 0) {
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1903 Py_DECREF(self);
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1904 PyErr_SetFromErrno(PyExc_OSError);
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1905 return NULL;
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1906 }
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1907
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1908 if (fd == -1) {
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1909 if (_Py_set_inheritable(self->kqfd, 0, NULL) < 0) {
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1910 Py_DECREF(self);
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1911 return NULL;
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1912 }
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1913 }
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1914 return (PyObject *)self;
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1915 }
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1916
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1917 static PyObject *
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1918 kqueue_queue_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
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1919 {
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1920 if ((args != NULL && PyObject_Size(args)) ||
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1921 (kwds != NULL && PyObject_Size(kwds))) {
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1922 PyErr_SetString(PyExc_ValueError,
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1923 "select.kqueue doesn't accept arguments");
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1924 return NULL;
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1925 }
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1926
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1927 return newKqueue_Object(type, -1);
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1928 }
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1929
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1930 static void
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1931 kqueue_queue_dealloc(kqueue_queue_Object *self)
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1932 {
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1933 kqueue_queue_internal_close(self);
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1934 Py_TYPE(self)->tp_free(self);
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1935 }
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1936
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1937 static PyObject*
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1938 kqueue_queue_close(kqueue_queue_Object *self)
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1939 {
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1940 errno = kqueue_queue_internal_close(self);
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1941 if (errno < 0) {
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1942 PyErr_SetFromErrno(PyExc_OSError);
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1943 return NULL;
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1944 }
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1945 Py_RETURN_NONE;
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1946 }
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1947
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1948 PyDoc_STRVAR(kqueue_queue_close_doc,
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1949 "close() -> None\n\
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1950 \n\
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1951 Close the kqueue control file descriptor. Further operations on the kqueue\n\
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1952 object will raise an exception.");
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1953
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1954 static PyObject*
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1955 kqueue_queue_get_closed(kqueue_queue_Object *self)
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1956 {
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1957 if (self->kqfd < 0)
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1958 Py_RETURN_TRUE;
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1959 else
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1960 Py_RETURN_FALSE;
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diff changeset
1961 }
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diff changeset
1962
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parents: 44469
diff changeset
1963 static PyObject*
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diff changeset
1964 kqueue_queue_fileno(kqueue_queue_Object *self)
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parents: 44469
diff changeset
1965 {
61467
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1966 if (self->kqfd < 0)
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diff changeset
1967 return kqueue_queue_err_closed();
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diff changeset
1968 return PyLong_FromLong(self->kqfd);
45996
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parents: 44469
diff changeset
1969 }
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
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parents: 44469
diff changeset
1970
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
1971 PyDoc_STRVAR(kqueue_queue_fileno_doc,
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
1972 "fileno() -> int\n\
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
1973 \n\
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
1974 Return the kqueue control file descriptor.");
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
1975
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
1976 static PyObject*
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
1977 kqueue_queue_fromfd(PyObject *cls, PyObject *args)
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parents: 44469
diff changeset
1978 {
61467
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diff changeset
1979 SOCKET fd;
45996
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diff changeset
1980
61467
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diff changeset
1981 if (!PyArg_ParseTuple(args, "i:fromfd", &fd))
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diff changeset
1982 return NULL;
45996
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Christian Heimes <christian@cheimes.de>
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diff changeset
1983
61467
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1984 return newKqueue_Object((PyTypeObject*)cls, fd);
45996
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parents: 44469
diff changeset
1985 }
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
1986
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
1987 PyDoc_STRVAR(kqueue_queue_fromfd_doc,
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
1988 "fromfd(fd) -> kqueue\n\
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
1989 \n\
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
1990 Create a kqueue object from a given control fd.");
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
1991
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
1992 static PyObject *
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
1993 kqueue_queue_control(kqueue_queue_Object *self, PyObject *args)
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
1994 {
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1995 int nevents = 0;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
1996 int gotevents = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
1997 int nchanges = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
1998 int i = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
1999 PyObject *otimeout = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2000 PyObject *ch = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2001 PyObject *it = NULL, *ei = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2002 PyObject *result = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2003 struct kevent *evl = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2004 struct kevent *chl = NULL;
75592
1eaf6e899f02 Issue #14180: Fix select.select() compilation on BSD and a typo in kqueue_queue_control()
Victor Stinner <vstinner@wyplay.com>
parents: 75590
diff changeset
2005 struct timespec timeout;
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2006 struct timespec *ptimeoutspec;
45996
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
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parents: 44469
diff changeset
2007
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2008 if (self->kqfd < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2009 return kqueue_queue_err_closed();
45996
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2010
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2011 if (!PyArg_ParseTuple(args, "Oi|O:control", &ch, &nevents, &otimeout))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2012 return NULL;
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2013
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2014 if (nevents < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2015 PyErr_Format(PyExc_ValueError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2016 "Length of eventlist must be 0 or positive, got %d",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2017 nevents);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2018 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2019 }
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2020
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2021 if (otimeout == Py_None || otimeout == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2022 ptimeoutspec = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2023 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2024 else if (PyNumber_Check(otimeout)) {
75590
1e9cc1a03365 Close #14180: Factorize code to convert a number of seconds to time_t, timeval or timespec
Victor Stinner <vstinner@wyplay.com>
parents: 74188
diff changeset
2025 if (_PyTime_ObjectToTimespec(otimeout,
1e9cc1a03365 Close #14180: Factorize code to convert a number of seconds to time_t, timeval or timespec
Victor Stinner <vstinner@wyplay.com>
parents: 74188
diff changeset
2026 &timeout.tv_sec, &timeout.tv_nsec) == -1)
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2027 return NULL;
75590
1e9cc1a03365 Close #14180: Factorize code to convert a number of seconds to time_t, timeval or timespec
Victor Stinner <vstinner@wyplay.com>
parents: 74188
diff changeset
2028
1e9cc1a03365 Close #14180: Factorize code to convert a number of seconds to time_t, timeval or timespec
Victor Stinner <vstinner@wyplay.com>
parents: 74188
diff changeset
2029 if (timeout.tv_sec < 0) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2030 PyErr_SetString(PyExc_ValueError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2031 "timeout must be positive or None");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2032 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2033 }
75593
cb1c877a27f2 Issue #14180: Fix another typo in kqueue_queue_control()
Victor Stinner <vstinner@wyplay.com>
parents: 75592
diff changeset
2034 ptimeoutspec = &timeout;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2035 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2036 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2037 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2038 "timeout argument must be an number "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2039 "or None, got %.200s",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2040 Py_TYPE(otimeout)->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2041 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2042 }
45996
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2043
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60423
diff changeset
2044 if (ch != NULL && ch != Py_None) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60423
diff changeset
2045 it = PyObject_GetIter(ch);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60423
diff changeset
2046 if (it == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60423
diff changeset
2047 PyErr_SetString(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60423
diff changeset
2048 "changelist is not iterable");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60423
diff changeset
2049 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60423
diff changeset
2050 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60423
diff changeset
2051 nchanges = PyObject_Size(ch);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60423
diff changeset
2052 if (nchanges < 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60423
diff changeset
2053 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60423
diff changeset
2054 }
59616
9cf702c91a9e Merged revisions 78101,78115,78117,78182,78188,78245,78386,78496 via svnmerge from
Georg Brandl <georg@python.org>
parents: 58022
diff changeset
2055
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2056 chl = PyMem_New(struct kevent, nchanges);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2057 if (chl == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2058 PyErr_NoMemory();
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60423
diff changeset
2059 goto error;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2060 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2061 i = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2062 while ((ei = PyIter_Next(it)) != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2063 if (!kqueue_event_Check(ei)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2064 Py_DECREF(ei);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2065 PyErr_SetString(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2066 "changelist must be an iterable of "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2067 "select.kevent objects");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2068 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2069 } else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2070 chl[i++] = ((kqueue_event_Object *)ei)->e;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2071 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2072 Py_DECREF(ei);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2073 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2074 }
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2075 Py_CLEAR(it);
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diff changeset
2076
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2077 /* event list */
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2078 if (nevents) {
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2079 evl = PyMem_New(struct kevent, nevents);
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diff changeset
2080 if (evl == NULL) {
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2081 PyErr_NoMemory();
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2082 goto error;
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2083 }
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2084 }
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diff changeset
2085
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2086 Py_BEGIN_ALLOW_THREADS
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2087 gotevents = kevent(self->kqfd, chl, nchanges,
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2088 evl, nevents, ptimeoutspec);
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2089 Py_END_ALLOW_THREADS
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2090
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2091 if (gotevents == -1) {
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2092 PyErr_SetFromErrno(PyExc_OSError);
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2093 goto error;
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2094 }
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2095
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2096 result = PyList_New(gotevents);
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2097 if (result == NULL) {
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2098 goto error;
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2099 }
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2100
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2101 for (i = 0; i < gotevents; i++) {
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2102 kqueue_event_Object *ch;
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diff changeset
2103
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2104 ch = PyObject_New(kqueue_event_Object, &kqueue_event_Type);
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2105 if (ch == NULL) {
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2106 goto error;
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diff changeset
2107 }
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2108 ch->e = evl[i];
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2109 PyList_SET_ITEM(result, i, (PyObject *)ch);
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2110 }
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2111 PyMem_Free(chl);
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2112 PyMem_Free(evl);
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2113 return result;
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diff changeset
2114
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2115 error:
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2116 PyMem_Free(chl);
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2117 PyMem_Free(evl);
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2118 Py_XDECREF(result);
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diff changeset
2119 Py_XDECREF(it);
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2120 return NULL;
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2121 }
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diff changeset
2122
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diff changeset
2123 PyDoc_STRVAR(kqueue_queue_control_doc,
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diff changeset
2124 "control(changelist, max_events[, timeout=None]) -> eventlist\n\
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2125 \n\
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2126 Calls the kernel kevent function.\n\
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2127 - changelist must be a list of kevent objects describing the changes\n\
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2128 to be made to the kernel's watch list or None.\n\
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2129 - max_events lets you specify the maximum number of events that the\n\
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2130 kernel will return.\n\
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2131 - timeout is the maximum time to wait in seconds, or else None,\n\
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diff changeset
2132 to wait forever. timeout accepts floats for smaller timeouts, too.");
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diff changeset
2133
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2134
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diff changeset
2135 static PyMethodDef kqueue_queue_methods[] = {
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2136 {"fromfd", (PyCFunction)kqueue_queue_fromfd,
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diff changeset
2137 METH_VARARGS | METH_CLASS, kqueue_queue_fromfd_doc},
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diff changeset
2138 {"close", (PyCFunction)kqueue_queue_close, METH_NOARGS,
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diff changeset
2139 kqueue_queue_close_doc},
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diff changeset
2140 {"fileno", (PyCFunction)kqueue_queue_fileno, METH_NOARGS,
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diff changeset
2141 kqueue_queue_fileno_doc},
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2142 {"control", (PyCFunction)kqueue_queue_control,
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2143 METH_VARARGS , kqueue_queue_control_doc},
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diff changeset
2144 {NULL, NULL},
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diff changeset
2145 };
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diff changeset
2146
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diff changeset
2147 static PyGetSetDef kqueue_queue_getsetlist[] = {
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2148 {"closed", (getter)kqueue_queue_get_closed, NULL,
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diff changeset
2149 "True if the kqueue handler is closed"},
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diff changeset
2150 {0},
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diff changeset
2151 };
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diff changeset
2152
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diff changeset
2153 PyDoc_STRVAR(kqueue_queue_doc,
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diff changeset
2154 "Kqueue syscall wrapper.\n\
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diff changeset
2155 \n\
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diff changeset
2156 For example, to start watching a socket for input:\n\
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diff changeset
2157 >>> kq = kqueue()\n\
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diff changeset
2158 >>> sock = socket()\n\
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diff changeset
2159 >>> sock.connect((host, port))\n\
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diff changeset
2160 >>> kq.control([kevent(sock, KQ_FILTER_WRITE, KQ_EV_ADD)], 0)\n\
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diff changeset
2161 \n\
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diff changeset
2162 To wait one second for it to become writeable:\n\
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2163 >>> kq.control(None, 1, 1000)\n\
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2164 \n\
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diff changeset
2165 To stop listening:\n\
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2166 >>> kq.control([kevent(sock, KQ_FILTER_WRITE, KQ_EV_DELETE)], 0)");
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2167
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diff changeset
2168 static PyTypeObject kqueue_queue_Type = {
61467
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2169 PyVarObject_HEAD_INIT(NULL, 0)
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2170 "select.kqueue", /* tp_name */
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2171 sizeof(kqueue_queue_Object), /* tp_basicsize */
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2172 0, /* tp_itemsize */
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2173 (destructor)kqueue_queue_dealloc, /* tp_dealloc */
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2174 0, /* tp_print */
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2175 0, /* tp_getattr */
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2176 0, /* tp_setattr */
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2177 0, /* tp_reserved */
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2178 0, /* tp_repr */
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diff changeset
2179 0, /* tp_as_number */
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diff changeset
2180 0, /* tp_as_sequence */
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parents: 60425
diff changeset
2181 0, /* tp_as_mapping */
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parents: 60425
diff changeset
2182 0, /* tp_hash */
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parents: 60425
diff changeset
2183 0, /* tp_call */
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parents: 60425
diff changeset
2184 0, /* tp_str */
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parents: 60425
diff changeset
2185 0, /* tp_getattro */
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parents: 60425
diff changeset
2186 0, /* tp_setattro */
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parents: 60425
diff changeset
2187 0, /* tp_as_buffer */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2188 Py_TPFLAGS_DEFAULT, /* tp_flags */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2189 kqueue_queue_doc, /* tp_doc */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2190 0, /* tp_traverse */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2191 0, /* tp_clear */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2192 0, /* tp_richcompare */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2193 0, /* tp_weaklistoffset */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2194 0, /* tp_iter */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2195 0, /* tp_iternext */
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parents: 60425
diff changeset
2196 kqueue_queue_methods, /* tp_methods */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2197 0, /* tp_members */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2198 kqueue_queue_getsetlist, /* tp_getset */
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diff changeset
2199 0, /* tp_base */
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diff changeset
2200 0, /* tp_dict */
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2201 0, /* tp_descr_get */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2202 0, /* tp_descr_set */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2203 0, /* tp_dictoffset */
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diff changeset
2204 0, /* tp_init */
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diff changeset
2205 0, /* tp_alloc */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2206 kqueue_queue_new, /* tp_new */
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2207 0, /* tp_free */
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2208 };
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parents: 44469
diff changeset
2209
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2210 #endif /* HAVE_KQUEUE */
73549
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2211
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2212
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2213
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2214
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2215
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2216 /* ************************************************************************ */
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2217
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23607
diff changeset
2218 PyDoc_STRVAR(select_doc,
8570
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2219 "select(rlist, wlist, xlist[, timeout]) -> (rlist, wlist, xlist)\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2220 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2221 Wait until one or more file descriptors are ready for some kind of I/O.\n\
30402
a430be683a7a select.select() now accepts a sequence (as defined by PySequence_Fast()) for
Brett Cannon <bcannon@gmail.com>
parents: 27815
diff changeset
2222 The first three arguments are sequences of file descriptors to be waited for:\n\
8570
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2223 rlist -- wait until ready for reading\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2224 wlist -- wait until ready for writing\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2225 xlist -- wait for an ``exceptional condition''\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2226 If only one kind of condition is required, pass [] for the other lists.\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2227 A file descriptor is either a socket or file object, or a small integer\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2228 gotten from a fileno() method call on one of those.\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2229 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2230 The optional 4th argument specifies a timeout in seconds; it may be\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2231 a floating point number to specify fractions of seconds. If it is absent\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2232 or None, the call will never time out.\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2233 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2234 The return value is a tuple of three lists corresponding to the first three\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2235 arguments; each contains the subset of the corresponding file descriptors\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2236 that are ready.\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2237 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2238 *** IMPORTANT NOTICE ***\n\
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parents: 44469
diff changeset
2239 On Windows and OpenVMS, only sockets are supported; on Unix, all file\n\
46115
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Christian Heimes <christian@cheimes.de>
parents: 45996
diff changeset
2240 descriptors can be used.");
8570
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Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2241
4692
cb405b9696d4 Several changes... Guido *please* take a look!
Barry Warsaw <barry@python.org>
parents: 4621
diff changeset
2242 static PyMethodDef select_methods[] = {
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2243 {"select", select_select, METH_VARARGS, select_doc},
81592
101e821e5e70 Issue #16953: Fix socket module compilation on platforms with HAVE_BROKEN_POLL.
Charles-François Natali <cf.natali@gmail.com>
parents: 81587
diff changeset
2244 #if defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)
61467
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diff changeset
2245 {"poll", select_poll, METH_NOARGS, poll_doc},
37935
e3a8a8de355e Patch 1471761 - test for broken poll at runtime
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 36501
diff changeset
2246 #endif /* HAVE_POLL */
73549
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2247 #ifdef HAVE_SYS_DEVPOLL_H
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2248 {"devpoll", select_devpoll, METH_NOARGS, devpoll_doc},
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2249 #endif
61467
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parents: 60425
diff changeset
2250 {0, 0}, /* sentinel */
902
a4793ae26682 Changes for new UNIX-specific built-in module 'select' and new header for
Guido van Rossum <guido@python.org>
parents:
diff changeset
2251 };
a4793ae26682 Changes for new UNIX-specific built-in module 'select' and new header for
Guido van Rossum <guido@python.org>
parents:
diff changeset
2252
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23607
diff changeset
2253 PyDoc_STRVAR(module_doc,
8570
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2254 "This module supports asynchronous I/O on multiple file descriptors.\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2255 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2256 *** IMPORTANT NOTICE ***\n\
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38489
diff changeset
2257 On Windows and OpenVMS, only sockets are supported; on Unix, all file descriptors.");
902
a4793ae26682 Changes for new UNIX-specific built-in module 'select' and new header for
Guido van Rossum <guido@python.org>
parents:
diff changeset
2258
47580
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2259
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2260 static struct PyModuleDef selectmodule = {
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2261 PyModuleDef_HEAD_INIT,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2262 "select",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2263 module_doc,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2264 -1,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2265 select_methods,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2266 NULL,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2267 NULL,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2268 NULL,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2269 NULL
47580
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2270 };
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2271
73549
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2272
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2273
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2274
24363
979ff5d0ae07 Replace DL_IMPORT with PyMODINIT_FUNC and remove "/export:init..." link
Mark Hammond <mhammond@skippinet.com.au>
parents: 24283
diff changeset
2275 PyMODINIT_FUNC
47580
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2276 PyInit_select(void)
902
a4793ae26682 Changes for new UNIX-specific built-in module 'select' and new header for
Guido van Rossum <guido@python.org>
parents:
diff changeset
2277 {
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2278 PyObject *m;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2279 m = PyModule_Create(&selectmodule);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2280 if (m == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2281 return NULL;
22729
cdff3c7c1a76 Use the PyModule_Add*() APIs instead of manipulating the module dict
Fred Drake <fdrake@acm.org>
parents: 22114
diff changeset
2282
72879
41a1de81ef2b PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72116
diff changeset
2283 Py_INCREF(PyExc_OSError);
41a1de81ef2b PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72116
diff changeset
2284 PyModule_AddObject(m, "error", PyExc_OSError);
37935
e3a8a8de355e Patch 1471761 - test for broken poll at runtime
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 36501
diff changeset
2285
55179
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Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 55099
diff changeset
2286 #ifdef PIPE_BUF
65384
3c4225bf87b4 #9862: On AIX PIPE_BUF is broken. Make it 512.
R. David Murray <rdmurray@bitdance.com>
parents: 63589
diff changeset
2287 #ifdef HAVE_BROKEN_PIPE_BUF
3c4225bf87b4 #9862: On AIX PIPE_BUF is broken. Make it 512.
R. David Murray <rdmurray@bitdance.com>
parents: 63589
diff changeset
2288 #undef PIPE_BUF
3c4225bf87b4 #9862: On AIX PIPE_BUF is broken. Make it 512.
R. David Murray <rdmurray@bitdance.com>
parents: 63589
diff changeset
2289 #define PIPE_BUF 512
3c4225bf87b4 #9862: On AIX PIPE_BUF is broken. Make it 512.
R. David Murray <rdmurray@bitdance.com>
parents: 63589
diff changeset
2290 #endif
83867
12cbb5183d98 Issue #17917: Use PyModule_AddIntMacro() instead of PyModule_AddIntConstant()
Charles-Francois Natali <cf.natali@gmail.com>
parents: 83653
diff changeset
2291 PyModule_AddIntMacro(m, PIPE_BUF);
55179
e89faaafa3ee Merged revisions 73916 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 55099
diff changeset
2292 #endif
55099
06b360a33d57 Merged revisions 73818 via svnmerge from
Gregory P. Smith <greg@mad-scientist.com>
parents: 51271
diff changeset
2293
81592
101e821e5e70 Issue #16953: Fix socket module compilation on platforms with HAVE_BROKEN_POLL.
Charles-François Natali <cf.natali@gmail.com>
parents: 81587
diff changeset
2294 #if defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)
37935
e3a8a8de355e Patch 1471761 - test for broken poll at runtime
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 36501
diff changeset
2295 #ifdef __APPLE__
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2296 if (select_have_broken_poll()) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2297 if (PyObject_DelAttrString(m, "poll") == -1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2298 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
2299 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2300 } else {
37935
e3a8a8de355e Patch 1471761 - test for broken poll at runtime
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 36501
diff changeset
2301 #else
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2302 {
37935
e3a8a8de355e Patch 1471761 - test for broken poll at runtime
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 36501
diff changeset
2303 #endif
61467
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2304 if (PyType_Ready(&poll_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2305 return NULL;
83867
12cbb5183d98 Issue #17917: Use PyModule_AddIntMacro() instead of PyModule_AddIntConstant()
Charles-Francois Natali <cf.natali@gmail.com>
parents: 83653
diff changeset
2306 PyModule_AddIntMacro(m, POLLIN);
12cbb5183d98 Issue #17917: Use PyModule_AddIntMacro() instead of PyModule_AddIntConstant()
Charles-Francois Natali <cf.natali@gmail.com>
parents: 83653
diff changeset
2307 PyModule_AddIntMacro(m, POLLPRI);
12cbb5183d98 Issue #17917: Use PyModule_AddIntMacro() instead of PyModule_AddIntConstant()
Charles-Francois Natali <cf.natali@gmail.com>
parents: 83653
diff changeset
2308 PyModule_AddIntMacro(m, POLLOUT);
12cbb5183d98 Issue #17917: Use PyModule_AddIntMacro() instead of PyModule_AddIntConstant()
Charles-Francois Natali <cf.natali@gmail.com>
parents: 83653
diff changeset
2309 PyModule_AddIntMacro(m, POLLERR);
12cbb5183d98 Issue #17917: Use PyModule_AddIntMacro() instead of PyModule_AddIntConstant()
Charles-Francois Natali <cf.natali@gmail.com>
parents: 83653
diff changeset
2310 PyModule_AddIntMacro(m, POLLHUP);
12cbb5183d98 Issue #17917: Use PyModule_AddIntMacro() instead of PyModule_AddIntConstant()
Charles-Francois Natali <cf.natali@gmail.com>
parents: 83653
diff changeset
2311 PyModule_AddIntMacro(m, POLLNVAL);
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
2312
14918
914ae7f9c64c Add #ifdef's for platforms that don't have the constants POLLRDNORM and
Andrew M. Kuchling <amk@amk.ca>
parents: 14869
diff changeset
2313 #ifdef POLLRDNORM
83867
12cbb5183d98 Issue #17917: Use PyModule_AddIntMacro() instead of PyModule_AddIntConstant()
Charles-Francois Natali <cf.natali@gmail.com>
parents: 83653
diff changeset
2314 PyModule_AddIntMacro(m, POLLRDNORM);
14918
914ae7f9c64c Add #ifdef's for platforms that don't have the constants POLLRDNORM and
Andrew M. Kuchling <amk@amk.ca>
parents: 14869
diff changeset
2315 #endif
914ae7f9c64c Add #ifdef's for platforms that don't have the constants POLLRDNORM and
Andrew M. Kuchling <amk@amk.ca>
parents: 14869
diff changeset
2316 #ifdef POLLRDBAND
83867
12cbb5183d98 Issue #17917: Use PyModule_AddIntMacro() instead of PyModule_AddIntConstant()
Charles-Francois Natali <cf.natali@gmail.com>
parents: 83653
diff changeset
2317 PyModule_AddIntMacro(m, POLLRDBAND);
14918
914ae7f9c64c Add #ifdef's for platforms that don't have the constants POLLRDNORM and
Andrew M. Kuchling <amk@amk.ca>
parents: 14869
diff changeset
2318 #endif
914ae7f9c64c Add #ifdef's for platforms that don't have the constants POLLRDNORM and
Andrew M. Kuchling <amk@amk.ca>
parents: 14869
diff changeset
2319 #ifdef POLLWRNORM
83867
12cbb5183d98 Issue #17917: Use PyModule_AddIntMacro() instead of PyModule_AddIntConstant()
Charles-Francois Natali <cf.natali@gmail.com>
parents: 83653
diff changeset
2320 PyModule_AddIntMacro(m, POLLWRNORM);
14918
914ae7f9c64c Add #ifdef's for platforms that don't have the constants POLLRDNORM and
Andrew M. Kuchling <amk@amk.ca>
parents: 14869
diff changeset
2321 #endif
914ae7f9c64c Add #ifdef's for platforms that don't have the constants POLLRDNORM and
Andrew M. Kuchling <amk@amk.ca>
parents: 14869
diff changeset
2322 #ifdef POLLWRBAND
83867
12cbb5183d98 Issue #17917: Use PyModule_AddIntMacro() instead of PyModule_AddIntConstant()
Charles-Francois Natali <cf.natali@gmail.com>
parents: 83653
diff changeset
2323 PyModule_AddIntMacro(m, POLLWRBAND);
14918
914ae7f9c64c Add #ifdef's for platforms that don't have the constants POLLRDNORM and
Andrew M. Kuchling <amk@amk.ca>
parents: 14869
diff changeset
2324 #endif
14182
c85a80db6845 Not every OS that support poll seems to support POLLMSG.
Sjoerd Mullender <sjoerd@acm.org>
parents: 14174
diff changeset
2325 #ifdef POLLMSG
83867
12cbb5183d98 Issue #17917: Use PyModule_AddIntMacro() instead of PyModule_AddIntConstant()
Charles-Francois Natali <cf.natali@gmail.com>
parents: 83653
diff changeset
2326 PyModule_AddIntMacro(m, POLLMSG);
14182
c85a80db6845 Not every OS that support poll seems to support POLLMSG.
Sjoerd Mullender <sjoerd@acm.org>
parents: 14174
diff changeset
2327 #endif
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2328 }
37935
e3a8a8de355e Patch 1471761 - test for broken poll at runtime
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 36501
diff changeset
2329 #endif /* HAVE_POLL */
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2330
73549
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2331 #ifdef HAVE_SYS_DEVPOLL_H
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2332 if (PyType_Ready(&devpoll_Type) < 0)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2333 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2334 #endif
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2335
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2336 #ifdef HAVE_EPOLL
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2337 Py_TYPE(&pyEpoll_Type) = &PyType_Type;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2338 if (PyType_Ready(&pyEpoll_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2339 return NULL;
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2340
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2341 Py_INCREF(&pyEpoll_Type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2342 PyModule_AddObject(m, "epoll", (PyObject *) &pyEpoll_Type);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2343
83867
12cbb5183d98 Issue #17917: Use PyModule_AddIntMacro() instead of PyModule_AddIntConstant()
Charles-Francois Natali <cf.natali@gmail.com>
parents: 83653
diff changeset
2344 PyModule_AddIntMacro(m, EPOLLIN);
12cbb5183d98 Issue #17917: Use PyModule_AddIntMacro() instead of PyModule_AddIntConstant()
Charles-Francois Natali <cf.natali@gmail.com>
parents: 83653
diff changeset
2345 PyModule_AddIntMacro(m, EPOLLOUT);
12cbb5183d98 Issue #17917: Use PyModule_AddIntMacro() instead of PyModule_AddIntConstant()
Charles-Francois Natali <cf.natali@gmail.com>
parents: 83653
diff changeset
2346 PyModule_AddIntMacro(m, EPOLLPRI);
12cbb5183d98 Issue #17917: Use PyModule_AddIntMacro() instead of PyModule_AddIntConstant()
Charles-Francois Natali <cf.natali@gmail.com>
parents: 83653
diff changeset
2347 PyModule_AddIntMacro(m, EPOLLERR);
12cbb5183d98 Issue #17917: Use PyModule_AddIntMacro() instead of PyModule_AddIntConstant()
Charles-Francois Natali <cf.natali@gmail.com>
parents: 83653
diff changeset
2348 PyModule_AddIntMacro(m, EPOLLHUP);
12cbb5183d98 Issue #17917: Use PyModule_AddIntMacro() instead of PyModule_AddIntConstant()
Charles-Francois Natali <cf.natali@gmail.com>
parents: 83653
diff changeset
2349 PyModule_AddIntMacro(m, EPOLLET);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2350 #ifdef EPOLLONESHOT
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2351 /* Kernel 2.6.2+ */
83867
12cbb5183d98 Issue #17917: Use PyModule_AddIntMacro() instead of PyModule_AddIntConstant()
Charles-Francois Natali <cf.natali@gmail.com>
parents: 83653
diff changeset
2352 PyModule_AddIntMacro(m, EPOLLONESHOT);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2353 #endif
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2354 /* PyModule_AddIntConstant(m, "EPOLL_RDHUP", EPOLLRDHUP); */
83867
12cbb5183d98 Issue #17917: Use PyModule_AddIntMacro() instead of PyModule_AddIntConstant()
Charles-Francois Natali <cf.natali@gmail.com>
parents: 83653
diff changeset
2355 PyModule_AddIntMacro(m, EPOLLRDNORM);
12cbb5183d98 Issue #17917: Use PyModule_AddIntMacro() instead of PyModule_AddIntConstant()
Charles-Francois Natali <cf.natali@gmail.com>
parents: 83653
diff changeset
2356 PyModule_AddIntMacro(m, EPOLLRDBAND);
12cbb5183d98 Issue #17917: Use PyModule_AddIntMacro() instead of PyModule_AddIntConstant()
Charles-Francois Natali <cf.natali@gmail.com>
parents: 83653
diff changeset
2357 PyModule_AddIntMacro(m, EPOLLWRNORM);
12cbb5183d98 Issue #17917: Use PyModule_AddIntMacro() instead of PyModule_AddIntConstant()
Charles-Francois Natali <cf.natali@gmail.com>
parents: 83653
diff changeset
2358 PyModule_AddIntMacro(m, EPOLLWRBAND);
12cbb5183d98 Issue #17917: Use PyModule_AddIntMacro() instead of PyModule_AddIntConstant()
Charles-Francois Natali <cf.natali@gmail.com>
parents: 83653
diff changeset
2359 PyModule_AddIntMacro(m, EPOLLMSG);
74183
b30a94f7e053 add a flags parameter to select.epoll
Benjamin Peterson <benjamin@python.org>
parents: 73549
diff changeset
2360
74187
0f9276411dce fix for old kernels which don't have epoll_create1
Benjamin Peterson <benjamin@python.org>
parents: 74183
diff changeset
2361 #ifdef EPOLL_CLOEXEC
83867
12cbb5183d98 Issue #17917: Use PyModule_AddIntMacro() instead of PyModule_AddIntConstant()
Charles-Francois Natali <cf.natali@gmail.com>
parents: 83653
diff changeset
2362 PyModule_AddIntMacro(m, EPOLL_CLOEXEC);
74187
0f9276411dce fix for old kernels which don't have epoll_create1
Benjamin Peterson <benjamin@python.org>
parents: 74183
diff changeset
2363 #endif
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2364 #endif /* HAVE_EPOLL */
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2365
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2366 #ifdef HAVE_KQUEUE
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2367 kqueue_event_Type.tp_new = PyType_GenericNew;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2368 Py_TYPE(&kqueue_event_Type) = &PyType_Type;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2369 if(PyType_Ready(&kqueue_event_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2370 return NULL;
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2371
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2372 Py_INCREF(&kqueue_event_Type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2373 PyModule_AddObject(m, "kevent", (PyObject *)&kqueue_event_Type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2374
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2375 Py_TYPE(&kqueue_queue_Type) = &PyType_Type;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2376 if(PyType_Ready(&kqueue_queue_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2377 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2378 Py_INCREF(&kqueue_queue_Type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2379 PyModule_AddObject(m, "kqueue", (PyObject *)&kqueue_queue_Type);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2380
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2381 /* event filters */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2382 PyModule_AddIntConstant(m, "KQ_FILTER_READ", EVFILT_READ);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2383 PyModule_AddIntConstant(m, "KQ_FILTER_WRITE", EVFILT_WRITE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2384 PyModule_AddIntConstant(m, "KQ_FILTER_AIO", EVFILT_AIO);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2385 PyModule_AddIntConstant(m, "KQ_FILTER_VNODE", EVFILT_VNODE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2386 PyModule_AddIntConstant(m, "KQ_FILTER_PROC", EVFILT_PROC);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2387 #ifdef EVFILT_NETDEV
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2388 PyModule_AddIntConstant(m, "KQ_FILTER_NETDEV", EVFILT_NETDEV);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2389 #endif
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2390 PyModule_AddIntConstant(m, "KQ_FILTER_SIGNAL", EVFILT_SIGNAL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2391 PyModule_AddIntConstant(m, "KQ_FILTER_TIMER", EVFILT_TIMER);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2392
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2393 /* event flags */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2394 PyModule_AddIntConstant(m, "KQ_EV_ADD", EV_ADD);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2395 PyModule_AddIntConstant(m, "KQ_EV_DELETE", EV_DELETE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2396 PyModule_AddIntConstant(m, "KQ_EV_ENABLE", EV_ENABLE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2397 PyModule_AddIntConstant(m, "KQ_EV_DISABLE", EV_DISABLE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2398 PyModule_AddIntConstant(m, "KQ_EV_ONESHOT", EV_ONESHOT);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2399 PyModule_AddIntConstant(m, "KQ_EV_CLEAR", EV_CLEAR);
45996
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diff changeset
2400
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diff changeset
2401 PyModule_AddIntConstant(m, "KQ_EV_SYSFLAGS", EV_SYSFLAGS);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2402 PyModule_AddIntConstant(m, "KQ_EV_FLAG1", EV_FLAG1);
45996
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diff changeset
2403
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diff changeset
2404 PyModule_AddIntConstant(m, "KQ_EV_EOF", EV_EOF);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2405 PyModule_AddIntConstant(m, "KQ_EV_ERROR", EV_ERROR);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2406
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diff changeset
2407 /* READ WRITE filter flag */
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2408 PyModule_AddIntConstant(m, "KQ_NOTE_LOWAT", NOTE_LOWAT);
45996
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diff changeset
2409
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diff changeset
2410 /* VNODE filter flags */
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2411 PyModule_AddIntConstant(m, "KQ_NOTE_DELETE", NOTE_DELETE);
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2412 PyModule_AddIntConstant(m, "KQ_NOTE_WRITE", NOTE_WRITE);
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2413 PyModule_AddIntConstant(m, "KQ_NOTE_EXTEND", NOTE_EXTEND);
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2414 PyModule_AddIntConstant(m, "KQ_NOTE_ATTRIB", NOTE_ATTRIB);
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2415 PyModule_AddIntConstant(m, "KQ_NOTE_LINK", NOTE_LINK);
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2416 PyModule_AddIntConstant(m, "KQ_NOTE_RENAME", NOTE_RENAME);
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2417 PyModule_AddIntConstant(m, "KQ_NOTE_REVOKE", NOTE_REVOKE);
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2418
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2419 /* PROC filter flags */
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2420 PyModule_AddIntConstant(m, "KQ_NOTE_EXIT", NOTE_EXIT);
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2421 PyModule_AddIntConstant(m, "KQ_NOTE_FORK", NOTE_FORK);
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2422 PyModule_AddIntConstant(m, "KQ_NOTE_EXEC", NOTE_EXEC);
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2423 PyModule_AddIntConstant(m, "KQ_NOTE_PCTRLMASK", NOTE_PCTRLMASK);
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2424 PyModule_AddIntConstant(m, "KQ_NOTE_PDATAMASK", NOTE_PDATAMASK);
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2425
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2426 PyModule_AddIntConstant(m, "KQ_NOTE_TRACK", NOTE_TRACK);
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2427 PyModule_AddIntConstant(m, "KQ_NOTE_CHILD", NOTE_CHILD);
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2428 PyModule_AddIntConstant(m, "KQ_NOTE_TRACKERR", NOTE_TRACKERR);
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2429
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2430 /* NETDEV filter flags */
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2431 #ifdef EVFILT_NETDEV
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2432 PyModule_AddIntConstant(m, "KQ_NOTE_LINKUP", NOTE_LINKUP);
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2433 PyModule_AddIntConstant(m, "KQ_NOTE_LINKDOWN", NOTE_LINKDOWN);
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2434 PyModule_AddIntConstant(m, "KQ_NOTE_LINKINV", NOTE_LINKINV);
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2435 #endif
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2436
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2437 #endif /* HAVE_KQUEUE */
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2438 return m;
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2439 }