Mercurial > cpython-lru_cache-weakref

annotate Modules/selectmodule.c @ 81922:4ab386b00aaf

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Fix tests for issue #11159.
author Serhiy Storchaka <storchaka@gmail.com>
date Sat, 02 Feb 2013 12:17:50 +0200
parents 79912bb1a884
children 557599a32821
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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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301
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302 Py_DECREF(ifdlist);
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303 Py_DECREF(ofdlist);
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304 Py_DECREF(efdlist);
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305 }
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306
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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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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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330 } pollObject;
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331
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332 static PyTypeObject poll_Type;
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333
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334 /* Update the malloc'ed array of pollfds to match the dictionary
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335 contained within a pollObject. Return 1 on success, 0 on an error.
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336 */
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337
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338 static int
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339 update_ufd_array(pollObject *self)
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340 {
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341 Py_ssize_t i, pos;
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342 PyObject *key, *value;
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343 struct pollfd *old_ufds = self->ufds;
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344
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345 self->ufd_len = PyDict_Size(self->dict);
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346 PyMem_RESIZE(self->ufds, struct pollfd, self->ufd_len);
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347 if (self->ufds == NULL) {
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348 self->ufds = old_ufds;
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349 PyErr_NoMemory();
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350 return 0;
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351 }
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352
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353 i = pos = 0;
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354 while (PyDict_Next(self->dict, &pos, &key, &value)) {
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355 assert(i < self->ufd_len);
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356 /* Never overflow */
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357 self->ufds[i].fd = (int)PyLong_AsLong(key);
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358 self->ufds[i].events = (short)PyLong_AsLong(value);
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359 i++;
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360 }
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361 assert(i == self->ufd_len);
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362 self->ufd_uptodate = 1;
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363 return 1;
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364 }
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365
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366 PyDoc_STRVAR(poll_register_doc,
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367 "register(fd [, eventmask] ) -> None\n\n\
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368 Register a file descriptor with the polling object.\n\
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369 fd -- either an integer, or an object with a fileno() method returning an\n\
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370 int.\n\
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371 events -- an optional bitmask describing the type of events to check for");
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372
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373 static PyObject *
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374 poll_register(pollObject *self, PyObject *args)
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375 {
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376 PyObject *o, *key, *value;
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377 int fd;
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378 short events = POLLIN | POLLPRI | POLLOUT;
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379 int err;
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380
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381 if (!PyArg_ParseTuple(args, "O|h:register", &o, &events)) {
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382 return NULL;
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383 }
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384
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385 fd = PyObject_AsFileDescriptor(o);
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386 if (fd == -1) return NULL;
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387
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388 /* Add entry to the internal dictionary: the key is the
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389 file descriptor, and the value is the event mask. */
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390 key = PyLong_FromLong(fd);
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391 if (key == NULL)
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392 return NULL;
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393 value = PyLong_FromLong(events);
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394 if (value == NULL) {
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395 Py_DECREF(key);
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396 return NULL;
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397 }
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398 err = PyDict_SetItem(self->dict, key, value);
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399 Py_DECREF(key);
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400 Py_DECREF(value);
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401 if (err < 0)
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402 return NULL;
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403
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404 self->ufd_uptodate = 0;
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405
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406 Py_INCREF(Py_None);
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407 return Py_None;
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408 }
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409
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410 PyDoc_STRVAR(poll_modify_doc,
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411 "modify(fd, eventmask) -> None\n\n\
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412 Modify an already registered file descriptor.\n\
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413 fd -- either an integer, or an object with a fileno() method returning an\n\
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414 int.\n\
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415 events -- an optional bitmask describing the type of events to check for");
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416
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417 static PyObject *
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418 poll_modify(pollObject *self, PyObject *args)
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419 {
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420 PyObject *o, *key, *value;
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421 int fd, events;
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422 int err;
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423
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424 if (!PyArg_ParseTuple(args, "Oi:modify", &o, &events)) {
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425 return NULL;
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426 }
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427
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428 fd = PyObject_AsFileDescriptor(o);
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429 if (fd == -1) return NULL;
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430
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431 /* Modify registered fd */
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432 key = PyLong_FromLong(fd);
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433 if (key == NULL)
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434 return NULL;
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435 if (PyDict_GetItem(self->dict, key) == NULL) {
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436 errno = ENOENT;
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437 PyErr_SetFromErrno(PyExc_OSError);
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438 Py_DECREF(key);
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439 return NULL;
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440 }
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441 value = PyLong_FromLong(events);
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442 if (value == NULL) {
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443 Py_DECREF(key);
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444 return NULL;
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445 }
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446 err = PyDict_SetItem(self->dict, key, value);
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447 Py_DECREF(key);
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448 Py_DECREF(value);
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449 if (err < 0)
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450 return NULL;
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451
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452 self->ufd_uptodate = 0;
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453
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454 Py_INCREF(Py_None);
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455 return Py_None;
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456 }
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457
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458
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459 PyDoc_STRVAR(poll_unregister_doc,
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460 "unregister(fd) -> None\n\n\
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461 Remove a file descriptor being tracked by the polling object.");
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462
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463 static PyObject *
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464 poll_unregister(pollObject *self, PyObject *o)
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465 {
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466 PyObject *key;
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467 int fd;
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468
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469 fd = PyObject_AsFileDescriptor( o );
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470 if (fd == -1)
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471 return NULL;
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472
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473 /* Check whether the fd is already in the array */
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474 key = PyLong_FromLong(fd);
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475 if (key == NULL)
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476 return NULL;
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477
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478 if (PyDict_DelItem(self->dict, key) == -1) {
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479 Py_DECREF(key);
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480 /* This will simply raise the KeyError set by PyDict_DelItem
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481 if the file descriptor isn't registered. */
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482 return NULL;
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483 }
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484
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485 Py_DECREF(key);
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486 self->ufd_uptodate = 0;
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487
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488 Py_INCREF(Py_None);
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489 return Py_None;
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490 }
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491
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492 PyDoc_STRVAR(poll_poll_doc,
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493 "poll( [timeout] ) -> list of (fd, event) 2-tuples\n\n\
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494 Polls the set of registered file descriptors, returning a list containing \n\
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495 any descriptors that have events or errors to report.");
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496
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497 static PyObject *
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498 poll_poll(pollObject *self, PyObject *args)
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499 {
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500 PyObject *result_list = NULL, *tout = NULL;
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501 int timeout = 0, poll_result, i, j;
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502 PyObject *value = NULL, *num = NULL;
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503
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504 if (!PyArg_UnpackTuple(args, "poll", 0, 1, &tout)) {
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505 return NULL;
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506 }
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diff changeset
507
61467
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508 /* Check values for timeout */
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diff changeset
509 if (tout == NULL || tout == Py_None)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
510 timeout = -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
511 else if (!PyNumber_Check(tout)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
512 PyErr_SetString(PyExc_TypeError,
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parents: 60425
diff changeset
513 "timeout must be an integer or None");
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parents: 60425
diff changeset
514 return NULL;
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parents: 60425
diff changeset
515 }
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diff changeset
516 else {
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diff changeset
517 tout = PyNumber_Long(tout);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
518 if (!tout)
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diff changeset
519 return NULL;
81587
974ace29ee2d Issue #15989: Fix several occurrences of integer overflow
Serhiy Storchaka <storchaka@gmail.com>
parents: 80161
diff changeset
520 timeout = _PyLong_AsInt(tout);
61467
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diff changeset
521 Py_DECREF(tout);
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diff changeset
522 if (timeout == -1 && PyErr_Occurred())
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diff changeset
523 return NULL;
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diff changeset
524 }
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
525
61467
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diff changeset
526 /* Ensure the ufd array is up to date */
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parents: 60425
diff changeset
527 if (!self->ufd_uptodate)
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diff changeset
528 if (update_ufd_array(self) == 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
529 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
530
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diff changeset
531 /* call poll() */
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diff changeset
532 Py_BEGIN_ALLOW_THREADS
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diff changeset
533 poll_result = poll(self->ufds, self->ufd_len, timeout);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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534 Py_END_ALLOW_THREADS
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535
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diff changeset
536 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
537 PyErr_SetFromErrno(PyExc_OSError);
61467
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538 return NULL;
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539 }
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
540
61467
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diff changeset
541 /* 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
542
61467
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
543 result_list = PyList_New(poll_result);
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parents: 60425
diff changeset
544 if (!result_list)
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545 return NULL;
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diff changeset
546 else {
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parents: 60425
diff changeset
547 for (i = 0, j = 0; j < poll_result; j++) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
548 /* skip to the next fired descriptor */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
549 while (!self->ufds[i].revents) {
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parents: 60425
diff changeset
550 i++;
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parents: 60425
diff changeset
551 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
552 /* if we hit a NULL return, set value to NULL
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
553 and break out of loop; code at end will
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parents: 60425
diff changeset
554 clean up result_list */
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parents: 60425
diff changeset
555 value = PyTuple_New(2);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
556 if (value == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
557 goto error;
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parents: 60425
diff changeset
558 num = PyLong_FromLong(self->ufds[i].fd);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
559 if (num == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
560 Py_DECREF(value);
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diff changeset
561 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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562 }
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diff changeset
563 PyTuple_SET_ITEM(value, 0, num);
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diff changeset
564
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565 /* The &0xffff is a workaround for AIX. 'revents'
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
566 is a 16-bit short, and IBM assigned POLLNVAL
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
567 to be 0x8000, so the conversion to int results
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
568 in a negative number. See SF bug #923315. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
569 num = PyLong_FromLong(self->ufds[i].revents & 0xffff);
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570 if (num == NULL) {
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571 Py_DECREF(value);
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diff changeset
572 goto error;
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573 }
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diff changeset
574 PyTuple_SET_ITEM(value, 1, num);
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diff changeset
575 if ((PyList_SetItem(result_list, j, value)) == -1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
576 Py_DECREF(value);
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diff changeset
577 goto error;
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diff changeset
578 }
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diff changeset
579 i++;
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diff changeset
580 }
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diff changeset
581 }
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582 return result_list;
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
583
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
584 error:
61467
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diff changeset
585 Py_DECREF(result_list);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
586 return NULL;
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
587 }
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
588
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
589 static PyMethodDef poll_methods[] = {
61467
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diff changeset
590 {"register", (PyCFunction)poll_register,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
591 METH_VARARGS, poll_register_doc},
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diff changeset
592 {"modify", (PyCFunction)poll_modify,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
593 METH_VARARGS, poll_modify_doc},
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diff changeset
594 {"unregister", (PyCFunction)poll_unregister,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
595 METH_O, poll_unregister_doc},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
596 {"poll", (PyCFunction)poll_poll,
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diff changeset
597 METH_VARARGS, poll_poll_doc},
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diff changeset
598 {NULL, NULL} /* sentinel */
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 pollObject *
14277
984abd20eec2 Peter Schneider-Kamp <nowonder@nowonder.de>:
Fred Drake <fdrake@acm.org>
parents: 14182
diff changeset
602 newPollObject(void)
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
603 {
61467
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diff changeset
604 pollObject *self;
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parents: 60425
diff changeset
605 self = PyObject_New(pollObject, &poll_Type);
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diff changeset
606 if (self == NULL)
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diff changeset
607 return NULL;
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diff changeset
608 /* ufd_uptodate is a Boolean, denoting whether the
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parents: 60425
diff changeset
609 array pointed to by ufds matches the contents of the dictionary. */
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diff changeset
610 self->ufd_uptodate = 0;
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diff changeset
611 self->ufds = NULL;
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diff changeset
612 self->dict = PyDict_New();
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diff changeset
613 if (self->dict == NULL) {
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614 Py_DECREF(self);
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615 return NULL;
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616 }
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diff changeset
617 return self;
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
618 }
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
619
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
620 static void
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
621 poll_dealloc(pollObject *self)
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
622 {
61467
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diff changeset
623 if (self->ufds != NULL)
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diff changeset
624 PyMem_DEL(self->ufds);
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diff changeset
625 Py_XDECREF(self->dict);
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diff changeset
626 PyObject_Del(self);
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
627 }
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
628
24283
c0a67a1cab09 Removed more stray instances of statichere, but left _sre.c alone.
Tim Peters <tim.peters@gmail.com>
parents: 24280
diff changeset
629 static PyTypeObject poll_Type = {
61467
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diff changeset
630 /* The ob_type field must be initialized in the module init function
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diff changeset
631 * to be portable to Windows without using C++. */
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diff changeset
632 PyVarObject_HEAD_INIT(NULL, 0)
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diff changeset
633 "select.poll", /*tp_name*/
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diff changeset
634 sizeof(pollObject), /*tp_basicsize*/
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diff changeset
635 0, /*tp_itemsize*/
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diff changeset
636 /* methods */
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diff changeset
637 (destructor)poll_dealloc, /*tp_dealloc*/
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diff changeset
638 0, /*tp_print*/
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diff changeset
639 0, /*tp_getattr*/
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640 0, /*tp_setattr*/
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641 0, /*tp_reserved*/
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642 0, /*tp_repr*/
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643 0, /*tp_as_number*/
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644 0, /*tp_as_sequence*/
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645 0, /*tp_as_mapping*/
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646 0, /*tp_hash*/
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647 0, /*tp_call*/
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648 0, /*tp_str*/
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649 0, /*tp_getattro*/
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650 0, /*tp_setattro*/
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651 0, /*tp_as_buffer*/
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diff changeset
652 Py_TPFLAGS_DEFAULT, /*tp_flags*/
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653 0, /*tp_doc*/
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654 0, /*tp_traverse*/
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655 0, /*tp_clear*/
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656 0, /*tp_richcompare*/
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657 0, /*tp_weaklistoffset*/
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658 0, /*tp_iter*/
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659 0, /*tp_iternext*/
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diff changeset
660 poll_methods, /*tp_methods*/
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
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661 };
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
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662
73549
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
663 #ifdef HAVE_SYS_DEVPOLL_H
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
664 typedef struct {
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
665 PyObject_HEAD
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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666 int fd_devpoll;
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
667 int max_n_fds;
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
668 int n_fds;
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
669 struct pollfd *fds;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
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670 } devpollObject;
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671
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
672 static PyTypeObject devpoll_Type;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
673
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
674 static int devpoll_flush(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
675 {
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
676 int size, n;
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parents: 72879
diff changeset
677
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
678 if (!self->n_fds) return 0;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
679
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
680 size = sizeof(struct pollfd)*self->n_fds;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
681 self->n_fds = 0;
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
682
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
683 Py_BEGIN_ALLOW_THREADS
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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parents: 72879
diff changeset
684 n = write(self->fd_devpoll, self->fds, size);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
685 Py_END_ALLOW_THREADS
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
686
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
687 if (n == -1 ) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
688 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
689 return -1;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
690 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
691 if (n < size) {
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
692 /*
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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parents: 72879
diff changeset
693 ** 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.
Jesus Cea <jcea@jcea.es>
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diff changeset
694 ** clear what to do if a partial write occurred. For now, raise
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
695 ** 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.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
696 ** the wild.
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
697 ** See http://bugs.python.org/issue6397.
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
698 */
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
699 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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parents: 72879
diff changeset
700 "Please, report at http://bugs.python.org/. "
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
701 "Data to report: Size tried: %d, actual size written: %d.",
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
702 size, n);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
703 return -1;
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
704 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
705 return 0;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
706 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
707
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
708 static PyObject *
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
709 internal_devpoll_register(devpollObject *self, PyObject *args, int remove)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
710 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
711 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
712 int fd, events = POLLIN | POLLPRI | POLLOUT;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
713
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
714 if (!PyArg_ParseTuple(args, "O|i:register", &o, &events)) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
715 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
716 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
717
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
718 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
719 if (fd == -1) 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
720
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
721 if (remove) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
722 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
723 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
724
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
725 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
726 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
727 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
728 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
729 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
730
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
731 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
732 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>
parents: 72879
diff changeset
733
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
734 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
735 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
736 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
737 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
738
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
739 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
740 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
741
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
742 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
743 "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
744 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
745 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
746 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
747 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
748
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
749 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
750 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
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 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
753 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
754
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
755 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
756 "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
757 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
758 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
759 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
760 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
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 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
763 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
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 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
766 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
767
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
768
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
769 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
770 "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
771 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
772
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
773 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
774 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
775 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
776 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
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 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
779 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
780 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
781
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
782 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
783 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
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 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
786 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
787 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
788 }
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 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
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
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
793 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
794 "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
795 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
796 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
797
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
798 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
799 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
800 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
801 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
802 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
803 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
804 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
805 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
806
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
807 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
808 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
809 }
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 /* 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
812 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
813 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
814 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
815 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
816 "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
817 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
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 else {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
820 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
821 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
822 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
823 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
824 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
825 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
826 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
827 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
828
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
829 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
830 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
831 "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
832 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
833 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
834
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
835 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
836 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
837
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
838 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
839 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
840 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
841
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
842 /* 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
843 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
844 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
845 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
846
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
847 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
848 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
849 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
850 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
851
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
852 /* 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
853
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
854 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
855 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
856 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
857 else {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
858 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
859 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
860 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
861 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
862 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
863 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
864 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
865 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
866 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
867 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
868 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
869 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
870 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
871 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
872 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
873 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
874 }
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 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
877
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 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
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 error:
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
881 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
882 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
883 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
884
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
885 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
886 {"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
887 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
888 {"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
889 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
890 {"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
891 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
892 {"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
893 METH_VARARGS, 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
894 {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
895 };
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
896
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
897 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
898 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
899 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
900 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
901 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
902 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
903 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
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 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
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 ** 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
908 ** 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
909 ** 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
910 ** 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
911 */
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
912 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
913 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
914 fd_devpoll = open("/dev/poll", O_RDWR);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
915 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
916
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
917 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
918 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
919 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
920 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
921 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
922 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
923 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
924 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
925
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
926 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
927 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
928 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
929 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
930 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
931 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
932
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
933 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
934 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
935 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
936 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
937 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
938 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
939 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
940 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
941 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
942 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
943
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
944 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
945 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
946
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
947 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
948 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
949 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
950 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
951 close(self->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
952 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
953
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
954 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
955
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
956 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
957 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
958
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
959 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
960 /* 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
961 * 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
962 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
963 "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
964 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
965 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
966 /* methods */
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
967 (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
968 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
969 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
970 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
971 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
972 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
973 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
974 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
975 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
976 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
977 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
978 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
979 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
980 0, /*tp_setattro*/
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diff changeset
981 0, /*tp_as_buffer*/
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982 Py_TPFLAGS_DEFAULT, /*tp_flags*/
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983 0, /*tp_doc*/
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984 0, /*tp_traverse*/
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985 0, /*tp_clear*/
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986 0, /*tp_richcompare*/
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987 0, /*tp_weaklistoffset*/
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988 0, /*tp_iter*/
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989 0, /*tp_iternext*/
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990 devpoll_methods, /*tp_methods*/
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diff changeset
991 };
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992 #endif /* HAVE_SYS_DEVPOLL_H */
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993
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diff changeset
994
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995
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996 PyDoc_STRVAR(poll_doc,
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997 "Returns a polling object, which supports registering and\n\
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998 unregistering file descriptors, and then polling them for I/O events.");
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999
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1000 static PyObject *
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1001 select_poll(PyObject *self, PyObject *unused)
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1002 {
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1003 return (PyObject *)newPollObject();
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1004 }
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1005
73549
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1006 #ifdef HAVE_SYS_DEVPOLL_H
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1007 PyDoc_STRVAR(devpoll_doc,
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1008 "Returns a polling object, which supports registering and\n\
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diff changeset
1009 unregistering file descriptors, and then polling them for I/O events.");
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1010
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1011 static PyObject *
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1012 select_devpoll(PyObject *self, PyObject *unused)
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1013 {
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1014 return (PyObject *)newDevPollObject();
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1015 }
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1016 #endif
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1017
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1018
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1019 #ifdef __APPLE__
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1020 /*
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1021 * On some systems poll() sets errno on invalid file descriptors. We test
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1022 * for this at runtime because this bug may be fixed or introduced between
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diff changeset
1023 * OS releases.
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1024 */
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1025 static int select_have_broken_poll(void)
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Ronald Oussoren <ronaldoussoren@mac.com>
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diff changeset
1026 {
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1027 int poll_test;
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1028 int filedes[2];
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1029
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1030 struct pollfd poll_struct = { 0, POLLIN|POLLPRI|POLLOUT, 0 };
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1031
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1032 /* Create a file descriptor to make invalid */
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1033 if (pipe(filedes) < 0) {
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1034 return 1;
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1035 }
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1036 poll_struct.fd = filedes[0];
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1037 close(filedes[0]);
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1038 close(filedes[1]);
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1039 poll_test = poll(&poll_struct, 1, 0);
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1040 if (poll_test < 0) {
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1041 return 1;
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1042 } else if (poll_test == 0 && poll_struct.revents != POLLNVAL) {
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1043 return 1;
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1044 }
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1045 return 0;
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1046 }
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1047 #endif /* __APPLE__ */
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1048
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1049 #endif /* HAVE_POLL */
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1050
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1051 #ifdef HAVE_EPOLL
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1052 /* **************************************************************************
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1053 * epoll interface for Linux 2.6
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1054 *
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1055 * Written by Christian Heimes
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1056 * Inspired by Twisted's _epoll.pyx and select.poll()
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1057 */
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1058
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1059 #ifdef HAVE_SYS_EPOLL_H
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1060 #include <sys/epoll.h>
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1061 #endif
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1062
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1063 typedef struct {
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1064 PyObject_HEAD
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1065 SOCKET epfd; /* epoll control file descriptor */
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1066 } pyEpoll_Object;
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1067
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1068 static PyTypeObject pyEpoll_Type;
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1069 #define pyepoll_CHECK(op) (PyObject_TypeCheck((op), &pyEpoll_Type))
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1070
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1071 static PyObject *
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1072 pyepoll_err_closed(void)
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1073 {
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1074 PyErr_SetString(PyExc_ValueError, "I/O operation on closed epoll fd");
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1075 return NULL;
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1076 }
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1077
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1078 static int
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1079 pyepoll_internal_close(pyEpoll_Object *self)
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1080 {
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1081 int save_errno = 0;
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1082 if (self->epfd >= 0) {
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1083 int epfd = self->epfd;
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1084 self->epfd = -1;
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1085 Py_BEGIN_ALLOW_THREADS
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1086 if (close(epfd) < 0)
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1087 save_errno = errno;
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1088 Py_END_ALLOW_THREADS
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1089 }
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1090 return save_errno;
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1091 }
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1092
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1093 static PyObject *
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1094 newPyEpoll_Object(PyTypeObject *type, int sizehint, int flags, SOCKET fd)
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1095 {
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1096 pyEpoll_Object *self;
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1097
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1098 assert(type != NULL && type->tp_alloc != NULL);
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1099 self = (pyEpoll_Object *) type->tp_alloc(type, 0);
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1100 if (self == NULL)
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1101 return NULL;
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1102
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1103 if (fd == -1) {
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1104 Py_BEGIN_ALLOW_THREADS
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1105 #ifdef HAVE_EPOLL_CREATE1
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1106 if (flags)
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1107 self->epfd = epoll_create1(flags);
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1108 else
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1109 #endif
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1110 self->epfd = epoll_create(sizehint);
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1111 Py_END_ALLOW_THREADS
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1112 }
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1113 else {
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1114 self->epfd = fd;
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1115 }
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1116 if (self->epfd < 0) {
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1117 Py_DECREF(self);
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1118 PyErr_SetFromErrno(PyExc_OSError);
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1119 return NULL;
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1120 }
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1121 return (PyObject *)self;
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1122 }
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1123
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1124
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1125 static PyObject *
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1126 pyepoll_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
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1127 {
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1128 int flags = 0, sizehint = FD_SETSIZE - 1;
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1129 static char *kwlist[] = {"sizehint", "flags", NULL};
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1130
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1131 if (!PyArg_ParseTupleAndKeywords(args, kwds, "|ii:epoll", kwlist,
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1132 &sizehint, &flags))
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1133 return NULL;
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1134 if (sizehint < 0) {
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1135 PyErr_SetString(PyExc_ValueError, "negative sizehint");
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1136 return NULL;
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1137 }
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1138
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1139 return newPyEpoll_Object(type, sizehint, flags, -1);
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1140 }
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1141
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1142
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1143 static void
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1144 pyepoll_dealloc(pyEpoll_Object *self)
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1145 {
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1146 (void)pyepoll_internal_close(self);
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1147 Py_TYPE(self)->tp_free(self);
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1148 }
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1149
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1150 static PyObject*
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1151 pyepoll_close(pyEpoll_Object *self)
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1152 {
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1153 errno = pyepoll_internal_close(self);
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1154 if (errno < 0) {
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1155 PyErr_SetFromErrno(PyExc_OSError);
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1156 return NULL;
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1157 }
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1158 Py_RETURN_NONE;
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1159 }
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1160
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1161 PyDoc_STRVAR(pyepoll_close_doc,
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diff changeset
1162 "close() -> None\n\
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1163 \n\
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1164 Close the epoll control file descriptor. Further operations on the epoll\n\
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1165 object will raise an exception.");
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1166
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1167 static PyObject*
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1168 pyepoll_get_closed(pyEpoll_Object *self)
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1169 {
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1170 if (self->epfd < 0)
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1171 Py_RETURN_TRUE;
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1172 else
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1173 Py_RETURN_FALSE;
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1174 }
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1175
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1176 static PyObject*
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1177 pyepoll_fileno(pyEpoll_Object *self)
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1178 {
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1179 if (self->epfd < 0)
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1180 return pyepoll_err_closed();
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1181 return PyLong_FromLong(self->epfd);
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1182 }
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1183
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1184 PyDoc_STRVAR(pyepoll_fileno_doc,
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1185 "fileno() -> int\n\
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1186 \n\
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1187 Return the epoll control file descriptor.");
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1188
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1189 static PyObject*
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1190 pyepoll_fromfd(PyObject *cls, PyObject *args)
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1191 {
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1192 SOCKET fd;
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1193
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1194 if (!PyArg_ParseTuple(args, "i:fromfd", &fd))
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1195 return NULL;
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1196
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1197 return newPyEpoll_Object((PyTypeObject*)cls, FD_SETSIZE - 1, 0, fd);
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1198 }
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1199
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1200 PyDoc_STRVAR(pyepoll_fromfd_doc,
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1201 "fromfd(fd) -> epoll\n\
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1202 \n\
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1203 Create an epoll object from a given control fd.");
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1204
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1205 static PyObject *
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1206 pyepoll_internal_ctl(int epfd, int op, PyObject *pfd, unsigned int events)
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1207 {
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1208 struct epoll_event ev;
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1209 int result;
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1210 int fd;
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1211
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1212 if (epfd < 0)
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1213 return pyepoll_err_closed();
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1214
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1215 fd = PyObject_AsFileDescriptor(pfd);
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1216 if (fd == -1) {
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1217 return NULL;
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1218 }
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1219
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1220 switch(op) {
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1221 case EPOLL_CTL_ADD:
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1222 case EPOLL_CTL_MOD:
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1223 ev.events = events;
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1224 ev.data.fd = fd;
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1225 Py_BEGIN_ALLOW_THREADS
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1226 result = epoll_ctl(epfd, op, fd, &ev);
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1227 Py_END_ALLOW_THREADS
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1228 break;
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1229 case EPOLL_CTL_DEL:
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1230 /* In kernel versions before 2.6.9, the EPOLL_CTL_DEL
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1231 * operation required a non-NULL pointer in event, even
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1232 * though this argument is ignored. */
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1233 Py_BEGIN_ALLOW_THREADS
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1234 result = epoll_ctl(epfd, op, fd, &ev);
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1235 if (errno == EBADF) {
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1236 /* fd already closed */
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1237 result = 0;
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1238 errno = 0;
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1239 }
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1240 Py_END_ALLOW_THREADS
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1241 break;
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1242 default:
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1243 result = -1;
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1244 errno = EINVAL;
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1245 }
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1246
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1247 if (result < 0) {
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1248 PyErr_SetFromErrno(PyExc_OSError);
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1249 return NULL;
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1250 }
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1251 Py_RETURN_NONE;
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1252 }
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1253
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1254 static PyObject *
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1255 pyepoll_register(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
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1256 {
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1257 PyObject *pfd;
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1258 unsigned int events = EPOLLIN | EPOLLOUT | EPOLLPRI;
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1259 static char *kwlist[] = {"fd", "eventmask", NULL};
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1260
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1261 if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|I:register", kwlist,
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1262 &pfd, &events)) {
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1263 return NULL;
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1264 }
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1265
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1266 return pyepoll_internal_ctl(self->epfd, EPOLL_CTL_ADD, pfd, events);
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1267 }
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1268
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1269 PyDoc_STRVAR(pyepoll_register_doc,
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1270 "register(fd[, eventmask]) -> None\n\
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1271 \n\
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1272 Registers a new fd or raises an OSError if the fd is already registered.\n\
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1273 fd is the target file descriptor of the operation.\n\
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1274 events is a bit set composed of the various EPOLL constants; the default\n\
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1275 is EPOLL_IN | EPOLL_OUT | EPOLL_PRI.\n\
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1276 \n\
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1277 The epoll interface supports all file descriptors that support poll.");
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1278
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1279 static PyObject *
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1280 pyepoll_modify(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
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1281 {
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1282 PyObject *pfd;
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1283 unsigned int events;
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1284 static char *kwlist[] = {"fd", "eventmask", NULL};
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1285
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1286 if (!PyArg_ParseTupleAndKeywords(args, kwds, "OI:modify", kwlist,
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1287 &pfd, &events)) {
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1288 return NULL;
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1289 }
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1290
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1291 return pyepoll_internal_ctl(self->epfd, EPOLL_CTL_MOD, pfd, events);
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1292 }
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1293
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1294 PyDoc_STRVAR(pyepoll_modify_doc,
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1295 "modify(fd, eventmask) -> None\n\
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1296 \n\
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1297 fd is the target file descriptor of the operation\n\
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1298 events is a bit set composed of the various EPOLL constants");
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1299
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1300 static PyObject *
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1301 pyepoll_unregister(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
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1302 {
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1303 PyObject *pfd;
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1304 static char *kwlist[] = {"fd", NULL};
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1305
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1306 if (!PyArg_ParseTupleAndKeywords(args, kwds, "O:unregister", kwlist,
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1307 &pfd)) {
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1308 return NULL;
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1309 }
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1310
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1311 return pyepoll_internal_ctl(self->epfd, EPOLL_CTL_DEL, pfd, 0);
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1312 }
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1313
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1314 PyDoc_STRVAR(pyepoll_unregister_doc,
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1315 "unregister(fd) -> None\n\
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1316 \n\
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1317 fd is the target file descriptor of the operation.");
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1318
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1319 static PyObject *
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1320 pyepoll_poll(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
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1321 {
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1322 double dtimeout = -1.;
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1323 int timeout;
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1324 int maxevents = -1;
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1325 int nfds, i;
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1326 PyObject *elist = NULL, *etuple = NULL;
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1327 struct epoll_event *evs = NULL;
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1328 static char *kwlist[] = {"timeout", "maxevents", NULL};
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1329
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1330 if (self->epfd < 0)
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1331 return pyepoll_err_closed();
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1332
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1333 if (!PyArg_ParseTupleAndKeywords(args, kwds, "|di:poll", kwlist,
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1334 &dtimeout, &maxevents)) {
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1335 return NULL;
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1336 }
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1337
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1338 if (dtimeout < 0) {
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1339 timeout = -1;
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1340 }
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1341 else if (dtimeout * 1000.0 > INT_MAX) {
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1342 PyErr_SetString(PyExc_OverflowError,
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1343 "timeout is too large");
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1344 return NULL;
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1345 }
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1346 else {
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1347 timeout = (int)(dtimeout * 1000.0);
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1348 }
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1349
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1350 if (maxevents == -1) {
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1351 maxevents = FD_SETSIZE-1;
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1352 }
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1353 else if (maxevents < 1) {
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1354 PyErr_Format(PyExc_ValueError,
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1355 "maxevents must be greater than 0, got %d",
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1356 maxevents);
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1357 return NULL;
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1358 }
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1359
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1360 evs = PyMem_New(struct epoll_event, maxevents);
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1361 if (evs == NULL) {
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1362 Py_DECREF(self);
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1363 PyErr_NoMemory();
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1364 return NULL;
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1365 }
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1366
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1367 Py_BEGIN_ALLOW_THREADS
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1368 nfds = epoll_wait(self->epfd, evs, maxevents, timeout);
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1369 Py_END_ALLOW_THREADS
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1370 if (nfds < 0) {
72879
41a1de81ef2b PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy.
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1371 PyErr_SetFromErrno(PyExc_OSError);
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1372 goto error;
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1373 }
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1374
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1375 elist = PyList_New(nfds);
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1376 if (elist == NULL) {
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1377 goto error;
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1378 }
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1379
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1380 for (i = 0; i < nfds; i++) {
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1381 etuple = Py_BuildValue("iI", evs[i].data.fd, evs[i].events);
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1382 if (etuple == NULL) {
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1383 Py_CLEAR(elist);
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1384 goto error;
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1385 }
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1386 PyList_SET_ITEM(elist, i, etuple);
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1387 }
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1388
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1389 error:
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1390 PyMem_Free(evs);
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1391 return elist;
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1392 }
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1393
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1394 PyDoc_STRVAR(pyepoll_poll_doc,
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1395 "poll([timeout=-1[, maxevents=-1]]) -> [(fd, events), (...)]\n\
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1396 \n\
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1397 Wait for events on the epoll file descriptor for a maximum time of timeout\n\
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1398 in seconds (as float). -1 makes poll wait indefinitely.\n\
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1399 Up to maxevents are returned to the caller.");
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1400
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1401 static PyObject *
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1402 pyepoll_enter(pyEpoll_Object *self, PyObject *args)
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1403 {
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1404 if (self->epfd < 0)
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1405 return pyepoll_err_closed();
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1406
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1407 Py_INCREF(self);
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1408 return (PyObject *)self;
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1409 }
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1410
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1411 static PyObject *
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1412 pyepoll_exit(PyObject *self, PyObject *args)
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1413 {
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1414 _Py_IDENTIFIER(close);
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1415
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1416 return _PyObject_CallMethodId(self, &PyId_close, NULL);
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1417 }
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1418
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1419 static PyMethodDef pyepoll_methods[] = {
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1420 {"fromfd", (PyCFunction)pyepoll_fromfd,
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1421 METH_VARARGS | METH_CLASS, pyepoll_fromfd_doc},
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1422 {"close", (PyCFunction)pyepoll_close, METH_NOARGS,
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1423 pyepoll_close_doc},
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1424 {"fileno", (PyCFunction)pyepoll_fileno, METH_NOARGS,
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1425 pyepoll_fileno_doc},
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1426 {"modify", (PyCFunction)pyepoll_modify,
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1427 METH_VARARGS | METH_KEYWORDS, pyepoll_modify_doc},
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1428 {"register", (PyCFunction)pyepoll_register,
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1429 METH_VARARGS | METH_KEYWORDS, pyepoll_register_doc},
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1430 {"unregister", (PyCFunction)pyepoll_unregister,
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1431 METH_VARARGS | METH_KEYWORDS, pyepoll_unregister_doc},
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1432 {"poll", (PyCFunction)pyepoll_poll,
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1433 METH_VARARGS | METH_KEYWORDS, pyepoll_poll_doc},
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1434 {"__enter__", (PyCFunction)pyepoll_enter, METH_NOARGS,
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1435 NULL},
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1436 {"__exit__", (PyCFunction)pyepoll_exit, METH_VARARGS,
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1437 NULL},
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1438 {NULL, NULL},
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1439 };
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1440
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1441 static PyGetSetDef pyepoll_getsetlist[] = {
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1442 {"closed", (getter)pyepoll_get_closed, NULL,
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1443 "True if the epoll handler is closed"},
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1444 {0},
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1445 };
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1446
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1447 PyDoc_STRVAR(pyepoll_doc,
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1448 "select.epoll(sizehint=-1, flags=0)\n\
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1449 \n\
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1450 Returns an epolling object\n\
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1451 \n\
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1452 sizehint must be a positive integer or -1 for the default size. The\n\
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1453 sizehint is used to optimize internal data structures. It doesn't limit\n\
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1454 the maximum number of monitored events.");
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1455
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1456 static PyTypeObject pyEpoll_Type = {
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1457 PyVarObject_HEAD_INIT(NULL, 0)
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1458 "select.epoll", /* tp_name */
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1459 sizeof(pyEpoll_Object), /* tp_basicsize */
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1460 0, /* tp_itemsize */
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1461 (destructor)pyepoll_dealloc, /* tp_dealloc */
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1462 0, /* tp_print */
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1463 0, /* tp_getattr */
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1464 0, /* tp_setattr */
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1465 0, /* tp_reserved */
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1466 0, /* tp_repr */
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1467 0, /* tp_as_number */
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1468 0, /* tp_as_sequence */
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1469 0, /* tp_as_mapping */
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1470 0, /* tp_hash */
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1471 0, /* tp_call */
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1472 0, /* tp_str */
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1473 PyObject_GenericGetAttr, /* tp_getattro */
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1474 0, /* tp_setattro */
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1475 0, /* tp_as_buffer */
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1476 Py_TPFLAGS_DEFAULT, /* tp_flags */
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1477 pyepoll_doc, /* tp_doc */
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1478 0, /* tp_traverse */
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1479 0, /* tp_clear */
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1480 0, /* tp_richcompare */
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1481 0, /* tp_weaklistoffset */
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1482 0, /* tp_iter */
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1483 0, /* tp_iternext */
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1484 pyepoll_methods, /* tp_methods */
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1485 0, /* tp_members */
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1486 pyepoll_getsetlist, /* tp_getset */
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1487 0, /* tp_base */
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1488 0, /* tp_dict */
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1489 0, /* tp_descr_get */
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1490 0, /* tp_descr_set */
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1491 0, /* tp_dictoffset */
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1492 0, /* tp_init */
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1493 0, /* tp_alloc */
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1494 pyepoll_new, /* tp_new */
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1495 0, /* tp_free */
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1496 };
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1497
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1498 #endif /* HAVE_EPOLL */
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1499
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1500 #ifdef HAVE_KQUEUE
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1501 /* **************************************************************************
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1502 * kqueue interface for BSD
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1503 *
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1504 * Copyright (c) 2000 Doug White, 2006 James Knight, 2007 Christian Heimes
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1505 * All rights reserved.
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1506 *
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1507 * Redistribution and use in source and binary forms, with or without
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1508 * modification, are permitted provided that the following conditions
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1509 * are met:
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1510 * 1. Redistributions of source code must retain the above copyright
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1511 * notice, this list of conditions and the following disclaimer.
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1512 * 2. Redistributions in binary form must reproduce the above copyright
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1513 * notice, this list of conditions and the following disclaimer in the
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1514 * documentation and/or other materials provided with the distribution.
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1515 *
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1516 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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1517 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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1518 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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1519 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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1520 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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1521 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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1522 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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1523 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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1524 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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1525 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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1526 * SUCH DAMAGE.
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1527 */
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1528
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1529 #ifdef HAVE_SYS_EVENT_H
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1530 #include <sys/event.h>
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1531 #endif
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1532
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1533 PyDoc_STRVAR(kqueue_event_doc,
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1534 "kevent(ident, filter=KQ_FILTER_READ, flags=KQ_EV_ADD, fflags=0, data=0, udata=0)\n\
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1535 \n\
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1536 This object is the equivalent of the struct kevent for the C API.\n\
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1537 \n\
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1538 See the kqueue manpage for more detailed information about the meaning\n\
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1539 of the arguments.\n\
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1540 \n\
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1541 One minor note: while you might hope that udata could store a\n\
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1542 reference to a python object, it cannot, because it is impossible to\n\
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1543 keep a proper reference count of the object once it's passed into the\n\
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1544 kernel. Therefore, I have restricted it to only storing an integer. I\n\
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1545 recommend ignoring it and simply using the 'ident' field to key off\n\
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1546 of. You could also set up a dictionary on the python side to store a\n\
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1547 udata->object mapping.");
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1548
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1549 typedef struct {
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1550 PyObject_HEAD
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1551 struct kevent e;
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1552 } kqueue_event_Object;
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1553
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1554 static PyTypeObject kqueue_event_Type;
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1555
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1556 #define kqueue_event_Check(op) (PyObject_TypeCheck((op), &kqueue_event_Type))
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1557
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1558 typedef struct {
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1559 PyObject_HEAD
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1560 SOCKET kqfd; /* kqueue control fd */
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1561 } kqueue_queue_Object;
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1562
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1563 static PyTypeObject kqueue_queue_Type;
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1564
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1565 #define kqueue_queue_Check(op) (PyObject_TypeCheck((op), &kqueue_queue_Type))
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1566
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1567 #if (SIZEOF_UINTPTR_T != SIZEOF_VOID_P)
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1568 # error uintptr_t does not match void *!
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1569 #elif (SIZEOF_UINTPTR_T == SIZEOF_LONG_LONG)
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1570 # define T_UINTPTRT T_ULONGLONG
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1571 # define T_INTPTRT T_LONGLONG
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1572 # define PyLong_AsUintptr_t PyLong_AsUnsignedLongLong
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1573 # define UINTPTRT_FMT_UNIT "K"
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1574 # define INTPTRT_FMT_UNIT "L"
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1575 #elif (SIZEOF_UINTPTR_T == SIZEOF_LONG)
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1576 # define T_UINTPTRT T_ULONG
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1577 # define T_INTPTRT T_LONG
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1578 # define PyLong_AsUintptr_t PyLong_AsUnsignedLong
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1579 # define UINTPTRT_FMT_UNIT "k"
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1580 # define INTPTRT_FMT_UNIT "l"
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1581 #elif (SIZEOF_UINTPTR_T == SIZEOF_INT)
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1582 # define T_UINTPTRT T_UINT
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1583 # define T_INTPTRT T_INT
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1584 # define PyLong_AsUintptr_t PyLong_AsUnsignedLong
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1585 # define UINTPTRT_FMT_UNIT "I"
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1586 # define INTPTRT_FMT_UNIT "i"
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1587 #else
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1588 # error uintptr_t does not match int, long, or long long!
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1589 #endif
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1590
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1591 /* Unfortunately, we can't store python objects in udata, because
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1592 * kevents in the kernel can be removed without warning, which would
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1593 * forever lose the refcount on the object stored with it.
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1594 */
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1595
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1596 #define KQ_OFF(x) offsetof(kqueue_event_Object, x)
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1597 static struct PyMemberDef kqueue_event_members[] = {
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1598 {"ident", T_UINTPTRT, KQ_OFF(e.ident)},
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1599 {"filter", T_SHORT, KQ_OFF(e.filter)},
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1600 {"flags", T_USHORT, KQ_OFF(e.flags)},
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1601 {"fflags", T_UINT, KQ_OFF(e.fflags)},
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1602 {"data", T_INTPTRT, KQ_OFF(e.data)},
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1603 {"udata", T_UINTPTRT, KQ_OFF(e.udata)},
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1604 {NULL} /* Sentinel */
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1605 };
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1606 #undef KQ_OFF
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1607
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1608 static PyObject *
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1609
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1610 kqueue_event_repr(kqueue_event_Object *s)
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1611 {
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1612 char buf[1024];
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1613 PyOS_snprintf(
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1614 buf, sizeof(buf),
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1615 "<select.kevent ident=%zu filter=%d flags=0x%x fflags=0x%x "
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1616 "data=0x%zd udata=%p>",
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1617 (size_t)(s->e.ident), s->e.filter, s->e.flags,
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1618 s->e.fflags, (Py_ssize_t)(s->e.data), s->e.udata);
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1619 return PyUnicode_FromString(buf);
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1620 }
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1621
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1622 static int
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1623 kqueue_event_init(kqueue_event_Object *self, PyObject *args, PyObject *kwds)
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1624 {
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1625 PyObject *pfd;
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1626 static char *kwlist[] = {"ident", "filter", "flags", "fflags",
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1627 "data", "udata", NULL};
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1628 static char *fmt = "O|hhi" INTPTRT_FMT_UNIT UINTPTRT_FMT_UNIT ":kevent";
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1629
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1630 EV_SET(&(self->e), 0, EVFILT_READ, EV_ADD, 0, 0, 0); /* defaults */
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1631
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1632 if (!PyArg_ParseTupleAndKeywords(args, kwds, fmt, kwlist,
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1633 &pfd, &(self->e.filter), &(self->e.flags),
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1634 &(self->e.fflags), &(self->e.data), &(self->e.udata))) {
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1635 return -1;
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1636 }
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1637
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1638 if (PyLong_Check(pfd)) {
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1639 self->e.ident = PyLong_AsUintptr_t(pfd);
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1640 }
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1641 else {
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1642 self->e.ident = PyObject_AsFileDescriptor(pfd);
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1643 }
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1644 if (PyErr_Occurred()) {
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1645 return -1;
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1646 }
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1647 return 0;
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1648 }
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1649
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1650 static PyObject *
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1651 kqueue_event_richcompare(kqueue_event_Object *s, kqueue_event_Object *o,
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1652 int op)
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1653 {
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1654 Py_intptr_t result = 0;
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1655
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1656 if (!kqueue_event_Check(o)) {
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1657 if (op == Py_EQ || op == Py_NE) {
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1658 PyObject *res = op == Py_EQ ? Py_False : Py_True;
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1659 Py_INCREF(res);
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1660 return res;
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1661 }
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1662 PyErr_Format(PyExc_TypeError,
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1663 "can't compare %.200s to %.200s",
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1664 Py_TYPE(s)->tp_name, Py_TYPE(o)->tp_name);
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1665 return NULL;
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1666 }
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1667 if (((result = s->e.ident - o->e.ident) == 0) &&
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1668 ((result = s->e.filter - o->e.filter) == 0) &&
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1669 ((result = s->e.flags - o->e.flags) == 0) &&
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1670 ((result = s->e.fflags - o->e.fflags) == 0) &&
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1671 ((result = s->e.data - o->e.data) == 0) &&
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1672 ((result = s->e.udata - o->e.udata) == 0)
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1673 ) {
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1674 result = 0;
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1675 }
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1676
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1677 switch (op) {
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1678 case Py_EQ:
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1679 result = (result == 0);
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1680 break;
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1681 case Py_NE:
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1682 result = (result != 0);
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1683 break;
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1684 case Py_LE:
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1685 result = (result <= 0);
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1686 break;
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1687 case Py_GE:
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1688 result = (result >= 0);
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1689 break;
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1690 case Py_LT:
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1691 result = (result < 0);
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1692 break;
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1693 case Py_GT:
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1694 result = (result > 0);
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1695 break;
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1696 }
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1697 return PyBool_FromLong((long)result);
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1698 }
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1699
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1700 static PyTypeObject kqueue_event_Type = {
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1701 PyVarObject_HEAD_INIT(NULL, 0)
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1702 "select.kevent", /* tp_name */
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1703 sizeof(kqueue_event_Object), /* tp_basicsize */
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1704 0, /* tp_itemsize */
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1705 0, /* tp_dealloc */
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1706 0, /* tp_print */
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1707 0, /* tp_getattr */
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1708 0, /* tp_setattr */
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1709 0, /* tp_reserved */
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1710 (reprfunc)kqueue_event_repr, /* tp_repr */
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1711 0, /* tp_as_number */
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1712 0, /* tp_as_sequence */
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1713 0, /* tp_as_mapping */
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1714 0, /* tp_hash */
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1715 0, /* tp_call */
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1716 0, /* tp_str */
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1717 0, /* tp_getattro */
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1718 0, /* tp_setattro */
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1719 0, /* tp_as_buffer */
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1720 Py_TPFLAGS_DEFAULT, /* tp_flags */
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1721 kqueue_event_doc, /* tp_doc */
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1722 0, /* tp_traverse */
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1723 0, /* tp_clear */
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1724 (richcmpfunc)kqueue_event_richcompare, /* tp_richcompare */
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1725 0, /* tp_weaklistoffset */
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1726 0, /* tp_iter */
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1727 0, /* tp_iternext */
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1728 0, /* tp_methods */
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1729 kqueue_event_members, /* tp_members */
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1730 0, /* tp_getset */
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1731 0, /* tp_base */
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1732 0, /* tp_dict */
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1733 0, /* tp_descr_get */
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1734 0, /* tp_descr_set */
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1735 0, /* tp_dictoffset */
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1736 (initproc)kqueue_event_init, /* tp_init */
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1737 0, /* tp_alloc */
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1738 0, /* tp_new */
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1739 0, /* tp_free */
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1740 };
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1741
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1742 static PyObject *
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1743 kqueue_queue_err_closed(void)
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1744 {
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1745 PyErr_SetString(PyExc_ValueError, "I/O operation on closed kqueue fd");
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1746 return NULL;
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1747 }
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1748
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1749 static int
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1750 kqueue_queue_internal_close(kqueue_queue_Object *self)
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1751 {
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1752 int save_errno = 0;
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1753 if (self->kqfd >= 0) {
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1754 int kqfd = self->kqfd;
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1755 self->kqfd = -1;
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1756 Py_BEGIN_ALLOW_THREADS
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1757 if (close(kqfd) < 0)
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1758 save_errno = errno;
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1759 Py_END_ALLOW_THREADS
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1760 }
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1761 return save_errno;
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1762 }
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1763
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1764 static PyObject *
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1765 newKqueue_Object(PyTypeObject *type, SOCKET fd)
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1766 {
61467
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1767 kqueue_queue_Object *self;
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1768 assert(type != NULL && type->tp_alloc != NULL);
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1769 self = (kqueue_queue_Object *) type->tp_alloc(type, 0);
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1770 if (self == NULL) {
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1771 return NULL;
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1772 }
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1773
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1774 if (fd == -1) {
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1775 Py_BEGIN_ALLOW_THREADS
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1776 self->kqfd = kqueue();
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1777 Py_END_ALLOW_THREADS
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1778 }
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1779 else {
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1780 self->kqfd = fd;
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1781 }
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1782 if (self->kqfd < 0) {
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1783 Py_DECREF(self);
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1784 PyErr_SetFromErrno(PyExc_OSError);
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1785 return NULL;
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1786 }
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1787 return (PyObject *)self;
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1788 }
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1789
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1790 static PyObject *
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1791 kqueue_queue_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
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1792 {
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1793
61467
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1794 if ((args != NULL && PyObject_Size(args)) ||
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1795 (kwds != NULL && PyObject_Size(kwds))) {
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1796 PyErr_SetString(PyExc_ValueError,
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1797 "select.kqueue doesn't accept arguments");
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1798 return NULL;
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1799 }
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1800
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1801 return newKqueue_Object(type, -1);
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1802 }
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1803
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1804 static void
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1805 kqueue_queue_dealloc(kqueue_queue_Object *self)
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1806 {
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1807 kqueue_queue_internal_close(self);
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1808 Py_TYPE(self)->tp_free(self);
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1809 }
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1810
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1811 static PyObject*
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1812 kqueue_queue_close(kqueue_queue_Object *self)
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1813 {
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1814 errno = kqueue_queue_internal_close(self);
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1815 if (errno < 0) {
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1816 PyErr_SetFromErrno(PyExc_OSError);
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1817 return NULL;
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1818 }
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1819 Py_RETURN_NONE;
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1820 }
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1821
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1822 PyDoc_STRVAR(kqueue_queue_close_doc,
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1823 "close() -> None\n\
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1824 \n\
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1825 Close the kqueue control file descriptor. Further operations on the kqueue\n\
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1826 object will raise an exception.");
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1827
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1828 static PyObject*
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1829 kqueue_queue_get_closed(kqueue_queue_Object *self)
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1830 {
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1831 if (self->kqfd < 0)
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1832 Py_RETURN_TRUE;
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1833 else
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1834 Py_RETURN_FALSE;
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1835 }
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1836
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1837 static PyObject*
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1838 kqueue_queue_fileno(kqueue_queue_Object *self)
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1839 {
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1840 if (self->kqfd < 0)
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diff changeset
1841 return kqueue_queue_err_closed();
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diff changeset
1842 return PyLong_FromLong(self->kqfd);
45996
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diff changeset
1843 }
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diff changeset
1844
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
1845 PyDoc_STRVAR(kqueue_queue_fileno_doc,
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parents: 44469
diff changeset
1846 "fileno() -> int\n\
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parents: 44469
diff changeset
1847 \n\
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parents: 44469
diff changeset
1848 Return the kqueue control file descriptor.");
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diff changeset
1849
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
1850 static PyObject*
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diff changeset
1851 kqueue_queue_fromfd(PyObject *cls, PyObject *args)
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diff changeset
1852 {
61467
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diff changeset
1853 SOCKET fd;
45996
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diff changeset
1854
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diff changeset
1855 if (!PyArg_ParseTuple(args, "i:fromfd", &fd))
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diff changeset
1856 return NULL;
45996
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diff changeset
1857
61467
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diff changeset
1858 return newKqueue_Object((PyTypeObject*)cls, fd);
45996
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diff changeset
1859 }
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diff changeset
1860
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diff changeset
1861 PyDoc_STRVAR(kqueue_queue_fromfd_doc,
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parents: 44469
diff changeset
1862 "fromfd(fd) -> kqueue\n\
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parents: 44469
diff changeset
1863 \n\
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parents: 44469
diff changeset
1864 Create a kqueue object from a given control fd.");
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parents: 44469
diff changeset
1865
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diff changeset
1866 static PyObject *
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parents: 44469
diff changeset
1867 kqueue_queue_control(kqueue_queue_Object *self, PyObject *args)
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diff changeset
1868 {
61467
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1869 int nevents = 0;
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diff changeset
1870 int gotevents = 0;
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1871 int nchanges = 0;
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diff changeset
1872 int i = 0;
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diff changeset
1873 PyObject *otimeout = NULL;
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diff changeset
1874 PyObject *ch = NULL;
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diff changeset
1875 PyObject *it = NULL, *ei = NULL;
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diff changeset
1876 PyObject *result = NULL;
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diff changeset
1877 struct kevent *evl = NULL;
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1878 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
1879 struct timespec timeout;
61467
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1880 struct timespec *ptimeoutspec;
45996
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1881
61467
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1882 if (self->kqfd < 0)
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1883 return kqueue_queue_err_closed();
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1884
61467
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1885 if (!PyArg_ParseTuple(args, "Oi|O:control", &ch, &nevents, &otimeout))
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1886 return NULL;
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1887
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1888 if (nevents < 0) {
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1889 PyErr_Format(PyExc_ValueError,
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diff changeset
1890 "Length of eventlist must be 0 or positive, got %d",
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diff changeset
1891 nevents);
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1892 return NULL;
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1893 }
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1894
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1895 if (otimeout == Py_None || otimeout == NULL) {
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1896 ptimeoutspec = NULL;
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diff changeset
1897 }
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1898 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
1899 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>
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diff changeset
1900 &timeout.tv_sec, &timeout.tv_nsec) == -1)
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1901 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
1902
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
1903 if (timeout.tv_sec < 0) {
61467
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1904 PyErr_SetString(PyExc_ValueError,
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diff changeset
1905 "timeout must be positive or None");
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1906 return NULL;
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1907 }
75593
cb1c877a27f2 Issue #14180: Fix another typo in kqueue_queue_control()
Victor Stinner <vstinner@wyplay.com>
parents: 75592
diff changeset
1908 ptimeoutspec = &timeout;
61467
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1909 }
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1910 else {
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1911 PyErr_Format(PyExc_TypeError,
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diff changeset
1912 "timeout argument must be an number "
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1913 "or None, got %.200s",
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1914 Py_TYPE(otimeout)->tp_name);
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1915 return NULL;
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1916 }
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1917
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1918 if (ch != NULL && ch != Py_None) {
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1919 it = PyObject_GetIter(ch);
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1920 if (it == NULL) {
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1921 PyErr_SetString(PyExc_TypeError,
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diff changeset
1922 "changelist is not iterable");
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1923 return NULL;
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1924 }
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1925 nchanges = PyObject_Size(ch);
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1926 if (nchanges < 0) {
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1927 goto error;
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1928 }
59616
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1929
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1930 chl = PyMem_New(struct kevent, nchanges);
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1931 if (chl == NULL) {
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1932 PyErr_NoMemory();
61466
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1933 goto error;
61467
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1934 }
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1935 i = 0;
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1936 while ((ei = PyIter_Next(it)) != NULL) {
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1937 if (!kqueue_event_Check(ei)) {
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1938 Py_DECREF(ei);
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1939 PyErr_SetString(PyExc_TypeError,
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1940 "changelist must be an iterable of "
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diff changeset
1941 "select.kevent objects");
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1942 goto error;
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1943 } else {
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1944 chl[i++] = ((kqueue_event_Object *)ei)->e;
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diff changeset
1945 }
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1946 Py_DECREF(ei);
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1947 }
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1948 }
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1949 Py_CLEAR(it);
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1950
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1951 /* event list */
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1952 if (nevents) {
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1953 evl = PyMem_New(struct kevent, nevents);
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1954 if (evl == NULL) {
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1955 PyErr_NoMemory();
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1956 goto error;
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1957 }
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1958 }
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1959
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1960 Py_BEGIN_ALLOW_THREADS
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1961 gotevents = kevent(self->kqfd, chl, nchanges,
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1962 evl, nevents, ptimeoutspec);
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1963 Py_END_ALLOW_THREADS
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1964
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1965 if (gotevents == -1) {
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1966 PyErr_SetFromErrno(PyExc_OSError);
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1967 goto error;
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1968 }
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1969
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1970 result = PyList_New(gotevents);
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1971 if (result == NULL) {
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1972 goto error;
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1973 }
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1974
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1975 for (i = 0; i < gotevents; i++) {
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1976 kqueue_event_Object *ch;
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1977
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1978 ch = PyObject_New(kqueue_event_Object, &kqueue_event_Type);
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1979 if (ch == NULL) {
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1980 goto error;
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1981 }
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1982 ch->e = evl[i];
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1983 PyList_SET_ITEM(result, i, (PyObject *)ch);
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1984 }
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1985 PyMem_Free(chl);
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1986 PyMem_Free(evl);
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1987 return result;
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1988
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1989 error:
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1990 PyMem_Free(chl);
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1991 PyMem_Free(evl);
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1992 Py_XDECREF(result);
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1993 Py_XDECREF(it);
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1994 return NULL;
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1995 }
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1996
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1997 PyDoc_STRVAR(kqueue_queue_control_doc,
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1998 "control(changelist, max_events[, timeout=None]) -> eventlist\n\
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1999 \n\
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2000 Calls the kernel kevent function.\n\
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2001 - changelist must be a list of kevent objects describing the changes\n\
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2002 to be made to the kernel's watch list or None.\n\
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2003 - max_events lets you specify the maximum number of events that the\n\
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2004 kernel will return.\n\
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2005 - timeout is the maximum time to wait in seconds, or else None,\n\
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2006 to wait forever. timeout accepts floats for smaller timeouts, too.");
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2007
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2008
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2009 static PyMethodDef kqueue_queue_methods[] = {
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2010 {"fromfd", (PyCFunction)kqueue_queue_fromfd,
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2011 METH_VARARGS | METH_CLASS, kqueue_queue_fromfd_doc},
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2012 {"close", (PyCFunction)kqueue_queue_close, METH_NOARGS,
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2013 kqueue_queue_close_doc},
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2014 {"fileno", (PyCFunction)kqueue_queue_fileno, METH_NOARGS,
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2015 kqueue_queue_fileno_doc},
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2016 {"control", (PyCFunction)kqueue_queue_control,
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2017 METH_VARARGS , kqueue_queue_control_doc},
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2018 {NULL, NULL},
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2019 };
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2020
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2021 static PyGetSetDef kqueue_queue_getsetlist[] = {
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2022 {"closed", (getter)kqueue_queue_get_closed, NULL,
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2023 "True if the kqueue handler is closed"},
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2024 {0},
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2025 };
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2026
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2027 PyDoc_STRVAR(kqueue_queue_doc,
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2028 "Kqueue syscall wrapper.\n\
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2029 \n\
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2030 For example, to start watching a socket for input:\n\
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2031 >>> kq = kqueue()\n\
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2032 >>> sock = socket()\n\
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2033 >>> sock.connect((host, port))\n\
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2034 >>> kq.control([kevent(sock, KQ_FILTER_WRITE, KQ_EV_ADD)], 0)\n\
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2035 \n\
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2036 To wait one second for it to become writeable:\n\
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2037 >>> kq.control(None, 1, 1000)\n\
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2038 \n\
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2039 To stop listening:\n\
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2040 >>> kq.control([kevent(sock, KQ_FILTER_WRITE, KQ_EV_DELETE)], 0)");
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2041
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2042 static PyTypeObject kqueue_queue_Type = {
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2043 PyVarObject_HEAD_INIT(NULL, 0)
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2044 "select.kqueue", /* tp_name */
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2045 sizeof(kqueue_queue_Object), /* tp_basicsize */
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2046 0, /* tp_itemsize */
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2047 (destructor)kqueue_queue_dealloc, /* tp_dealloc */
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2048 0, /* tp_print */
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2049 0, /* tp_getattr */
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2050 0, /* tp_setattr */
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2051 0, /* tp_reserved */
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2052 0, /* tp_repr */
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2053 0, /* tp_as_number */
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2054 0, /* tp_as_sequence */
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2055 0, /* tp_as_mapping */
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2056 0, /* tp_hash */
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2057 0, /* tp_call */
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2058 0, /* tp_str */
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2059 0, /* tp_getattro */
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2060 0, /* tp_setattro */
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2061 0, /* tp_as_buffer */
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parents: 60425
diff changeset
2062 Py_TPFLAGS_DEFAULT, /* tp_flags */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2063 kqueue_queue_doc, /* tp_doc */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2064 0, /* tp_traverse */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2065 0, /* tp_clear */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2066 0, /* tp_richcompare */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2067 0, /* tp_weaklistoffset */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2068 0, /* tp_iter */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2069 0, /* tp_iternext */
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parents: 60425
diff changeset
2070 kqueue_queue_methods, /* tp_methods */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2071 0, /* tp_members */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2072 kqueue_queue_getsetlist, /* tp_getset */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2073 0, /* tp_base */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2074 0, /* tp_dict */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2075 0, /* tp_descr_get */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2076 0, /* tp_descr_set */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2077 0, /* tp_dictoffset */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2078 0, /* tp_init */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2079 0, /* tp_alloc */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2080 kqueue_queue_new, /* tp_new */
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2081 0, /* tp_free */
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2082 };
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>
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diff changeset
2083
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
2084 #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
2085
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2086
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2087
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2088
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2089
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2090 /* ************************************************************************ */
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2091
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23607
diff changeset
2092 PyDoc_STRVAR(select_doc,
8570
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2093 "select(rlist, wlist, xlist[, timeout]) -> (rlist, wlist, xlist)\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2094 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2095 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
2096 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
2097 rlist -- wait until ready for reading\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2098 wlist -- wait until ready for writing\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2099 xlist -- wait for an ``exceptional condition''\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2100 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
2101 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
2102 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
2103 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2104 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
2105 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
2106 or None, the call will never time out.\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2107 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2108 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
2109 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
2110 that are ready.\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2111 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2112 *** IMPORTANT NOTICE ***\n\
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2113 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
2114 descriptors can be used.");
8570
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Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2115
4692
cb405b9696d4 Several changes... Guido *please* take a look!
Barry Warsaw <barry@python.org>
parents: 4621
diff changeset
2116 static PyMethodDef select_methods[] = {
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2117 {"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
2118 #if defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)
61467
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2119 {"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
2120 #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
2121 #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
2122 {"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
2123 #endif
61467
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parents: 60425
diff changeset
2124 {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
2125 };
a4793ae26682 Changes for new UNIX-specific built-in module 'select' and new header for
Guido van Rossum <guido@python.org>
parents:
diff changeset
2126
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23607
diff changeset
2127 PyDoc_STRVAR(module_doc,
8570
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2128 "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
2129 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2130 *** IMPORTANT NOTICE ***\n\
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38489
diff changeset
2131 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
2132
47580
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2133
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2134 static struct PyModuleDef selectmodule = {
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2135 PyModuleDef_HEAD_INIT,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2136 "select",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2137 module_doc,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2138 -1,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2139 select_methods,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2140 NULL,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2141 NULL,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2142 NULL,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2143 NULL
47580
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2144 };
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2145
73549
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2146
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2147
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2148
24363
979ff5d0ae07 Replace DL_IMPORT with PyMODINIT_FUNC and remove "/export:init..." link
Mark Hammond <mhammond@skippinet.com.au>
parents: 24283
diff changeset
2149 PyMODINIT_FUNC
47580
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2150 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
2151 {
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2152 PyObject *m;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2153 m = PyModule_Create(&selectmodule);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2154 if (m == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2155 return NULL;
22729
cdff3c7c1a76 Use the PyModule_Add*() APIs instead of manipulating the module dict
Fred Drake <fdrake@acm.org>
parents: 22114
diff changeset
2156
72879
41a1de81ef2b PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72116
diff changeset
2157 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
2158 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
2159
55179
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Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 55099
diff changeset
2160 #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
2161 #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
2162 #undef PIPE_BUF
3c4225bf87b4 #9862: On AIX PIPE_BUF is broken. Make it 512.
R. David Murray <rdmurray@bitdance.com>
parents: 63589
diff changeset
2163 #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
2164 #endif
61466
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parents: 60423
diff changeset
2165 PyModule_AddIntConstant(m, "PIPE_BUF", PIPE_BUF);
55179
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Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 55099
diff changeset
2166 #endif
55099
06b360a33d57 Merged revisions 73818 via svnmerge from
Gregory P. Smith <greg@mad-scientist.com>
parents: 51271
diff changeset
2167
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
2168 #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
2169 #ifdef __APPLE__
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2170 if (select_have_broken_poll()) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
2171 if (PyObject_DelAttrString(m, "poll") == -1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2172 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
2173 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2174 } else {
37935
e3a8a8de355e Patch 1471761 - test for broken poll at runtime
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 36501
diff changeset
2175 #else
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2176 {
37935
e3a8a8de355e Patch 1471761 - test for broken poll at runtime
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 36501
diff changeset
2177 #endif
61467
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parents: 60425
diff changeset
2178 if (PyType_Ready(&poll_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2179 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2180 PyModule_AddIntConstant(m, "POLLIN", POLLIN);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
2181 PyModule_AddIntConstant(m, "POLLPRI", POLLPRI);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
2182 PyModule_AddIntConstant(m, "POLLOUT", POLLOUT);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
2183 PyModule_AddIntConstant(m, "POLLERR", POLLERR);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2184 PyModule_AddIntConstant(m, "POLLHUP", POLLHUP);
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parents: 60425
diff changeset
2185 PyModule_AddIntConstant(m, "POLLNVAL", POLLNVAL);
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
2186
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
2187 #ifdef POLLRDNORM
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2188 PyModule_AddIntConstant(m, "POLLRDNORM", 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
2189 #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
2190 #ifdef POLLRDBAND
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2191 PyModule_AddIntConstant(m, "POLLRDBAND", 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
2192 #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
2193 #ifdef POLLWRNORM
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2194 PyModule_AddIntConstant(m, "POLLWRNORM", 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
2195 #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
2196 #ifdef POLLWRBAND
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2197 PyModule_AddIntConstant(m, "POLLWRBAND", 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
2198 #endif
14182
c85a80db6845 Not every OS that support poll seems to support POLLMSG.
Sjoerd Mullender <sjoerd@acm.org>
parents: 14174
diff changeset
2199 #ifdef POLLMSG
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2200 PyModule_AddIntConstant(m, "POLLMSG", POLLMSG);
14182
c85a80db6845 Not every OS that support poll seems to support POLLMSG.
Sjoerd Mullender <sjoerd@acm.org>
parents: 14174
diff changeset
2201 #endif
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2202 }
37935
e3a8a8de355e Patch 1471761 - test for broken poll at runtime
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 36501
diff changeset
2203 #endif /* HAVE_POLL */
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2204
73549
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2205 #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
2206 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
2207 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
2208 #endif
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2209
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2210 #ifdef HAVE_EPOLL
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2211 Py_TYPE(&pyEpoll_Type) = &PyType_Type;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2212 if (PyType_Ready(&pyEpoll_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2213 return NULL;
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2214
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2215 Py_INCREF(&pyEpoll_Type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2216 PyModule_AddObject(m, "epoll", (PyObject *) &pyEpoll_Type);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2217
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2218 PyModule_AddIntConstant(m, "EPOLLIN", EPOLLIN);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2219 PyModule_AddIntConstant(m, "EPOLLOUT", EPOLLOUT);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2220 PyModule_AddIntConstant(m, "EPOLLPRI", EPOLLPRI);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2221 PyModule_AddIntConstant(m, "EPOLLERR", EPOLLERR);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2222 PyModule_AddIntConstant(m, "EPOLLHUP", EPOLLHUP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2223 PyModule_AddIntConstant(m, "EPOLLET", EPOLLET);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2224 #ifdef EPOLLONESHOT
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2225 /* Kernel 2.6.2+ */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2226 PyModule_AddIntConstant(m, "EPOLLONESHOT", EPOLLONESHOT);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2227 #endif
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2228 /* PyModule_AddIntConstant(m, "EPOLL_RDHUP", EPOLLRDHUP); */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2229 PyModule_AddIntConstant(m, "EPOLLRDNORM", EPOLLRDNORM);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2230 PyModule_AddIntConstant(m, "EPOLLRDBAND", EPOLLRDBAND);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2231 PyModule_AddIntConstant(m, "EPOLLWRNORM", EPOLLWRNORM);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2232 PyModule_AddIntConstant(m, "EPOLLWRBAND", EPOLLWRBAND);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2233 PyModule_AddIntConstant(m, "EPOLLMSG", EPOLLMSG);
74183
b30a94f7e053 add a flags parameter to select.epoll
Benjamin Peterson <benjamin@python.org>
parents: 73549
diff changeset
2234
74187
0f9276411dce fix for old kernels which don't have epoll_create1
Benjamin Peterson <benjamin@python.org>
parents: 74183
diff changeset
2235 #ifdef EPOLL_CLOEXEC
74183
b30a94f7e053 add a flags parameter to select.epoll
Benjamin Peterson <benjamin@python.org>
parents: 73549
diff changeset
2236 PyModule_AddIntConstant(m, "EPOLL_CLOEXEC", EPOLL_CLOEXEC);
74187
0f9276411dce fix for old kernels which don't have epoll_create1
Benjamin Peterson <benjamin@python.org>
parents: 74183
diff changeset
2237 #endif
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2238 #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
2239
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
2240 #ifdef HAVE_KQUEUE
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2241 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
2242 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
2243 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
2244 return NULL;
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2245
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2246 Py_INCREF(&kqueue_event_Type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2247 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
2248
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2249 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
2250 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
2251 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2252 Py_INCREF(&kqueue_queue_Type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2253 PyModule_AddObject(m, "kqueue", (PyObject *)&kqueue_queue_Type);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2254
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2255 /* event filters */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2256 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
2257 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
2258 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
2259 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
2260 PyModule_AddIntConstant(m, "KQ_FILTER_PROC", EVFILT_PROC);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2261 #ifdef EVFILT_NETDEV
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2262 PyModule_AddIntConstant(m, "KQ_FILTER_NETDEV", EVFILT_NETDEV);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2263 #endif
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2264 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
2265 PyModule_AddIntConstant(m, "KQ_FILTER_TIMER", EVFILT_TIMER);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2266
61467
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2267 /* event flags */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2268 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
2269 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
2270 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
2271 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
2272 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
2273 PyModule_AddIntConstant(m, "KQ_EV_CLEAR", EV_CLEAR);
45996
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Christian Heimes <christian@cheimes.de>
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diff changeset
2274
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diff changeset
2275 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
2276 PyModule_AddIntConstant(m, "KQ_EV_FLAG1", EV_FLAG1);
45996
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Christian Heimes <christian@cheimes.de>
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diff changeset
2277
61467
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2278 PyModule_AddIntConstant(m, "KQ_EV_EOF", EV_EOF);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2279 PyModule_AddIntConstant(m, "KQ_EV_ERROR", EV_ERROR);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2280
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
2281 /* READ WRITE filter flag */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2282 PyModule_AddIntConstant(m, "KQ_NOTE_LOWAT", NOTE_LOWAT);
45996
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Christian Heimes <christian@cheimes.de>
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diff changeset
2283
61467
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diff changeset
2284 /* VNODE filter flags */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2285 PyModule_AddIntConstant(m, "KQ_NOTE_DELETE", NOTE_DELETE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2286 PyModule_AddIntConstant(m, "KQ_NOTE_WRITE", NOTE_WRITE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2287 PyModule_AddIntConstant(m, "KQ_NOTE_EXTEND", NOTE_EXTEND);
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2288 PyModule_AddIntConstant(m, "KQ_NOTE_ATTRIB", NOTE_ATTRIB);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2289 PyModule_AddIntConstant(m, "KQ_NOTE_LINK", NOTE_LINK);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2290 PyModule_AddIntConstant(m, "KQ_NOTE_RENAME", NOTE_RENAME);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2291 PyModule_AddIntConstant(m, "KQ_NOTE_REVOKE", NOTE_REVOKE);
45996
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diff changeset
2292
61467
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2293 /* PROC filter flags */
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2294 PyModule_AddIntConstant(m, "KQ_NOTE_EXIT", NOTE_EXIT);
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2295 PyModule_AddIntConstant(m, "KQ_NOTE_FORK", NOTE_FORK);
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2296 PyModule_AddIntConstant(m, "KQ_NOTE_EXEC", NOTE_EXEC);
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2297 PyModule_AddIntConstant(m, "KQ_NOTE_PCTRLMASK", NOTE_PCTRLMASK);
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2298 PyModule_AddIntConstant(m, "KQ_NOTE_PDATAMASK", NOTE_PDATAMASK);
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2299
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2300 PyModule_AddIntConstant(m, "KQ_NOTE_TRACK", NOTE_TRACK);
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2301 PyModule_AddIntConstant(m, "KQ_NOTE_CHILD", NOTE_CHILD);
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2302 PyModule_AddIntConstant(m, "KQ_NOTE_TRACKERR", NOTE_TRACKERR);
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2303
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2304 /* NETDEV filter flags */
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2305 #ifdef EVFILT_NETDEV
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2306 PyModule_AddIntConstant(m, "KQ_NOTE_LINKUP", NOTE_LINKUP);
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2307 PyModule_AddIntConstant(m, "KQ_NOTE_LINKDOWN", NOTE_LINKDOWN);
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2308 PyModule_AddIntConstant(m, "KQ_NOTE_LINKINV", NOTE_LINKINV);
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2309 #endif
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2310
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2311 #endif /* HAVE_KQUEUE */
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2312 return m;
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2313 }