annotate Modules/selectmodule.c @ 86109:b930b4e67c8a 3.3

Closes #11807: document argparse add_subparsers method better. Patch by Filip GruszczyƄski.
author Georg Brandl <georg@python.org>
date Sun, 06 Oct 2013 18:51:39 +0200
parents d5334d8907dc
children 8345fb616cbd
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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 #if defined(PYOS_OS2) && !defined(PYCC_GCC)
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51 #include <sys/time.h>
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52 #include <utils.h>
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53 #endif
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54
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55 #ifdef MS_WINDOWS
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56 # define WIN32_LEAN_AND_MEAN
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57 # include <winsock.h>
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58 #else
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59 # define SOCKET int
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60 # if defined(__VMS)
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61 # include <socket.h>
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62 # endif
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63 #endif
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64
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65 /* list of Python objects and their file descriptor */
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66 typedef struct {
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67 PyObject *obj; /* owned reference */
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68 SOCKET fd;
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69 int sentinel; /* -1 == sentinel */
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70 } pylist;
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71
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72 static void
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73 reap_obj(pylist fd2obj[FD_SETSIZE + 1])
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74 {
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75 int i;
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76 for (i = 0; i < FD_SETSIZE + 1 && fd2obj[i].sentinel >= 0; i++) {
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77 Py_XDECREF(fd2obj[i].obj);
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78 fd2obj[i].obj = NULL;
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79 }
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80 fd2obj[0].sentinel = -1;
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81 }
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82
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83
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84 /* returns -1 and sets the Python exception if an error occurred, otherwise
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85 returns a number >= 0
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86 */
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87 static int
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88 seq2set(PyObject *seq, fd_set *set, pylist fd2obj[FD_SETSIZE + 1])
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89 {
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90 int max = -1;
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91 int index = 0;
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92 Py_ssize_t i;
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93 PyObject* fast_seq = NULL;
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94 PyObject* o = NULL;
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95
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96 fd2obj[0].obj = (PyObject*)0; /* set list to zero size */
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97 FD_ZERO(set);
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98
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99 fast_seq = PySequence_Fast(seq, "arguments 1-3 must be sequences");
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100 if (!fast_seq)
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101 return -1;
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102
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103 for (i = 0; i < PySequence_Fast_GET_SIZE(fast_seq); i++) {
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104 SOCKET v;
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105
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106 /* any intervening fileno() calls could decr this refcnt */
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107 if (!(o = PySequence_Fast_GET_ITEM(fast_seq, i)))
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108 goto finally;
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109
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110 Py_INCREF(o);
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111 v = PyObject_AsFileDescriptor( o );
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112 if (v == -1) goto finally;
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113
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114 #if defined(_MSC_VER)
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115 max = 0; /* not used for Win32 */
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116 #else /* !_MSC_VER */
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117 if (!_PyIsSelectable_fd(v)) {
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118 PyErr_SetString(PyExc_ValueError,
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119 "filedescriptor out of range in select()");
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120 goto finally;
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121 }
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122 if (v > max)
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123 max = v;
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124 #endif /* _MSC_VER */
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125 FD_SET(v, set);
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126
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127 /* add object and its file descriptor to the list */
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128 if (index >= FD_SETSIZE) {
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129 PyErr_SetString(PyExc_ValueError,
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130 "too many file descriptors in select()");
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131 goto finally;
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132 }
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133 fd2obj[index].obj = o;
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134 fd2obj[index].fd = v;
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135 fd2obj[index].sentinel = 0;
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136 fd2obj[++index].sentinel = -1;
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137 }
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138 Py_DECREF(fast_seq);
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139 return max+1;
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140
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141 finally:
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142 Py_XDECREF(o);
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143 Py_DECREF(fast_seq);
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144 return -1;
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145 }
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146
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147 /* returns NULL and sets the Python exception if an error occurred */
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148 static PyObject *
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149 set2list(fd_set *set, pylist fd2obj[FD_SETSIZE + 1])
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150 {
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151 int i, j, count=0;
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152 PyObject *list, *o;
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153 SOCKET fd;
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154
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155 for (j = 0; fd2obj[j].sentinel >= 0; j++) {
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156 if (FD_ISSET(fd2obj[j].fd, set))
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157 count++;
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158 }
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159 list = PyList_New(count);
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160 if (!list)
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161 return NULL;
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162
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163 i = 0;
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164 for (j = 0; fd2obj[j].sentinel >= 0; j++) {
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165 fd = fd2obj[j].fd;
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166 if (FD_ISSET(fd, set)) {
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167 o = fd2obj[j].obj;
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168 fd2obj[j].obj = NULL;
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169 /* transfer ownership */
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170 if (PyList_SetItem(list, i, o) < 0)
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171 goto finally;
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172
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173 i++;
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174 }
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175 }
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176 return list;
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177 finally:
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178 Py_DECREF(list);
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179 return NULL;
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180 }
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181
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182 #undef SELECT_USES_HEAP
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183 #if FD_SETSIZE > 1024
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184 #define SELECT_USES_HEAP
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185 #endif /* FD_SETSIZE > 1024 */
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186
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187 static PyObject *
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188 select_select(PyObject *self, PyObject *args)
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189 {
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190 #ifdef SELECT_USES_HEAP
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191 pylist *rfd2obj, *wfd2obj, *efd2obj;
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192 #else /* !SELECT_USES_HEAP */
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193 /* XXX: All this should probably be implemented as follows:
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194 * - find the highest descriptor we're interested in
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195 * - add one
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196 * - that's the size
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197 * See: Stevens, APitUE, $12.5.1
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198 */
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199 pylist rfd2obj[FD_SETSIZE + 1];
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200 pylist wfd2obj[FD_SETSIZE + 1];
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201 pylist efd2obj[FD_SETSIZE + 1];
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202 #endif /* SELECT_USES_HEAP */
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203 PyObject *ifdlist, *ofdlist, *efdlist;
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204 PyObject *ret = NULL;
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205 PyObject *tout = Py_None;
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206 fd_set ifdset, ofdset, efdset;
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207 struct timeval tv, *tvp;
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208 int imax, omax, emax, max;
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209 int n;
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210
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211 /* convert arguments */
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212 if (!PyArg_UnpackTuple(args, "select", 3, 4,
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213 &ifdlist, &ofdlist, &efdlist, &tout))
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214 return NULL;
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215
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216 if (tout == Py_None)
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217 tvp = (struct timeval *)0;
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218 else if (!PyNumber_Check(tout)) {
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219 PyErr_SetString(PyExc_TypeError,
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220 "timeout must be a float or None");
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221 return NULL;
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222 }
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223 else {
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224 #ifdef MS_WINDOWS
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225 time_t sec;
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226 if (_PyTime_ObjectToTimeval(tout, &sec, &tv.tv_usec) == -1)
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227 return NULL;
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228 assert(sizeof(tv.tv_sec) == sizeof(long));
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229 #if SIZEOF_TIME_T > SIZEOF_LONG
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230 if (sec > LONG_MAX) {
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231 PyErr_SetString(PyExc_OverflowError,
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232 "timeout is too large");
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233 return NULL;
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234 }
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235 #endif
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236 tv.tv_sec = (long)sec;
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237 #else
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238 /* 64-bit OS X has struct timeval.tv_usec as an int (and thus still 4
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239 bytes as required), but no longer defined by a long. */
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240 long tv_usec;
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241 if (_PyTime_ObjectToTimeval(tout, &tv.tv_sec, &tv_usec) == -1)
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242 return NULL;
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243 tv.tv_usec = tv_usec;
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244 #endif
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245 if (tv.tv_sec < 0) {
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246 PyErr_SetString(PyExc_ValueError, "timeout must be non-negative");
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247 return NULL;
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248 }
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249 tvp = &tv;
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250 }
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251
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252
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253 #ifdef SELECT_USES_HEAP
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254 /* Allocate memory for the lists */
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255 rfd2obj = PyMem_NEW(pylist, FD_SETSIZE + 1);
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256 wfd2obj = PyMem_NEW(pylist, FD_SETSIZE + 1);
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257 efd2obj = PyMem_NEW(pylist, FD_SETSIZE + 1);
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258 if (rfd2obj == NULL || wfd2obj == NULL || efd2obj == NULL) {
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259 if (rfd2obj) PyMem_DEL(rfd2obj);
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260 if (wfd2obj) PyMem_DEL(wfd2obj);
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261 if (efd2obj) PyMem_DEL(efd2obj);
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262 return PyErr_NoMemory();
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263 }
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264 #endif /* SELECT_USES_HEAP */
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265 /* Convert sequences to fd_sets, and get maximum fd number
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266 * propagates the Python exception set in seq2set()
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267 */
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268 rfd2obj[0].sentinel = -1;
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269 wfd2obj[0].sentinel = -1;
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270 efd2obj[0].sentinel = -1;
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271 if ((imax=seq2set(ifdlist, &ifdset, rfd2obj)) < 0)
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272 goto finally;
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273 if ((omax=seq2set(ofdlist, &ofdset, wfd2obj)) < 0)
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274 goto finally;
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275 if ((emax=seq2set(efdlist, &efdset, efd2obj)) < 0)
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276 goto finally;
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277 max = imax;
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278 if (omax > max) max = omax;
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279 if (emax > max) max = emax;
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280
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281 Py_BEGIN_ALLOW_THREADS
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282 n = select(max, &ifdset, &ofdset, &efdset, tvp);
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283 Py_END_ALLOW_THREADS
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284
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285 #ifdef MS_WINDOWS
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286 if (n == SOCKET_ERROR) {
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287 PyErr_SetExcFromWindowsErr(PyExc_OSError, WSAGetLastError());
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288 }
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289 #else
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290 if (n < 0) {
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291 PyErr_SetFromErrno(PyExc_OSError);
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292 }
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293 #endif
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294 else {
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295 /* any of these three calls can raise an exception. it's more
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296 convenient to test for this after all three calls... but
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297 is that acceptable?
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298 */
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299 ifdlist = set2list(&ifdset, rfd2obj);
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300 ofdlist = set2list(&ofdset, wfd2obj);
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301 efdlist = set2list(&efdset, efd2obj);
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302 if (PyErr_Occurred())
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303 ret = NULL;
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304 else
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305 ret = PyTuple_Pack(3, ifdlist, ofdlist, efdlist);
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306
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307 Py_DECREF(ifdlist);
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308 Py_DECREF(ofdlist);
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309 Py_DECREF(efdlist);
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310 }
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311
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312 finally:
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313 reap_obj(rfd2obj);
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314 reap_obj(wfd2obj);
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315 reap_obj(efd2obj);
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316 #ifdef SELECT_USES_HEAP
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317 PyMem_DEL(rfd2obj);
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318 PyMem_DEL(wfd2obj);
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319 PyMem_DEL(efd2obj);
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320 #endif /* SELECT_USES_HEAP */
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321 return ret;
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322 }
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323
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324 #if defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)
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325 /*
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326 * poll() support
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327 */
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328
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329 typedef struct {
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330 PyObject_HEAD
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331 PyObject *dict;
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332 int ufd_uptodate;
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333 int ufd_len;
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334 struct pollfd *ufds;
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072ba5df77e4 Issue #8865: Concurrent invocation of select.poll.poll() now raises a
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335 int poll_running;
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336 } pollObject;
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337
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338 static PyTypeObject poll_Type;
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339
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340 /* Update the malloc'ed array of pollfds to match the dictionary
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341 contained within a pollObject. Return 1 on success, 0 on an error.
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342 */
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343
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344 static int
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345 update_ufd_array(pollObject *self)
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346 {
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347 Py_ssize_t i, pos;
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348 PyObject *key, *value;
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349 struct pollfd *old_ufds = self->ufds;
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350
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351 self->ufd_len = PyDict_Size(self->dict);
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352 PyMem_RESIZE(self->ufds, struct pollfd, self->ufd_len);
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353 if (self->ufds == NULL) {
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354 self->ufds = old_ufds;
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355 PyErr_NoMemory();
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356 return 0;
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357 }
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358
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359 i = pos = 0;
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360 while (PyDict_Next(self->dict, &pos, &key, &value)) {
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361 assert(i < self->ufd_len);
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362 /* Never overflow */
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363 self->ufds[i].fd = (int)PyLong_AsLong(key);
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364 self->ufds[i].events = (short)PyLong_AsLong(value);
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365 i++;
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366 }
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367 assert(i == self->ufd_len);
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368 self->ufd_uptodate = 1;
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369 return 1;
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370 }
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371
23832
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Martin v. Löwis <martin@v.loewis.de>
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372 PyDoc_STRVAR(poll_register_doc,
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373 "register(fd [, eventmask] ) -> None\n\n\
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374 Register a file descriptor with the polling object.\n\
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375 fd -- either an integer, or an object with a fileno() method returning an\n\
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376 int.\n\
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377 events -- an optional bitmask describing the type of events to check for");
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378
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379 static PyObject *
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380 poll_register(pollObject *self, PyObject *args)
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381 {
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382 PyObject *o, *key, *value;
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383 int fd;
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384 short events = POLLIN | POLLPRI | POLLOUT;
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385 int err;
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386
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387 if (!PyArg_ParseTuple(args, "O|h:register", &o, &events)) {
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388 return NULL;
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389 }
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390
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391 fd = PyObject_AsFileDescriptor(o);
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392 if (fd == -1) return NULL;
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393
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394 /* Add entry to the internal dictionary: the key is the
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395 file descriptor, and the value is the event mask. */
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396 key = PyLong_FromLong(fd);
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397 if (key == NULL)
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398 return NULL;
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399 value = PyLong_FromLong(events);
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400 if (value == NULL) {
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401 Py_DECREF(key);
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402 return NULL;
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403 }
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404 err = PyDict_SetItem(self->dict, key, value);
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405 Py_DECREF(key);
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406 Py_DECREF(value);
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407 if (err < 0)
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408 return NULL;
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409
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410 self->ufd_uptodate = 0;
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411
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412 Py_INCREF(Py_None);
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413 return Py_None;
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414 }
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415
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416 PyDoc_STRVAR(poll_modify_doc,
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417 "modify(fd, eventmask) -> None\n\n\
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418 Modify an already registered file descriptor.\n\
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419 fd -- either an integer, or an object with a fileno() method returning an\n\
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420 int.\n\
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421 events -- an optional bitmask describing the type of events to check for");
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422
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423 static PyObject *
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424 poll_modify(pollObject *self, PyObject *args)
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425 {
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426 PyObject *o, *key, *value;
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427 int fd, events;
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428 int err;
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429
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430 if (!PyArg_ParseTuple(args, "Oi:modify", &o, &events)) {
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431 return NULL;
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432 }
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433
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434 fd = PyObject_AsFileDescriptor(o);
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435 if (fd == -1) return NULL;
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436
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437 /* Modify registered fd */
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438 key = PyLong_FromLong(fd);
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439 if (key == NULL)
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440 return NULL;
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441 if (PyDict_GetItem(self->dict, key) == NULL) {
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442 errno = ENOENT;
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443 PyErr_SetFromErrno(PyExc_OSError);
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444 Py_DECREF(key);
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445 return NULL;
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446 }
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447 value = PyLong_FromLong(events);
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448 if (value == NULL) {
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449 Py_DECREF(key);
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450 return NULL;
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451 }
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452 err = PyDict_SetItem(self->dict, key, value);
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453 Py_DECREF(key);
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454 Py_DECREF(value);
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455 if (err < 0)
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456 return NULL;
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457
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458 self->ufd_uptodate = 0;
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459
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460 Py_INCREF(Py_None);
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461 return Py_None;
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462 }
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463
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464
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465 PyDoc_STRVAR(poll_unregister_doc,
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466 "unregister(fd) -> None\n\n\
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467 Remove a file descriptor being tracked by the polling object.");
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468
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469 static PyObject *
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470 poll_unregister(pollObject *self, PyObject *o)
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471 {
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472 PyObject *key;
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473 int fd;
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474
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475 fd = PyObject_AsFileDescriptor( o );
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476 if (fd == -1)
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477 return NULL;
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478
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479 /* Check whether the fd is already in the array */
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480 key = PyLong_FromLong(fd);
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481 if (key == NULL)
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482 return NULL;
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483
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484 if (PyDict_DelItem(self->dict, key) == -1) {
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485 Py_DECREF(key);
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486 /* This will simply raise the KeyError set by PyDict_DelItem
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487 if the file descriptor isn't registered. */
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488 return NULL;
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489 }
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490
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491 Py_DECREF(key);
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492 self->ufd_uptodate = 0;
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493
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494 Py_INCREF(Py_None);
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495 return Py_None;
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496 }
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497
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498 PyDoc_STRVAR(poll_poll_doc,
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499 "poll( [timeout] ) -> list of (fd, event) 2-tuples\n\n\
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500 Polls the set of registered file descriptors, returning a list containing \n\
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501 any descriptors that have events or errors to report.");
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502
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503 static PyObject *
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504 poll_poll(pollObject *self, PyObject *args)
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505 {
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506 PyObject *result_list = NULL, *tout = NULL;
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507 int timeout = 0, poll_result, i, j;
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508 PyObject *value = NULL, *num = NULL;
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
509
61467
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diff changeset
510 if (!PyArg_UnpackTuple(args, "poll", 0, 1, &tout)) {
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diff changeset
511 return NULL;
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512 }
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35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
513
61467
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514 /* Check values for timeout */
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diff changeset
515 if (tout == NULL || tout == Py_None)
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diff changeset
516 timeout = -1;
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diff changeset
517 else if (!PyNumber_Check(tout)) {
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diff changeset
518 PyErr_SetString(PyExc_TypeError,
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diff changeset
519 "timeout must be an integer or None");
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diff changeset
520 return NULL;
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diff changeset
521 }
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522 else {
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523 tout = PyNumber_Long(tout);
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diff changeset
524 if (!tout)
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525 return NULL;
81587
974ace29ee2d Issue #15989: Fix several occurrences of integer overflow
Serhiy Storchaka <storchaka@gmail.com>
parents: 80161
diff changeset
526 timeout = _PyLong_AsInt(tout);
61467
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diff changeset
527 Py_DECREF(tout);
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diff changeset
528 if (timeout == -1 && PyErr_Occurred())
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529 return NULL;
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diff changeset
530 }
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
531
85281
072ba5df77e4 Issue #8865: Concurrent invocation of select.poll.poll() now raises a
Serhiy Storchaka <storchaka@gmail.com>
parents: 83652
diff changeset
532 /* Avoid concurrent poll() invocation, issue 8865 */
072ba5df77e4 Issue #8865: Concurrent invocation of select.poll.poll() now raises a
Serhiy Storchaka <storchaka@gmail.com>
parents: 83652
diff changeset
533 if (self->poll_running) {
072ba5df77e4 Issue #8865: Concurrent invocation of select.poll.poll() now raises a
Serhiy Storchaka <storchaka@gmail.com>
parents: 83652
diff changeset
534 PyErr_SetString(PyExc_RuntimeError,
072ba5df77e4 Issue #8865: Concurrent invocation of select.poll.poll() now raises a
Serhiy Storchaka <storchaka@gmail.com>
parents: 83652
diff changeset
535 "concurrent poll() invocation");
072ba5df77e4 Issue #8865: Concurrent invocation of select.poll.poll() now raises a
Serhiy Storchaka <storchaka@gmail.com>
parents: 83652
diff changeset
536 return NULL;
072ba5df77e4 Issue #8865: Concurrent invocation of select.poll.poll() now raises a
Serhiy Storchaka <storchaka@gmail.com>
parents: 83652
diff changeset
537 }
072ba5df77e4 Issue #8865: Concurrent invocation of select.poll.poll() now raises a
Serhiy Storchaka <storchaka@gmail.com>
parents: 83652
diff changeset
538
61467
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diff changeset
539 /* Ensure the ufd array is up to date */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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540 if (!self->ufd_uptodate)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
541 if (update_ufd_array(self) == 0)
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diff changeset
542 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
543
85281
072ba5df77e4 Issue #8865: Concurrent invocation of select.poll.poll() now raises a
Serhiy Storchaka <storchaka@gmail.com>
parents: 83652
diff changeset
544 self->poll_running = 1;
072ba5df77e4 Issue #8865: Concurrent invocation of select.poll.poll() now raises a
Serhiy Storchaka <storchaka@gmail.com>
parents: 83652
diff changeset
545
61467
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diff changeset
546 /* call poll() */
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parents: 60425
diff changeset
547 Py_BEGIN_ALLOW_THREADS
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
548 poll_result = poll(self->ufds, self->ufd_len, timeout);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
549 Py_END_ALLOW_THREADS
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parents: 60425
diff changeset
550
85281
072ba5df77e4 Issue #8865: Concurrent invocation of select.poll.poll() now raises a
Serhiy Storchaka <storchaka@gmail.com>
parents: 83652
diff changeset
551 self->poll_running = 0;
072ba5df77e4 Issue #8865: Concurrent invocation of select.poll.poll() now raises a
Serhiy Storchaka <storchaka@gmail.com>
parents: 83652
diff changeset
552
61467
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diff changeset
553 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
554 PyErr_SetFromErrno(PyExc_OSError);
61467
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diff changeset
555 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
556 }
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
557
61467
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
558 /* 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
559
61467
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560 result_list = PyList_New(poll_result);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
561 if (!result_list)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
562 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
563 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
564 for (i = 0, j = 0; j < poll_result; j++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
565 /* skip to the next fired descriptor */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
566 while (!self->ufds[i].revents) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
567 i++;
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diff changeset
568 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
569 /* if we hit a NULL return, set value to NULL
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
570 and break out of loop; code at end will
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
571 clean up result_list */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
572 value = PyTuple_New(2);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
573 if (value == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
574 goto error;
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diff changeset
575 num = PyLong_FromLong(self->ufds[i].fd);
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diff changeset
576 if (num == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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577 Py_DECREF(value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
578 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
579 }
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diff changeset
580 PyTuple_SET_ITEM(value, 0, num);
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diff changeset
581
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diff changeset
582 /* The &0xffff is a workaround for AIX. 'revents'
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
583 is a 16-bit short, and IBM assigned POLLNVAL
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
584 to be 0x8000, so the conversion to int results
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
585 in a negative number. See SF bug #923315. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
586 num = PyLong_FromLong(self->ufds[i].revents & 0xffff);
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diff changeset
587 if (num == NULL) {
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diff changeset
588 Py_DECREF(value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
589 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
590 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
591 PyTuple_SET_ITEM(value, 1, num);
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diff changeset
592 if ((PyList_SetItem(result_list, j, value)) == -1) {
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parents: 60425
diff changeset
593 Py_DECREF(value);
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parents: 60425
diff changeset
594 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
595 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
596 i++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
597 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
598 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
599 return result_list;
14174
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 error:
61467
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602 Py_DECREF(result_list);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
603 return NULL;
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
604 }
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
605
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
606 static PyMethodDef poll_methods[] = {
61467
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diff changeset
607 {"register", (PyCFunction)poll_register,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
608 METH_VARARGS, poll_register_doc},
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diff changeset
609 {"modify", (PyCFunction)poll_modify,
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diff changeset
610 METH_VARARGS, poll_modify_doc},
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diff changeset
611 {"unregister", (PyCFunction)poll_unregister,
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diff changeset
612 METH_O, poll_unregister_doc},
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diff changeset
613 {"poll", (PyCFunction)poll_poll,
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diff changeset
614 METH_VARARGS, poll_poll_doc},
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diff changeset
615 {NULL, NULL} /* sentinel */
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
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diff changeset
616 };
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
617
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
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diff changeset
618 static pollObject *
14277
984abd20eec2 Peter Schneider-Kamp <nowonder@nowonder.de>:
Fred Drake <fdrake@acm.org>
parents: 14182
diff changeset
619 newPollObject(void)
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
620 {
61467
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621 pollObject *self;
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622 self = PyObject_New(pollObject, &poll_Type);
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diff changeset
623 if (self == NULL)
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624 return NULL;
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625 /* ufd_uptodate is a Boolean, denoting whether the
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diff changeset
626 array pointed to by ufds matches the contents of the dictionary. */
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diff changeset
627 self->ufd_uptodate = 0;
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diff changeset
628 self->ufds = NULL;
85281
072ba5df77e4 Issue #8865: Concurrent invocation of select.poll.poll() now raises a
Serhiy Storchaka <storchaka@gmail.com>
parents: 83652
diff changeset
629 self->poll_running = 0;
61467
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630 self->dict = PyDict_New();
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diff changeset
631 if (self->dict == NULL) {
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diff changeset
632 Py_DECREF(self);
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633 return NULL;
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diff changeset
634 }
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diff changeset
635 return self;
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
636 }
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
637
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
638 static void
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
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diff changeset
639 poll_dealloc(pollObject *self)
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640 {
61467
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641 if (self->ufds != NULL)
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642 PyMem_DEL(self->ufds);
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643 Py_XDECREF(self->dict);
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644 PyObject_Del(self);
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645 }
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diff changeset
646
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diff changeset
647 static PyTypeObject poll_Type = {
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648 /* The ob_type field must be initialized in the module init function
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649 * to be portable to Windows without using C++. */
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650 PyVarObject_HEAD_INIT(NULL, 0)
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651 "select.poll", /*tp_name*/
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652 sizeof(pollObject), /*tp_basicsize*/
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653 0, /*tp_itemsize*/
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654 /* methods */
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655 (destructor)poll_dealloc, /*tp_dealloc*/
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656 0, /*tp_print*/
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657 0, /*tp_getattr*/
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658 0, /*tp_setattr*/
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659 0, /*tp_reserved*/
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660 0, /*tp_repr*/
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661 0, /*tp_as_number*/
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662 0, /*tp_as_sequence*/
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663 0, /*tp_as_mapping*/
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664 0, /*tp_hash*/
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665 0, /*tp_call*/
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666 0, /*tp_str*/
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667 0, /*tp_getattro*/
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668 0, /*tp_setattro*/
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669 0, /*tp_as_buffer*/
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670 Py_TPFLAGS_DEFAULT, /*tp_flags*/
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671 0, /*tp_doc*/
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672 0, /*tp_traverse*/
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673 0, /*tp_clear*/
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674 0, /*tp_richcompare*/
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675 0, /*tp_weaklistoffset*/
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676 0, /*tp_iter*/
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677 0, /*tp_iternext*/
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678 poll_methods, /*tp_methods*/
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679 };
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680
73549
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681 #ifdef HAVE_SYS_DEVPOLL_H
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682 typedef struct {
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683 PyObject_HEAD
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684 int fd_devpoll;
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diff changeset
685 int max_n_fds;
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diff changeset
686 int n_fds;
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diff changeset
687 struct pollfd *fds;
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diff changeset
688 } devpollObject;
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689
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Jesus Cea <jcea@jcea.es>
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diff changeset
690 static PyTypeObject devpoll_Type;
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diff changeset
691
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Jesus Cea <jcea@jcea.es>
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diff changeset
692 static int devpoll_flush(devpollObject *self)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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parents: 72879
diff changeset
693 {
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diff changeset
694 int size, n;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
695
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696 if (!self->n_fds) return 0;
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diff changeset
697
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diff changeset
698 size = sizeof(struct pollfd)*self->n_fds;
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diff changeset
699 self->n_fds = 0;
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diff changeset
700
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diff changeset
701 Py_BEGIN_ALLOW_THREADS
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diff changeset
702 n = write(self->fd_devpoll, self->fds, size);
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diff changeset
703 Py_END_ALLOW_THREADS
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diff changeset
704
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diff changeset
705 if (n == -1 ) {
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diff changeset
706 PyErr_SetFromErrno(PyExc_IOError);
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diff changeset
707 return -1;
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708 }
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diff changeset
709 if (n < size) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
710 /*
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diff changeset
711 ** Data writed to /dev/poll is a binary data structure. It is not
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
712 ** 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
713 ** an exception and see if we actually found this problem in
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
714 ** the wild.
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
715 ** See http://bugs.python.org/issue6397.
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
716 */
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
717 PyErr_Format(PyExc_IOError, "failed to write all pollfds. "
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
718 "Please, report at http://bugs.python.org/. "
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
719 "Data to report: Size tried: %d, actual size written: %d.",
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
720 size, n);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
721 return -1;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
722 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
723 return 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
724 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
725
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
726 static PyObject *
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
727 internal_devpoll_register(devpollObject *self, PyObject *args, int remove)
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diff changeset
728 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
729 PyObject *o;
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diff changeset
730 int fd, events = POLLIN | POLLPRI | POLLOUT;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
731
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diff changeset
732 if (!PyArg_ParseTuple(args, "O|i:register", &o, &events)) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
733 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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parents: 72879
diff changeset
734 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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735
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
736 fd = PyObject_AsFileDescriptor(o);
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diff changeset
737 if (fd == -1) return NULL;
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diff changeset
738
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
739 if (remove) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
740 self->fds[self->n_fds].fd = fd;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
741 self->fds[self->n_fds].events = POLLREMOVE;
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diff changeset
742
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
743 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>
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diff changeset
744 if (devpoll_flush(self))
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Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
745 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
746 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
747 }
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 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>
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diff changeset
750 self->fds[self->n_fds].events = events;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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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 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
753 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
754 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
755 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
756
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
757 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
758 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
759
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
760 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
761 "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
762 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
763 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
764 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
765 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
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 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
768 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
769 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
770 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
771 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
772
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
773 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
774 "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
775 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
776 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
777 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
778 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
779
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
780 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
781 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
782 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
783 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
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
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
786
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
787 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
788 "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
789 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
790
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
791 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
792 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
793 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
794 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
795
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
796 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
797 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
798 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
799
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
800 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
801 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
802
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
803 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
804 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
805 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
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
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
808 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
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 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
812 "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
813 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
814 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
815
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
816 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
817 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
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 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
820 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
821 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
822 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
823 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
824
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 (!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
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 /* 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
830 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
831 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
832 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
833 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
834 "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
835 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
836 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
837 else {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
838 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
839 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
840 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
841 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
842 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
843 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
844 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
845 }
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 ((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
848 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
849 "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
850 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
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
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
853 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
854 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
855
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
856 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
857 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
858 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
859
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
860 /* 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
861 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
862 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
863 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
864
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
865 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
866 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
867 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
868 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
869
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
870 /* 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
871
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
872 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
873 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
874 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
875 else {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
876 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
877 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
878 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
879 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
880 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
881 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
882 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
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 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
885 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
886 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
887 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
888 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
889 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
890 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
891 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
892 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
893 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
894 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
895
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
896 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
897
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
898 error:
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
899 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
900 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
901 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
902
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
903 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
904 {"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
905 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
906 {"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
907 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
908 {"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
909 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
910 {"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
911 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
912 {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
913 };
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
914
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
915 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
916 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
917 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
918 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
919 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
920 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
921 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
922
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
923 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
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 ** 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
926 ** 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
927 ** 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
928 ** 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
929 */
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
930 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
931 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
932 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
933 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
934
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
935 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
936 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
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 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
940 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
941 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
942 }
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 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
945 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
946 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
947 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
948 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
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
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
951 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
952 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
953 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
954 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
955 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
956 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
957 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
958 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
959 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
960 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
961
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
962 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
963 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
964
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
965 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
966 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
967 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
968 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
969 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
970 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
971
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
972 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
973
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
974 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
975 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
976
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
977 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
978 /* 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
979 * 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
980 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
981 "select.devpoll", /*tp_name*/
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
982 sizeof(devpollObject), /*tp_basicsize*/
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diff changeset
983 0, /*tp_itemsize*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
984 /* methods */
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
985 (destructor)devpoll_dealloc, /*tp_dealloc*/
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diff changeset
986 0, /*tp_print*/
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Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
987 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
988 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
989 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
990 0, /*tp_repr*/
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
991 0, /*tp_as_number*/
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
992 0, /*tp_as_sequence*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
993 0, /*tp_as_mapping*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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parents: 72879
diff changeset
994 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
995 0, /*tp_call*/
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
996 0, /*tp_str*/
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
997 0, /*tp_getattro*/
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
998 0, /*tp_setattro*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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parents: 72879
diff changeset
999 0, /*tp_as_buffer*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
1000 Py_TPFLAGS_DEFAULT, /*tp_flags*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
1001 0, /*tp_doc*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1002 0, /*tp_traverse*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1003 0, /*tp_clear*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1004 0, /*tp_richcompare*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1005 0, /*tp_weaklistoffset*/
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
1006 0, /*tp_iter*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
1007 0, /*tp_iternext*/
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Jesus Cea <jcea@jcea.es>
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diff changeset
1008 devpoll_methods, /*tp_methods*/
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diff changeset
1009 };
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
1010 #endif /* HAVE_SYS_DEVPOLL_H */
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diff changeset
1011
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parents: 72879
diff changeset
1012
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Jesus Cea <jcea@jcea.es>
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diff changeset
1013
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
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diff changeset
1014 PyDoc_STRVAR(poll_doc,
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
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1015 "Returns a polling object, which supports registering and\n\
23832
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Martin v. Löwis <martin@v.loewis.de>
parents: 23607
diff changeset
1016 unregistering file descriptors, and then polling them for I/O events.");
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diff changeset
1017
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1018 static PyObject *
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3fe3ccdf0155 Make use of METH_O and METH_NOARGS where possible.
Georg Brandl <georg@python.org>
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diff changeset
1019 select_poll(PyObject *self, PyObject *unused)
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1020 {
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1021 return (PyObject *)newPollObject();
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1022 }
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Ronald Oussoren <ronaldoussoren@mac.com>
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1023
73549
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diff changeset
1024 #ifdef HAVE_SYS_DEVPOLL_H
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diff changeset
1025 PyDoc_STRVAR(devpoll_doc,
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1026 "Returns a polling object, which supports registering and\n\
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
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diff changeset
1027 unregistering file descriptors, and then polling them for I/O events.");
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
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diff changeset
1028
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Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1029 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
1030 select_devpoll(PyObject *self, PyObject *unused)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1031 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1032 return (PyObject *)newDevPollObject();
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Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1033 }
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Jesus Cea <jcea@jcea.es>
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diff changeset
1034 #endif
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parents: 72879
diff changeset
1035
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
1036
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1037 #ifdef __APPLE__
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1038 /*
37935
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1039 * On some systems poll() sets errno on invalid file descriptors. We test
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Ronald Oussoren <ronaldoussoren@mac.com>
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diff changeset
1040 * for this at runtime because this bug may be fixed or introduced between
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diff changeset
1041 * OS releases.
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diff changeset
1042 */
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Ronald Oussoren <ronaldoussoren@mac.com>
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diff changeset
1043 static int select_have_broken_poll(void)
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Ronald Oussoren <ronaldoussoren@mac.com>
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diff changeset
1044 {
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1045 int poll_test;
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1046 int filedes[2];
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diff changeset
1047
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1048 struct pollfd poll_struct = { 0, POLLIN|POLLPRI|POLLOUT, 0 };
37935
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Ronald Oussoren <ronaldoussoren@mac.com>
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1049
61467
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1050 /* Create a file descriptor to make invalid */
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diff changeset
1051 if (pipe(filedes) < 0) {
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1052 return 1;
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1053 }
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1054 poll_struct.fd = filedes[0];
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diff changeset
1055 close(filedes[0]);
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diff changeset
1056 close(filedes[1]);
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1057 poll_test = poll(&poll_struct, 1, 0);
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diff changeset
1058 if (poll_test < 0) {
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1059 return 1;
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1060 } else if (poll_test == 0 && poll_struct.revents != POLLNVAL) {
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1061 return 1;
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1062 }
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1063 return 0;
37935
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1064 }
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1065 #endif /* __APPLE__ */
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diff changeset
1066
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1067 #endif /* HAVE_POLL */
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1068
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1069 #ifdef HAVE_EPOLL
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1070 /* **************************************************************************
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1071 * epoll interface for Linux 2.6
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1072 *
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1073 * Written by Christian Heimes
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1074 * Inspired by Twisted's _epoll.pyx and select.poll()
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1075 */
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1076
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1077 #ifdef HAVE_SYS_EPOLL_H
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1078 #include <sys/epoll.h>
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1079 #endif
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1080
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1081 typedef struct {
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1082 PyObject_HEAD
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1083 SOCKET epfd; /* epoll control file descriptor */
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1084 } pyEpoll_Object;
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1085
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1086 static PyTypeObject pyEpoll_Type;
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1087 #define pyepoll_CHECK(op) (PyObject_TypeCheck((op), &pyEpoll_Type))
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1088
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1089 static PyObject *
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1090 pyepoll_err_closed(void)
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1091 {
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1092 PyErr_SetString(PyExc_ValueError, "I/O operation on closed epoll fd");
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1093 return NULL;
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1094 }
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1095
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1096 static int
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1097 pyepoll_internal_close(pyEpoll_Object *self)
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1098 {
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1099 int save_errno = 0;
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1100 if (self->epfd >= 0) {
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1101 int epfd = self->epfd;
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1102 self->epfd = -1;
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1103 Py_BEGIN_ALLOW_THREADS
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1104 if (close(epfd) < 0)
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1105 save_errno = errno;
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1106 Py_END_ALLOW_THREADS
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1107 }
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1108 return save_errno;
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1109 }
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1110
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1111 static PyObject *
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1112 newPyEpoll_Object(PyTypeObject *type, int sizehint, int flags, SOCKET fd)
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1113 {
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1114 pyEpoll_Object *self;
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1115
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1116 assert(type != NULL && type->tp_alloc != NULL);
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1117 self = (pyEpoll_Object *) type->tp_alloc(type, 0);
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1118 if (self == NULL)
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1119 return NULL;
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1120
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1121 if (fd == -1) {
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1122 Py_BEGIN_ALLOW_THREADS
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1123 #ifdef HAVE_EPOLL_CREATE1
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1124 if (flags)
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1125 self->epfd = epoll_create1(flags);
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1126 else
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1127 #endif
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1128 self->epfd = epoll_create(sizehint);
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1129 Py_END_ALLOW_THREADS
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1130 }
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1131 else {
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1132 self->epfd = fd;
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1133 }
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1134 if (self->epfd < 0) {
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1135 Py_DECREF(self);
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1136 PyErr_SetFromErrno(PyExc_OSError);
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1137 return NULL;
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1138 }
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1139 return (PyObject *)self;
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1140 }
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1141
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1142
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1143 static PyObject *
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1144 pyepoll_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
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1145 {
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1146 int flags = 0, sizehint = FD_SETSIZE - 1;
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1147 static char *kwlist[] = {"sizehint", "flags", NULL};
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1148
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1149 if (!PyArg_ParseTupleAndKeywords(args, kwds, "|ii:epoll", kwlist,
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1150 &sizehint, &flags))
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1151 return NULL;
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1152 if (sizehint < 0) {
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1153 PyErr_SetString(PyExc_ValueError, "negative sizehint");
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1154 return NULL;
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1155 }
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1156
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1157 return newPyEpoll_Object(type, sizehint, flags, -1);
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1158 }
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1159
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1160
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1161 static void
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1162 pyepoll_dealloc(pyEpoll_Object *self)
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1163 {
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1164 (void)pyepoll_internal_close(self);
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1165 Py_TYPE(self)->tp_free(self);
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1166 }
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1167
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1168 static PyObject*
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1169 pyepoll_close(pyEpoll_Object *self)
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1170 {
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1171 errno = pyepoll_internal_close(self);
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1172 if (errno < 0) {
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1173 PyErr_SetFromErrno(PyExc_OSError);
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1174 return NULL;
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1175 }
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1176 Py_RETURN_NONE;
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1177 }
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1178
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1179 PyDoc_STRVAR(pyepoll_close_doc,
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1180 "close() -> None\n\
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1181 \n\
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1182 Close the epoll control file descriptor. Further operations on the epoll\n\
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1183 object will raise an exception.");
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1184
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1185 static PyObject*
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1186 pyepoll_get_closed(pyEpoll_Object *self)
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1187 {
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1188 if (self->epfd < 0)
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1189 Py_RETURN_TRUE;
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1190 else
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1191 Py_RETURN_FALSE;
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1192 }
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1193
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1194 static PyObject*
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1195 pyepoll_fileno(pyEpoll_Object *self)
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1196 {
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1197 if (self->epfd < 0)
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1198 return pyepoll_err_closed();
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1199 return PyLong_FromLong(self->epfd);
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1200 }
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1201
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1202 PyDoc_STRVAR(pyepoll_fileno_doc,
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1203 "fileno() -> int\n\
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1204 \n\
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1205 Return the epoll control file descriptor.");
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1206
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1207 static PyObject*
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1208 pyepoll_fromfd(PyObject *cls, PyObject *args)
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1209 {
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1210 SOCKET fd;
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1211
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1212 if (!PyArg_ParseTuple(args, "i:fromfd", &fd))
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1213 return NULL;
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1214
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1215 return newPyEpoll_Object((PyTypeObject*)cls, FD_SETSIZE - 1, 0, fd);
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1216 }
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1217
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1218 PyDoc_STRVAR(pyepoll_fromfd_doc,
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1219 "fromfd(fd) -> epoll\n\
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1220 \n\
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1221 Create an epoll object from a given control fd.");
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1222
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1223 static PyObject *
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1224 pyepoll_internal_ctl(int epfd, int op, PyObject *pfd, unsigned int events)
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1225 {
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1226 struct epoll_event ev;
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1227 int result;
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1228 int fd;
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1229
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1230 if (epfd < 0)
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1231 return pyepoll_err_closed();
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1232
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1233 fd = PyObject_AsFileDescriptor(pfd);
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1234 if (fd == -1) {
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1235 return NULL;
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1236 }
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1237
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1238 switch(op) {
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1239 case EPOLL_CTL_ADD:
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1240 case EPOLL_CTL_MOD:
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1241 ev.events = events;
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1242 ev.data.fd = fd;
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1243 Py_BEGIN_ALLOW_THREADS
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1244 result = epoll_ctl(epfd, op, fd, &ev);
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1245 Py_END_ALLOW_THREADS
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1246 break;
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1247 case EPOLL_CTL_DEL:
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1248 /* In kernel versions before 2.6.9, the EPOLL_CTL_DEL
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1249 * operation required a non-NULL pointer in event, even
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1250 * though this argument is ignored. */
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1251 Py_BEGIN_ALLOW_THREADS
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1252 result = epoll_ctl(epfd, op, fd, &ev);
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1253 if (errno == EBADF) {
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1254 /* fd already closed */
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1255 result = 0;
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1256 errno = 0;
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1257 }
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1258 Py_END_ALLOW_THREADS
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1259 break;
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1260 default:
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1261 result = -1;
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1262 errno = EINVAL;
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1263 }
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1264
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1265 if (result < 0) {
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1266 PyErr_SetFromErrno(PyExc_OSError);
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1267 return NULL;
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1268 }
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1269 Py_RETURN_NONE;
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1270 }
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1271
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1272 static PyObject *
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1273 pyepoll_register(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
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1274 {
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1275 PyObject *pfd;
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1276 unsigned int events = EPOLLIN | EPOLLOUT | EPOLLPRI;
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1277 static char *kwlist[] = {"fd", "eventmask", NULL};
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1278
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1279 if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|I:register", kwlist,
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1280 &pfd, &events)) {
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1281 return NULL;
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1282 }
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1283
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1284 return pyepoll_internal_ctl(self->epfd, EPOLL_CTL_ADD, pfd, events);
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1285 }
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1286
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1287 PyDoc_STRVAR(pyepoll_register_doc,
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1288 "register(fd[, eventmask]) -> None\n\
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1289 \n\
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1290 Registers a new fd or raises an OSError if the fd is already registered.\n\
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1291 fd is the target file descriptor of the operation.\n\
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1292 events is a bit set composed of the various EPOLL constants; the default\n\
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1293 is EPOLL_IN | EPOLL_OUT | EPOLL_PRI.\n\
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1294 \n\
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1295 The epoll interface supports all file descriptors that support poll.");
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1296
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1297 static PyObject *
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1298 pyepoll_modify(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
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1299 {
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1300 PyObject *pfd;
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1301 unsigned int events;
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1302 static char *kwlist[] = {"fd", "eventmask", NULL};
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1303
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1304 if (!PyArg_ParseTupleAndKeywords(args, kwds, "OI:modify", kwlist,
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1305 &pfd, &events)) {
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1306 return NULL;
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1307 }
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1308
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1309 return pyepoll_internal_ctl(self->epfd, EPOLL_CTL_MOD, pfd, events);
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1310 }
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1311
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1312 PyDoc_STRVAR(pyepoll_modify_doc,
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1313 "modify(fd, eventmask) -> None\n\
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1314 \n\
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1315 fd is the target file descriptor of the operation\n\
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1316 events is a bit set composed of the various EPOLL constants");
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1317
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1318 static PyObject *
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1319 pyepoll_unregister(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
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1320 {
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1321 PyObject *pfd;
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1322 static char *kwlist[] = {"fd", NULL};
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1323
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1324 if (!PyArg_ParseTupleAndKeywords(args, kwds, "O:unregister", kwlist,
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1325 &pfd)) {
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1326 return NULL;
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1327 }
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1328
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1329 return pyepoll_internal_ctl(self->epfd, EPOLL_CTL_DEL, pfd, 0);
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1330 }
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1331
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1332 PyDoc_STRVAR(pyepoll_unregister_doc,
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1333 "unregister(fd) -> None\n\
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1334 \n\
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1335 fd is the target file descriptor of the operation.");
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1336
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1337 static PyObject *
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1338 pyepoll_poll(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
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1339 {
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1340 double dtimeout = -1.;
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1341 int timeout;
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1342 int maxevents = -1;
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1343 int nfds, i;
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1344 PyObject *elist = NULL, *etuple = NULL;
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1345 struct epoll_event *evs = NULL;
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1346 static char *kwlist[] = {"timeout", "maxevents", NULL};
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1347
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1348 if (self->epfd < 0)
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1349 return pyepoll_err_closed();
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1350
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1351 if (!PyArg_ParseTupleAndKeywords(args, kwds, "|di:poll", kwlist,
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1352 &dtimeout, &maxevents)) {
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1353 return NULL;
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1354 }
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1355
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1356 if (dtimeout < 0) {
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1357 timeout = -1;
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1358 }
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1359 else if (dtimeout * 1000.0 > INT_MAX) {
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1360 PyErr_SetString(PyExc_OverflowError,
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1361 "timeout is too large");
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1362 return NULL;
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1363 }
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1364 else {
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1365 timeout = (int)(dtimeout * 1000.0);
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1366 }
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1367
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1368 if (maxevents == -1) {
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1369 maxevents = FD_SETSIZE-1;
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1370 }
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1371 else if (maxevents < 1) {
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1372 PyErr_Format(PyExc_ValueError,
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1373 "maxevents must be greater than 0, got %d",
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1374 maxevents);
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1375 return NULL;
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1376 }
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1377
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1378 evs = PyMem_New(struct epoll_event, maxevents);
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1379 if (evs == NULL) {
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1380 Py_DECREF(self);
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1381 PyErr_NoMemory();
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1382 return NULL;
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1383 }
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1384
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1385 Py_BEGIN_ALLOW_THREADS
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1386 nfds = epoll_wait(self->epfd, evs, maxevents, timeout);
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1387 Py_END_ALLOW_THREADS
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1388 if (nfds < 0) {
72879
41a1de81ef2b PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy.
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1389 PyErr_SetFromErrno(PyExc_OSError);
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1390 goto error;
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1391 }
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1392
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1393 elist = PyList_New(nfds);
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1394 if (elist == NULL) {
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1395 goto error;
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1396 }
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1397
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1398 for (i = 0; i < nfds; i++) {
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1399 etuple = Py_BuildValue("iI", evs[i].data.fd, evs[i].events);
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1400 if (etuple == NULL) {
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1401 Py_CLEAR(elist);
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1402 goto error;
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1403 }
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1404 PyList_SET_ITEM(elist, i, etuple);
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1405 }
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1406
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1407 error:
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1408 PyMem_Free(evs);
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1409 return elist;
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1410 }
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1411
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1412 PyDoc_STRVAR(pyepoll_poll_doc,
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1413 "poll([timeout=-1[, maxevents=-1]]) -> [(fd, events), (...)]\n\
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1414 \n\
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1415 Wait for events on the epoll file descriptor for a maximum time of timeout\n\
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1416 in seconds (as float). -1 makes poll wait indefinitely.\n\
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1417 Up to maxevents are returned to the caller.");
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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 {NULL, NULL},
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1435 };
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1436
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1437 static PyGetSetDef pyepoll_getsetlist[] = {
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1438 {"closed", (getter)pyepoll_get_closed, NULL,
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1439 "True if the epoll handler is closed"},
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1440 {0},
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1441 };
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1442
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1443 PyDoc_STRVAR(pyepoll_doc,
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1444 "select.epoll(sizehint=-1, flags=0)\n\
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1445 \n\
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1446 Returns an epolling object\n\
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1447 \n\
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1448 sizehint must be a positive integer or -1 for the default size. The\n\
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1449 sizehint is used to optimize internal data structures. It doesn't limit\n\
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1450 the maximum number of monitored events.");
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1451
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1452 static PyTypeObject pyEpoll_Type = {
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1453 PyVarObject_HEAD_INIT(NULL, 0)
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1454 "select.epoll", /* tp_name */
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1455 sizeof(pyEpoll_Object), /* tp_basicsize */
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1456 0, /* tp_itemsize */
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1457 (destructor)pyepoll_dealloc, /* tp_dealloc */
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1458 0, /* tp_print */
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1459 0, /* tp_getattr */
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1460 0, /* tp_setattr */
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1461 0, /* tp_reserved */
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1462 0, /* tp_repr */
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1463 0, /* tp_as_number */
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1464 0, /* tp_as_sequence */
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1465 0, /* tp_as_mapping */
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1466 0, /* tp_hash */
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1467 0, /* tp_call */
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1468 0, /* tp_str */
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1469 PyObject_GenericGetAttr, /* tp_getattro */
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1470 0, /* tp_setattro */
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1471 0, /* tp_as_buffer */
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1472 Py_TPFLAGS_DEFAULT, /* tp_flags */
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1473 pyepoll_doc, /* tp_doc */
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1474 0, /* tp_traverse */
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1475 0, /* tp_clear */
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1476 0, /* tp_richcompare */
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1477 0, /* tp_weaklistoffset */
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1478 0, /* tp_iter */
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1479 0, /* tp_iternext */
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1480 pyepoll_methods, /* tp_methods */
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1481 0, /* tp_members */
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1482 pyepoll_getsetlist, /* tp_getset */
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1483 0, /* tp_base */
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1484 0, /* tp_dict */
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1485 0, /* tp_descr_get */
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1486 0, /* tp_descr_set */
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1487 0, /* tp_dictoffset */
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1488 0, /* tp_init */
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1489 0, /* tp_alloc */
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1490 pyepoll_new, /* tp_new */
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1491 0, /* tp_free */
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1492 };
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1493
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1494 #endif /* HAVE_EPOLL */
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1495
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1496 #ifdef HAVE_KQUEUE
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1497 /* **************************************************************************
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1498 * kqueue interface for BSD
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1499 *
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1500 * Copyright (c) 2000 Doug White, 2006 James Knight, 2007 Christian Heimes
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1501 * All rights reserved.
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1502 *
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1503 * Redistribution and use in source and binary forms, with or without
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1504 * modification, are permitted provided that the following conditions
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1505 * are met:
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1506 * 1. Redistributions of source code must retain the above copyright
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1507 * notice, this list of conditions and the following disclaimer.
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1508 * 2. Redistributions in binary form must reproduce the above copyright
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1509 * notice, this list of conditions and the following disclaimer in the
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1510 * documentation and/or other materials provided with the distribution.
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1511 *
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1512 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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1513 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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1514 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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1515 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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1516 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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1517 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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1518 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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1519 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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1520 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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1521 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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1522 * SUCH DAMAGE.
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1523 */
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1524
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1525 #ifdef HAVE_SYS_EVENT_H
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1526 #include <sys/event.h>
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1527 #endif
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1528
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1529 PyDoc_STRVAR(kqueue_event_doc,
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1530 "kevent(ident, filter=KQ_FILTER_READ, flags=KQ_EV_ADD, fflags=0, data=0, udata=0)\n\
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1531 \n\
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1532 This object is the equivalent of the struct kevent for the C API.\n\
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1533 \n\
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1534 See the kqueue manpage for more detailed information about the meaning\n\
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1535 of the arguments.\n\
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1536 \n\
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1537 One minor note: while you might hope that udata could store a\n\
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1538 reference to a python object, it cannot, because it is impossible to\n\
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1539 keep a proper reference count of the object once it's passed into the\n\
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1540 kernel. Therefore, I have restricted it to only storing an integer. I\n\
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1541 recommend ignoring it and simply using the 'ident' field to key off\n\
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1542 of. You could also set up a dictionary on the python side to store a\n\
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1543 udata->object mapping.");
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1544
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1545 typedef struct {
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1546 PyObject_HEAD
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1547 struct kevent e;
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1548 } kqueue_event_Object;
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1549
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1550 static PyTypeObject kqueue_event_Type;
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1551
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1552 #define kqueue_event_Check(op) (PyObject_TypeCheck((op), &kqueue_event_Type))
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1553
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1554 typedef struct {
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1555 PyObject_HEAD
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1556 SOCKET kqfd; /* kqueue control fd */
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1557 } kqueue_queue_Object;
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1558
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1559 static PyTypeObject kqueue_queue_Type;
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1560
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1561 #define kqueue_queue_Check(op) (PyObject_TypeCheck((op), &kqueue_queue_Type))
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1562
57113
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1563 #if (SIZEOF_UINTPTR_T != SIZEOF_VOID_P)
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1564 # error uintptr_t does not match void *!
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1565 #elif (SIZEOF_UINTPTR_T == SIZEOF_LONG_LONG)
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1566 # define T_UINTPTRT T_ULONGLONG
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1567 # define T_INTPTRT T_LONGLONG
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1568 # define PyLong_AsUintptr_t PyLong_AsUnsignedLongLong
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1569 # define UINTPTRT_FMT_UNIT "K"
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1570 # define INTPTRT_FMT_UNIT "L"
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1571 #elif (SIZEOF_UINTPTR_T == SIZEOF_LONG)
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1572 # define T_UINTPTRT T_ULONG
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1573 # define T_INTPTRT T_LONG
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1574 # define PyLong_AsUintptr_t PyLong_AsUnsignedLong
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1575 # define UINTPTRT_FMT_UNIT "k"
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1576 # define INTPTRT_FMT_UNIT "l"
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1577 #elif (SIZEOF_UINTPTR_T == SIZEOF_INT)
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1578 # define T_UINTPTRT T_UINT
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1579 # define T_INTPTRT T_INT
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1580 # define PyLong_AsUintptr_t PyLong_AsUnsignedLong
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1581 # define UINTPTRT_FMT_UNIT "I"
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1582 # define INTPTRT_FMT_UNIT "i"
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1583 #else
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1584 # error uintptr_t does not match int, long, or long long!
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1585 #endif
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1586
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1587 /*
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1588 * kevent is not standard and its members vary across BSDs.
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1589 */
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1590 #if !defined(__OpenBSD__)
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1591 # define IDENT_TYPE T_UINTPTRT
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1592 # define IDENT_CAST Py_intptr_t
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1593 # define DATA_TYPE T_INTPTRT
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1594 # define DATA_FMT_UNIT INTPTRT_FMT_UNIT
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1595 # define IDENT_AsType PyLong_AsUintptr_t
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1596 #else
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1597 # define IDENT_TYPE T_UINT
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1598 # define IDENT_CAST int
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1599 # define DATA_TYPE T_INT
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1600 # define DATA_FMT_UNIT "i"
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1601 # define IDENT_AsType PyLong_AsUnsignedLong
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1602 #endif
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1603
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1604 /* Unfortunately, we can't store python objects in udata, because
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1605 * kevents in the kernel can be removed without warning, which would
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1606 * forever lose the refcount on the object stored with it.
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1607 */
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1608
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1609 #define KQ_OFF(x) offsetof(kqueue_event_Object, x)
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1610 static struct PyMemberDef kqueue_event_members[] = {
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1611 {"ident", IDENT_TYPE, KQ_OFF(e.ident)},
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1612 {"filter", T_SHORT, KQ_OFF(e.filter)},
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1613 {"flags", T_USHORT, KQ_OFF(e.flags)},
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1614 {"fflags", T_UINT, KQ_OFF(e.fflags)},
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1615 {"data", DATA_TYPE, KQ_OFF(e.data)},
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1616 {"udata", T_UINTPTRT, KQ_OFF(e.udata)},
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1617 {NULL} /* Sentinel */
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1618 };
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1619 #undef KQ_OFF
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1620
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1621 static PyObject *
59616
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1622
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1623 kqueue_event_repr(kqueue_event_Object *s)
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1624 {
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1625 char buf[1024];
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1626 PyOS_snprintf(
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1627 buf, sizeof(buf),
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1628 "<select.kevent ident=%zu filter=%d flags=0x%x fflags=0x%x "
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1629 "data=0x%zd udata=%p>",
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1630 (size_t)(s->e.ident), s->e.filter, s->e.flags,
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1631 s->e.fflags, (Py_ssize_t)(s->e.data), s->e.udata);
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1632 return PyUnicode_FromString(buf);
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1633 }
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1634
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1635 static int
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1636 kqueue_event_init(kqueue_event_Object *self, PyObject *args, PyObject *kwds)
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1637 {
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1638 PyObject *pfd;
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1639 static char *kwlist[] = {"ident", "filter", "flags", "fflags",
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1640 "data", "udata", NULL};
85382
d5334d8907dc Issue #11973: Fix a problem in kevent. The flags and fflags fields are now
Christian Heimes <christian@cheimes.de>
parents: 85281
diff changeset
1641 static char *fmt = "O|hHI" DATA_FMT_UNIT UINTPTRT_FMT_UNIT ":kevent";
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1642
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1643 EV_SET(&(self->e), 0, EVFILT_READ, EV_ADD, 0, 0, 0); /* defaults */
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1644
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1645 if (!PyArg_ParseTupleAndKeywords(args, kwds, fmt, kwlist,
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1646 &pfd, &(self->e.filter), &(self->e.flags),
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1647 &(self->e.fflags), &(self->e.data), &(self->e.udata))) {
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1648 return -1;
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1649 }
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1650
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Charles-Francois Natali <cf.natali@gmail.com>
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1651 if (PyLong_Check(pfd)
f6c50b437de6 Issue #12181: select module: Fix struct kevent definition on OpenBSD 64-bit
Charles-Francois Natali <cf.natali@gmail.com>
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1652 #if IDENT_TYPE == T_UINT
f6c50b437de6 Issue #12181: select module: Fix struct kevent definition on OpenBSD 64-bit
Charles-Francois Natali <cf.natali@gmail.com>
parents: 81593
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1653 && PyLong_AsUnsignedLong(pfd) <= UINT_MAX
f6c50b437de6 Issue #12181: select module: Fix struct kevent definition on OpenBSD 64-bit
Charles-Francois Natali <cf.natali@gmail.com>
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1654 #endif
f6c50b437de6 Issue #12181: select module: Fix struct kevent definition on OpenBSD 64-bit
Charles-Francois Natali <cf.natali@gmail.com>
parents: 81593
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1655 ) {
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Charles-Francois Natali <cf.natali@gmail.com>
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1656 self->e.ident = IDENT_AsType(pfd);
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1657 }
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1658 else {
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1659 self->e.ident = PyObject_AsFileDescriptor(pfd);
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1660 }
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1661 if (PyErr_Occurred()) {
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1662 return -1;
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1663 }
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1664 return 0;
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1665 }
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1666
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1667 static PyObject *
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1668 kqueue_event_richcompare(kqueue_event_Object *s, kqueue_event_Object *o,
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1669 int op)
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1670 {
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1671 Py_intptr_t result = 0;
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1672
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1673 if (!kqueue_event_Check(o)) {
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1674 if (op == Py_EQ || op == Py_NE) {
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1675 PyObject *res = op == Py_EQ ? Py_False : Py_True;
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1676 Py_INCREF(res);
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1677 return res;
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1678 }
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1679 PyErr_Format(PyExc_TypeError,
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1680 "can't compare %.200s to %.200s",
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1681 Py_TYPE(s)->tp_name, Py_TYPE(o)->tp_name);
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1682 return NULL;
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1683 }
83652
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Charles-Francois Natali <cf.natali@gmail.com>
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1684 if (((result = (IDENT_CAST)(s->e.ident - o->e.ident)) == 0) &&
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1685 ((result = s->e.filter - o->e.filter) == 0) &&
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1686 ((result = s->e.flags - o->e.flags) == 0) &&
83652
f6c50b437de6 Issue #12181: select module: Fix struct kevent definition on OpenBSD 64-bit
Charles-Francois Natali <cf.natali@gmail.com>
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1687 ((result = (int)(s->e.fflags - o->e.fflags)) == 0) &&
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1688 ((result = s->e.data - o->e.data) == 0) &&
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1689 ((result = s->e.udata - o->e.udata) == 0)
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1690 ) {
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1691 result = 0;
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1692 }
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1693
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1694 switch (op) {
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1695 case Py_EQ:
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1696 result = (result == 0);
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1697 break;
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1698 case Py_NE:
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1699 result = (result != 0);
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1700 break;
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1701 case Py_LE:
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1702 result = (result <= 0);
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1703 break;
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1704 case Py_GE:
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1705 result = (result >= 0);
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1706 break;
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1707 case Py_LT:
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1708 result = (result < 0);
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1709 break;
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1710 case Py_GT:
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1711 result = (result > 0);
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1712 break;
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1713 }
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1714 return PyBool_FromLong((long)result);
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1715 }
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1716
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1717 static PyTypeObject kqueue_event_Type = {
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1718 PyVarObject_HEAD_INIT(NULL, 0)
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1719 "select.kevent", /* tp_name */
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1720 sizeof(kqueue_event_Object), /* tp_basicsize */
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1721 0, /* tp_itemsize */
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1722 0, /* tp_dealloc */
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1723 0, /* tp_print */
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1724 0, /* tp_getattr */
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1725 0, /* tp_setattr */
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1726 0, /* tp_reserved */
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1727 (reprfunc)kqueue_event_repr, /* tp_repr */
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1728 0, /* tp_as_number */
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1729 0, /* tp_as_sequence */
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1730 0, /* tp_as_mapping */
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1731 0, /* tp_hash */
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1732 0, /* tp_call */
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1733 0, /* tp_str */
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1734 0, /* tp_getattro */
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1735 0, /* tp_setattro */
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1736 0, /* tp_as_buffer */
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1737 Py_TPFLAGS_DEFAULT, /* tp_flags */
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1738 kqueue_event_doc, /* tp_doc */
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1739 0, /* tp_traverse */
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1740 0, /* tp_clear */
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1741 (richcmpfunc)kqueue_event_richcompare, /* tp_richcompare */
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1742 0, /* tp_weaklistoffset */
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1743 0, /* tp_iter */
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1744 0, /* tp_iternext */
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1745 0, /* tp_methods */
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1746 kqueue_event_members, /* tp_members */
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1747 0, /* tp_getset */
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1748 0, /* tp_base */
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1749 0, /* tp_dict */
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1750 0, /* tp_descr_get */
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1751 0, /* tp_descr_set */
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1752 0, /* tp_dictoffset */
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1753 (initproc)kqueue_event_init, /* tp_init */
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1754 0, /* tp_alloc */
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1755 0, /* tp_new */
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1756 0, /* tp_free */
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1757 };
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1758
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1759 static PyObject *
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1760 kqueue_queue_err_closed(void)
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1761 {
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1762 PyErr_SetString(PyExc_ValueError, "I/O operation on closed kqueue fd");
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1763 return NULL;
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1764 }
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1765
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1766 static int
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1767 kqueue_queue_internal_close(kqueue_queue_Object *self)
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1768 {
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1769 int save_errno = 0;
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1770 if (self->kqfd >= 0) {
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1771 int kqfd = self->kqfd;
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1772 self->kqfd = -1;
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1773 Py_BEGIN_ALLOW_THREADS
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1774 if (close(kqfd) < 0)
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1775 save_errno = errno;
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1776 Py_END_ALLOW_THREADS
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1777 }
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1778 return save_errno;
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1779 }
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1780
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1781 static PyObject *
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1782 newKqueue_Object(PyTypeObject *type, SOCKET fd)
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1783 {
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1784 kqueue_queue_Object *self;
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1785 assert(type != NULL && type->tp_alloc != NULL);
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1786 self = (kqueue_queue_Object *) type->tp_alloc(type, 0);
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1787 if (self == NULL) {
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1788 return NULL;
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1789 }
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1790
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1791 if (fd == -1) {
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1792 Py_BEGIN_ALLOW_THREADS
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1793 self->kqfd = kqueue();
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1794 Py_END_ALLOW_THREADS
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1795 }
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1796 else {
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1797 self->kqfd = fd;
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1798 }
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1799 if (self->kqfd < 0) {
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1800 Py_DECREF(self);
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1801 PyErr_SetFromErrno(PyExc_OSError);
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1802 return NULL;
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1803 }
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1804 return (PyObject *)self;
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1805 }
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1806
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1807 static PyObject *
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1808 kqueue_queue_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
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1809 {
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1810
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1811 if ((args != NULL && PyObject_Size(args)) ||
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1812 (kwds != NULL && PyObject_Size(kwds))) {
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1813 PyErr_SetString(PyExc_ValueError,
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1814 "select.kqueue doesn't accept arguments");
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1815 return NULL;
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1816 }
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1817
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1818 return newKqueue_Object(type, -1);
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1819 }
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1820
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1821 static void
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1822 kqueue_queue_dealloc(kqueue_queue_Object *self)
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1823 {
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1824 kqueue_queue_internal_close(self);
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1825 Py_TYPE(self)->tp_free(self);
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1826 }
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1827
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1828 static PyObject*
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1829 kqueue_queue_close(kqueue_queue_Object *self)
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1830 {
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1831 errno = kqueue_queue_internal_close(self);
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1832 if (errno < 0) {
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1833 PyErr_SetFromErrno(PyExc_OSError);
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1834 return NULL;
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1835 }
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1836 Py_RETURN_NONE;
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1837 }
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1838
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1839 PyDoc_STRVAR(kqueue_queue_close_doc,
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1840 "close() -> None\n\
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1841 \n\
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1842 Close the kqueue control file descriptor. Further operations on the kqueue\n\
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1843 object will raise an exception.");
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1844
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1845 static PyObject*
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1846 kqueue_queue_get_closed(kqueue_queue_Object *self)
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1847 {
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1848 if (self->kqfd < 0)
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1849 Py_RETURN_TRUE;
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1850 else
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1851 Py_RETURN_FALSE;
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1852 }
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1853
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1854 static PyObject*
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1855 kqueue_queue_fileno(kqueue_queue_Object *self)
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1856 {
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1857 if (self->kqfd < 0)
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1858 return kqueue_queue_err_closed();
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1859 return PyLong_FromLong(self->kqfd);
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1860 }
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1861
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1862 PyDoc_STRVAR(kqueue_queue_fileno_doc,
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1863 "fileno() -> int\n\
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1864 \n\
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1865 Return the kqueue control file descriptor.");
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1866
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1867 static PyObject*
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1868 kqueue_queue_fromfd(PyObject *cls, PyObject *args)
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1869 {
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1870 SOCKET fd;
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1871
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1872 if (!PyArg_ParseTuple(args, "i:fromfd", &fd))
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1873 return NULL;
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1874
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1875 return newKqueue_Object((PyTypeObject*)cls, fd);
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1876 }
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1877
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1878 PyDoc_STRVAR(kqueue_queue_fromfd_doc,
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1879 "fromfd(fd) -> kqueue\n\
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1880 \n\
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1881 Create a kqueue object from a given control fd.");
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1882
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1883 static PyObject *
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1884 kqueue_queue_control(kqueue_queue_Object *self, PyObject *args)
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1885 {
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1886 int nevents = 0;
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1887 int gotevents = 0;
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1888 int nchanges = 0;
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1889 int i = 0;
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1890 PyObject *otimeout = NULL;
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1891 PyObject *ch = NULL;
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1892 PyObject *it = NULL, *ei = NULL;
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1893 PyObject *result = NULL;
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1894 struct kevent *evl = NULL;
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1895 struct kevent *chl = NULL;
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1eaf6e899f02 Issue #14180: Fix select.select() compilation on BSD and a typo in kqueue_queue_control()
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1896 struct timespec timeout;
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1897 struct timespec *ptimeoutspec;
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1898
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1899 if (self->kqfd < 0)
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1900 return kqueue_queue_err_closed();
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1901
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1902 if (!PyArg_ParseTuple(args, "Oi|O:control", &ch, &nevents, &otimeout))
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1903 return NULL;
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1904
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1905 if (nevents < 0) {
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1906 PyErr_Format(PyExc_ValueError,
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1907 "Length of eventlist must be 0 or positive, got %d",
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1908 nevents);
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1909 return NULL;
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1910 }
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1911
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1912 if (otimeout == Py_None || otimeout == NULL) {
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1913 ptimeoutspec = NULL;
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1914 }
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1915 else if (PyNumber_Check(otimeout)) {
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1916 if (_PyTime_ObjectToTimespec(otimeout,
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1917 &timeout.tv_sec, &timeout.tv_nsec) == -1)
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1918 return NULL;
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1919
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1920 if (timeout.tv_sec < 0) {
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1921 PyErr_SetString(PyExc_ValueError,
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1922 "timeout must be positive or None");
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1923 return NULL;
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1924 }
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1925 ptimeoutspec = &timeout;
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1926 }
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1927 else {
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1928 PyErr_Format(PyExc_TypeError,
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1929 "timeout argument must be an number "
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1930 "or None, got %.200s",
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1931 Py_TYPE(otimeout)->tp_name);
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1932 return NULL;
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1933 }
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1934
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1935 if (ch != NULL && ch != Py_None) {
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1936 it = PyObject_GetIter(ch);
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1937 if (it == NULL) {
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1938 PyErr_SetString(PyExc_TypeError,
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1939 "changelist is not iterable");
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1940 return NULL;
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1941 }
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1942 nchanges = PyObject_Size(ch);
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1943 if (nchanges < 0) {
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1944 goto error;
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1945 }
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1946
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1947 chl = PyMem_New(struct kevent, nchanges);
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1948 if (chl == NULL) {
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1949 PyErr_NoMemory();
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1950 goto error;
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1951 }
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1952 i = 0;
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1953 while ((ei = PyIter_Next(it)) != NULL) {
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1954 if (!kqueue_event_Check(ei)) {
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1955 Py_DECREF(ei);
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1956 PyErr_SetString(PyExc_TypeError,
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1957 "changelist must be an iterable of "
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1958 "select.kevent objects");
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1959 goto error;
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1960 } else {
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1961 chl[i++] = ((kqueue_event_Object *)ei)->e;
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1962 }
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1963 Py_DECREF(ei);
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1964 }
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1965 }
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1966 Py_CLEAR(it);
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1967
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1968 /* event list */
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1969 if (nevents) {
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1970 evl = PyMem_New(struct kevent, nevents);
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1971 if (evl == NULL) {
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1972 PyErr_NoMemory();
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1973 goto error;
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1974 }
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1975 }
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1976
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1977 Py_BEGIN_ALLOW_THREADS
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1978 gotevents = kevent(self->kqfd, chl, nchanges,
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1979 evl, nevents, ptimeoutspec);
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1980 Py_END_ALLOW_THREADS
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1981
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1982 if (gotevents == -1) {
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1983 PyErr_SetFromErrno(PyExc_OSError);
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1984 goto error;
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1985 }
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1986
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1987 result = PyList_New(gotevents);
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1988 if (result == NULL) {
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1989 goto error;
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1990 }
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1991
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1992 for (i = 0; i < gotevents; i++) {
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1993 kqueue_event_Object *ch;
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1994
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1995 ch = PyObject_New(kqueue_event_Object, &kqueue_event_Type);
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1996 if (ch == NULL) {
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1997 goto error;
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1998 }
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1999 ch->e = evl[i];
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2000 PyList_SET_ITEM(result, i, (PyObject *)ch);
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2001 }
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2002 PyMem_Free(chl);
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2003 PyMem_Free(evl);
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2004 return result;
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2005
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2006 error:
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2007 PyMem_Free(chl);
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2008 PyMem_Free(evl);
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2009 Py_XDECREF(result);
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2010 Py_XDECREF(it);
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2011 return NULL;
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2012 }
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2013
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2014 PyDoc_STRVAR(kqueue_queue_control_doc,
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2015 "control(changelist, max_events[, timeout=None]) -> eventlist\n\
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2016 \n\
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2017 Calls the kernel kevent function.\n\
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2018 - changelist must be a list of kevent objects describing the changes\n\
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2019 to be made to the kernel's watch list or None.\n\
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2020 - max_events lets you specify the maximum number of events that the\n\
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2021 kernel will return.\n\
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2022 - timeout is the maximum time to wait in seconds, or else None,\n\
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2023 to wait forever. timeout accepts floats for smaller timeouts, too.");
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2024
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2025
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2026 static PyMethodDef kqueue_queue_methods[] = {
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2027 {"fromfd", (PyCFunction)kqueue_queue_fromfd,
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2028 METH_VARARGS | METH_CLASS, kqueue_queue_fromfd_doc},
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2029 {"close", (PyCFunction)kqueue_queue_close, METH_NOARGS,
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2030 kqueue_queue_close_doc},
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2031 {"fileno", (PyCFunction)kqueue_queue_fileno, METH_NOARGS,
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2032 kqueue_queue_fileno_doc},
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2033 {"control", (PyCFunction)kqueue_queue_control,
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2034 METH_VARARGS , kqueue_queue_control_doc},
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2035 {NULL, NULL},
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2036 };
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2037
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2038 static PyGetSetDef kqueue_queue_getsetlist[] = {
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2039 {"closed", (getter)kqueue_queue_get_closed, NULL,
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2040 "True if the kqueue handler is closed"},
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2041 {0},
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2042 };
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2043
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2044 PyDoc_STRVAR(kqueue_queue_doc,
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2045 "Kqueue syscall wrapper.\n\
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2046 \n\
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2047 For example, to start watching a socket for input:\n\
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2048 >>> kq = kqueue()\n\
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2049 >>> sock = socket()\n\
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2050 >>> sock.connect((host, port))\n\
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2051 >>> kq.control([kevent(sock, KQ_FILTER_WRITE, KQ_EV_ADD)], 0)\n\
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2052 \n\
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2053 To wait one second for it to become writeable:\n\
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2054 >>> kq.control(None, 1, 1000)\n\
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2055 \n\
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2056 To stop listening:\n\
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diff changeset
2057 >>> kq.control([kevent(sock, KQ_FILTER_WRITE, KQ_EV_DELETE)], 0)");
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diff changeset
2058
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parents: 44469
diff changeset
2059 static PyTypeObject kqueue_queue_Type = {
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diff changeset
2060 PyVarObject_HEAD_INIT(NULL, 0)
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diff changeset
2061 "select.kqueue", /* tp_name */
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diff changeset
2062 sizeof(kqueue_queue_Object), /* tp_basicsize */
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diff changeset
2063 0, /* tp_itemsize */
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diff changeset
2064 (destructor)kqueue_queue_dealloc, /* tp_dealloc */
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parents: 60425
diff changeset
2065 0, /* tp_print */
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diff changeset
2066 0, /* tp_getattr */
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parents: 60425
diff changeset
2067 0, /* tp_setattr */
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parents: 60425
diff changeset
2068 0, /* tp_reserved */
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diff changeset
2069 0, /* tp_repr */
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diff changeset
2070 0, /* tp_as_number */
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parents: 60425
diff changeset
2071 0, /* tp_as_sequence */
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parents: 60425
diff changeset
2072 0, /* tp_as_mapping */
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parents: 60425
diff changeset
2073 0, /* tp_hash */
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diff changeset
2074 0, /* tp_call */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2075 0, /* tp_str */
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parents: 60425
diff changeset
2076 0, /* tp_getattro */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2077 0, /* tp_setattro */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2078 0, /* tp_as_buffer */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2079 Py_TPFLAGS_DEFAULT, /* tp_flags */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2080 kqueue_queue_doc, /* tp_doc */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2081 0, /* tp_traverse */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2082 0, /* tp_clear */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2083 0, /* tp_richcompare */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2084 0, /* tp_weaklistoffset */
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2085 0, /* tp_iter */
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2086 0, /* tp_iternext */
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parents: 60425
diff changeset
2087 kqueue_queue_methods, /* tp_methods */
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2088 0, /* tp_members */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2089 kqueue_queue_getsetlist, /* tp_getset */
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diff changeset
2090 0, /* tp_base */
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diff changeset
2091 0, /* tp_dict */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2092 0, /* tp_descr_get */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2093 0, /* tp_descr_set */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2094 0, /* tp_dictoffset */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2095 0, /* tp_init */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2096 0, /* tp_alloc */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2097 kqueue_queue_new, /* tp_new */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2098 0, /* tp_free */
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2099 };
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2100
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2101 #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
2102
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2103
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2104
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2105
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2106
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2107 /* ************************************************************************ */
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
2108
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23607
diff changeset
2109 PyDoc_STRVAR(select_doc,
8570
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2110 "select(rlist, wlist, xlist[, timeout]) -> (rlist, wlist, xlist)\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 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
2113 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
2114 rlist -- wait until ready for reading\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2115 wlist -- wait until ready for writing\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2116 xlist -- wait for an ``exceptional condition''\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2117 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
2118 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
2119 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
2120 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2121 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
2122 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
2123 or None, the call will never time out.\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2124 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2125 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
2126 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
2127 that are ready.\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2128 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2129 *** IMPORTANT NOTICE ***\n\
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parents: 44469
diff changeset
2130 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
2131 descriptors can be used.");
8570
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Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2132
4692
cb405b9696d4 Several changes... Guido *please* take a look!
Barry Warsaw <barry@python.org>
parents: 4621
diff changeset
2133 static PyMethodDef select_methods[] = {
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2134 {"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
2135 #if defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2136 {"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
2137 #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
2138 #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
2139 {"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
2140 #endif
61467
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parents: 60425
diff changeset
2141 {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
2142 };
a4793ae26682 Changes for new UNIX-specific built-in module 'select' and new header for
Guido van Rossum <guido@python.org>
parents:
diff changeset
2143
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23607
diff changeset
2144 PyDoc_STRVAR(module_doc,
8570
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2145 "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
2146 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2147 *** IMPORTANT NOTICE ***\n\
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38489
diff changeset
2148 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
2149
47580
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2150
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2151 static struct PyModuleDef selectmodule = {
61467
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parents: 60425
diff changeset
2152 PyModuleDef_HEAD_INIT,
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2153 "select",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2154 module_doc,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2155 -1,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
2156 select_methods,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
2157 NULL,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
2158 NULL,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
2159 NULL,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2160 NULL
47580
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2161 };
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2162
73549
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2163
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2164
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2165
24363
979ff5d0ae07 Replace DL_IMPORT with PyMODINIT_FUNC and remove "/export:init..." link
Mark Hammond <mhammond@skippinet.com.au>
parents: 24283
diff changeset
2166 PyMODINIT_FUNC
47580
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2167 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
2168 {
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2169 PyObject *m;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2170 m = PyModule_Create(&selectmodule);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2171 if (m == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2172 return NULL;
22729
cdff3c7c1a76 Use the PyModule_Add*() APIs instead of manipulating the module dict
Fred Drake <fdrake@acm.org>
parents: 22114
diff changeset
2173
72879
41a1de81ef2b PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72116
diff changeset
2174 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
2175 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
2176
55179
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Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 55099
diff changeset
2177 #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
2178 #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
2179 #undef PIPE_BUF
3c4225bf87b4 #9862: On AIX PIPE_BUF is broken. Make it 512.
R. David Murray <rdmurray@bitdance.com>
parents: 63589
diff changeset
2180 #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
2181 #endif
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60423
diff changeset
2182 PyModule_AddIntConstant(m, "PIPE_BUF", PIPE_BUF);
55179
e89faaafa3ee Merged revisions 73916 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 55099
diff changeset
2183 #endif
55099
06b360a33d57 Merged revisions 73818 via svnmerge from
Gregory P. Smith <greg@mad-scientist.com>
parents: 51271
diff changeset
2184
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
2185 #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
2186 #ifdef __APPLE__
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2187 if (select_have_broken_poll()) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2188 if (PyObject_DelAttrString(m, "poll") == -1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2189 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2190 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2191 } else {
37935
e3a8a8de355e Patch 1471761 - test for broken poll at runtime
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 36501
diff changeset
2192 #else
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2193 {
37935
e3a8a8de355e Patch 1471761 - test for broken poll at runtime
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 36501
diff changeset
2194 #endif
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2195 if (PyType_Ready(&poll_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2196 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2197 PyModule_AddIntConstant(m, "POLLIN", POLLIN);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2198 PyModule_AddIntConstant(m, "POLLPRI", POLLPRI);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2199 PyModule_AddIntConstant(m, "POLLOUT", POLLOUT);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2200 PyModule_AddIntConstant(m, "POLLERR", POLLERR);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2201 PyModule_AddIntConstant(m, "POLLHUP", POLLHUP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2202 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
2203
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
2204 #ifdef POLLRDNORM
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2205 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
2206 #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
2207 #ifdef POLLRDBAND
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2208 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
2209 #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
2210 #ifdef POLLWRNORM
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2211 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
2212 #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
2213 #ifdef POLLWRBAND
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2214 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
2215 #endif
14182
c85a80db6845 Not every OS that support poll seems to support POLLMSG.
Sjoerd Mullender <sjoerd@acm.org>
parents: 14174
diff changeset
2216 #ifdef POLLMSG
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2217 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
2218 #endif
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2219 }
37935
e3a8a8de355e Patch 1471761 - test for broken poll at runtime
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 36501
diff changeset
2220 #endif /* HAVE_POLL */
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2221
73549
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2222 #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
2223 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
2224 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
2225 #endif
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2226
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2227 #ifdef HAVE_EPOLL
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2228 Py_TYPE(&pyEpoll_Type) = &PyType_Type;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2229 if (PyType_Ready(&pyEpoll_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2230 return NULL;
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2231
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2232 Py_INCREF(&pyEpoll_Type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2233 PyModule_AddObject(m, "epoll", (PyObject *) &pyEpoll_Type);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2234
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2235 PyModule_AddIntConstant(m, "EPOLLIN", EPOLLIN);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2236 PyModule_AddIntConstant(m, "EPOLLOUT", EPOLLOUT);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2237 PyModule_AddIntConstant(m, "EPOLLPRI", EPOLLPRI);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2238 PyModule_AddIntConstant(m, "EPOLLERR", EPOLLERR);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2239 PyModule_AddIntConstant(m, "EPOLLHUP", EPOLLHUP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2240 PyModule_AddIntConstant(m, "EPOLLET", EPOLLET);
45996
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2241 #ifdef EPOLLONESHOT
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2242 /* Kernel 2.6.2+ */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2243 PyModule_AddIntConstant(m, "EPOLLONESHOT", EPOLLONESHOT);
45996
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2244 #endif
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2245 /* PyModule_AddIntConstant(m, "EPOLL_RDHUP", EPOLLRDHUP); */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2246 PyModule_AddIntConstant(m, "EPOLLRDNORM", EPOLLRDNORM);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2247 PyModule_AddIntConstant(m, "EPOLLRDBAND", EPOLLRDBAND);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2248 PyModule_AddIntConstant(m, "EPOLLWRNORM", EPOLLWRNORM);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2249 PyModule_AddIntConstant(m, "EPOLLWRBAND", EPOLLWRBAND);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2250 PyModule_AddIntConstant(m, "EPOLLMSG", EPOLLMSG);
74183
b30a94f7e053 add a flags parameter to select.epoll
Benjamin Peterson <benjamin@python.org>
parents: 73549
diff changeset
2251
74187
0f9276411dce fix for old kernels which don't have epoll_create1
Benjamin Peterson <benjamin@python.org>
parents: 74183
diff changeset
2252 #ifdef EPOLL_CLOEXEC
74183
b30a94f7e053 add a flags parameter to select.epoll
Benjamin Peterson <benjamin@python.org>
parents: 73549
diff changeset
2253 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
2254 #endif
45996
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2255 #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
2256
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
2257 #ifdef HAVE_KQUEUE
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2258 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
2259 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
2260 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
2261 return NULL;
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2262
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2263 Py_INCREF(&kqueue_event_Type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2264 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
2265
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2266 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
2267 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
2268 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2269 Py_INCREF(&kqueue_queue_Type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2270 PyModule_AddObject(m, "kqueue", (PyObject *)&kqueue_queue_Type);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2271
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2272 /* event filters */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2273 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
2274 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
2275 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
2276 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
2277 PyModule_AddIntConstant(m, "KQ_FILTER_PROC", EVFILT_PROC);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2278 #ifdef EVFILT_NETDEV
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2279 PyModule_AddIntConstant(m, "KQ_FILTER_NETDEV", EVFILT_NETDEV);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2280 #endif
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2281 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
2282 PyModule_AddIntConstant(m, "KQ_FILTER_TIMER", EVFILT_TIMER);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2283
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2284 /* event flags */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2285 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
2286 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
2287 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
2288 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
2289 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
2290 PyModule_AddIntConstant(m, "KQ_EV_CLEAR", EV_CLEAR);
45996
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Christian Heimes <christian@cheimes.de>
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diff changeset
2291
61467
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2292 PyModule_AddIntConstant(m, "KQ_EV_SYSFLAGS", EV_SYSFLAGS);
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2293 PyModule_AddIntConstant(m, "KQ_EV_FLAG1", EV_FLAG1);
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2294
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2295 PyModule_AddIntConstant(m, "KQ_EV_EOF", EV_EOF);
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2296 PyModule_AddIntConstant(m, "KQ_EV_ERROR", EV_ERROR);
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2297
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2298 /* READ WRITE filter flag */
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2299 PyModule_AddIntConstant(m, "KQ_NOTE_LOWAT", NOTE_LOWAT);
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2300
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2301 /* VNODE filter flags */
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2302 PyModule_AddIntConstant(m, "KQ_NOTE_DELETE", NOTE_DELETE);
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2303 PyModule_AddIntConstant(m, "KQ_NOTE_WRITE", NOTE_WRITE);
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2304 PyModule_AddIntConstant(m, "KQ_NOTE_EXTEND", NOTE_EXTEND);
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2305 PyModule_AddIntConstant(m, "KQ_NOTE_ATTRIB", NOTE_ATTRIB);
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2306 PyModule_AddIntConstant(m, "KQ_NOTE_LINK", NOTE_LINK);
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2307 PyModule_AddIntConstant(m, "KQ_NOTE_RENAME", NOTE_RENAME);
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2308 PyModule_AddIntConstant(m, "KQ_NOTE_REVOKE", NOTE_REVOKE);
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2309
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2310 /* PROC filter flags */
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2311 PyModule_AddIntConstant(m, "KQ_NOTE_EXIT", NOTE_EXIT);
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2312 PyModule_AddIntConstant(m, "KQ_NOTE_FORK", NOTE_FORK);
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2313 PyModule_AddIntConstant(m, "KQ_NOTE_EXEC", NOTE_EXEC);
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2314 PyModule_AddIntConstant(m, "KQ_NOTE_PCTRLMASK", NOTE_PCTRLMASK);
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2315 PyModule_AddIntConstant(m, "KQ_NOTE_PDATAMASK", NOTE_PDATAMASK);
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2316
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2317 PyModule_AddIntConstant(m, "KQ_NOTE_TRACK", NOTE_TRACK);
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2318 PyModule_AddIntConstant(m, "KQ_NOTE_CHILD", NOTE_CHILD);
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2319 PyModule_AddIntConstant(m, "KQ_NOTE_TRACKERR", NOTE_TRACKERR);
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2320
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2321 /* NETDEV filter flags */
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2322 #ifdef EVFILT_NETDEV
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2323 PyModule_AddIntConstant(m, "KQ_NOTE_LINKUP", NOTE_LINKUP);
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2324 PyModule_AddIntConstant(m, "KQ_NOTE_LINKDOWN", NOTE_LINKDOWN);
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2325 PyModule_AddIntConstant(m, "KQ_NOTE_LINKINV", NOTE_LINKINV);
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2326 #endif
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2327
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2328 #endif /* HAVE_KQUEUE */
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2329 return m;
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2330 }