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annotate Modules/selectmodule.c @ 79063:2bdc8c8ea42e

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Issue #15977: Fix memory leak in Modules/_ssl.c when the function _set_npn_protocols() is called multiple times
author Christian Heimes <christian@cheimes.de>
date Thu, 20 Sep 2012 12:42:54 +0200
parents 6cdc72f4d82c
children 717660ec8f67 dea15868963f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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d617de15774b Yet another pass at fd2obj -- this time for Windows
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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, len = -1;
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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 len = PySequence_Fast_GET_SIZE(fast_seq);
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104
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105 for (i = 0; i < len; i++) {
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106 SOCKET v;
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107
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108 /* any intervening fileno() calls could decr this refcnt */
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109 if (!(o = PySequence_Fast_GET_ITEM(fast_seq, i)))
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110 goto finally;
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111
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112 Py_INCREF(o);
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113 v = PyObject_AsFileDescriptor( o );
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114 if (v == -1) goto finally;
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115
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116 #if defined(_MSC_VER)
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117 max = 0; /* not used for Win32 */
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118 #else /* !_MSC_VER */
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119 if (!_PyIsSelectable_fd(v)) {
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120 PyErr_SetString(PyExc_ValueError,
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121 "filedescriptor out of range in select()");
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122 goto finally;
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123 }
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124 if (v > max)
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125 max = v;
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126 #endif /* _MSC_VER */
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127 FD_SET(v, set);
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128
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129 /* add object and its file descriptor to the list */
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130 if (index >= FD_SETSIZE) {
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131 PyErr_SetString(PyExc_ValueError,
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132 "too many file descriptors in select()");
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133 goto finally;
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134 }
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135 fd2obj[index].obj = o;
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136 fd2obj[index].fd = v;
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137 fd2obj[index].sentinel = 0;
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138 fd2obj[++index].sentinel = -1;
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139 }
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140 Py_DECREF(fast_seq);
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141 return max+1;
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142
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143 finally:
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144 Py_XDECREF(o);
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145 Py_DECREF(fast_seq);
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146 return -1;
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147 }
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148
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149 /* returns NULL and sets the Python exception if an error occurred */
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150 static PyObject *
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151 set2list(fd_set *set, pylist fd2obj[FD_SETSIZE + 1])
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152 {
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153 int i, j, count=0;
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154 PyObject *list, *o;
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155 SOCKET fd;
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156
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157 for (j = 0; fd2obj[j].sentinel >= 0; j++) {
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158 if (FD_ISSET(fd2obj[j].fd, set))
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159 count++;
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160 }
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161 list = PyList_New(count);
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162 if (!list)
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163 return NULL;
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164
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165 i = 0;
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166 for (j = 0; fd2obj[j].sentinel >= 0; j++) {
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167 fd = fd2obj[j].fd;
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168 if (FD_ISSET(fd, set)) {
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169 o = fd2obj[j].obj;
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170 fd2obj[j].obj = NULL;
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171 /* transfer ownership */
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172 if (PyList_SetItem(list, i, o) < 0)
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173 goto finally;
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174
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175 i++;
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176 }
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177 }
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178 return list;
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179 finally:
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180 Py_DECREF(list);
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181 return NULL;
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182 }
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183
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184 #undef SELECT_USES_HEAP
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185 #if FD_SETSIZE > 1024
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186 #define SELECT_USES_HEAP
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187 #endif /* FD_SETSIZE > 1024 */
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188
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189 static PyObject *
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190 select_select(PyObject *self, PyObject *args)
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191 {
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192 #ifdef SELECT_USES_HEAP
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193 pylist *rfd2obj, *wfd2obj, *efd2obj;
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194 #else /* !SELECT_USES_HEAP */
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195 /* XXX: All this should probably be implemented as follows:
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196 * - find the highest descriptor we're interested in
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197 * - add one
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198 * - that's the size
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199 * See: Stevens, APitUE, $12.5.1
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200 */
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201 pylist rfd2obj[FD_SETSIZE + 1];
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202 pylist wfd2obj[FD_SETSIZE + 1];
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203 pylist efd2obj[FD_SETSIZE + 1];
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204 #endif /* SELECT_USES_HEAP */
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205 PyObject *ifdlist, *ofdlist, *efdlist;
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206 PyObject *ret = NULL;
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207 PyObject *tout = Py_None;
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208 fd_set ifdset, ofdset, efdset;
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209 struct timeval tv, *tvp;
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210 int imax, omax, emax, max;
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211 int n;
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212
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213 /* convert arguments */
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214 if (!PyArg_UnpackTuple(args, "select", 3, 4,
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215 &ifdlist, &ofdlist, &efdlist, &tout))
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216 return NULL;
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217
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218 if (tout == Py_None)
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219 tvp = (struct timeval *)0;
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220 else if (!PyNumber_Check(tout)) {
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221 PyErr_SetString(PyExc_TypeError,
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222 "timeout must be a float or None");
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223 return NULL;
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224 }
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225 else {
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226 #ifdef MS_WINDOWS
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227 time_t sec;
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228 if (_PyTime_ObjectToTimeval(tout, &sec, &tv.tv_usec) == -1)
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229 return NULL;
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230 assert(sizeof(tv.tv_sec) == sizeof(long));
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231 #if SIZEOF_TIME_T > SIZEOF_LONG
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232 if (sec > LONG_MAX) {
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233 PyErr_SetString(PyExc_OverflowError,
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234 "timeout is too large");
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235 return NULL;
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236 }
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237 #endif
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238 tv.tv_sec = (long)sec;
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239 #else
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240 /* 64-bit OS X has struct timeval.tv_usec as an int (and thus still 4
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241 bytes as required), but no longer defined by a long. */
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242 long tv_usec;
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243 if (_PyTime_ObjectToTimeval(tout, &tv.tv_sec, &tv_usec) == -1)
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244 return NULL;
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245 tv.tv_usec = tv_usec;
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246 #endif
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247 if (tv.tv_sec < 0) {
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248 PyErr_SetString(PyExc_ValueError, "timeout must be non-negative");
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249 return NULL;
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250 }
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251 tvp = &tv;
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252 }
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253
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254
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255 #ifdef SELECT_USES_HEAP
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256 /* Allocate memory for the lists */
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257 rfd2obj = PyMem_NEW(pylist, FD_SETSIZE + 1);
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258 wfd2obj = PyMem_NEW(pylist, FD_SETSIZE + 1);
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259 efd2obj = PyMem_NEW(pylist, FD_SETSIZE + 1);
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260 if (rfd2obj == NULL || wfd2obj == NULL || efd2obj == NULL) {
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261 if (rfd2obj) PyMem_DEL(rfd2obj);
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262 if (wfd2obj) PyMem_DEL(wfd2obj);
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263 if (efd2obj) PyMem_DEL(efd2obj);
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264 return PyErr_NoMemory();
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265 }
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266 #endif /* SELECT_USES_HEAP */
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267 /* Convert sequences to fd_sets, and get maximum fd number
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268 * propagates the Python exception set in seq2set()
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269 */
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270 rfd2obj[0].sentinel = -1;
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271 wfd2obj[0].sentinel = -1;
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272 efd2obj[0].sentinel = -1;
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273 if ((imax=seq2set(ifdlist, &ifdset, rfd2obj)) < 0)
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274 goto finally;
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275 if ((omax=seq2set(ofdlist, &ofdset, wfd2obj)) < 0)
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276 goto finally;
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277 if ((emax=seq2set(efdlist, &efdset, efd2obj)) < 0)
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278 goto finally;
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279 max = imax;
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280 if (omax > max) max = omax;
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281 if (emax > max) max = emax;
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282
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283 Py_BEGIN_ALLOW_THREADS
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284 n = select(max, &ifdset, &ofdset, &efdset, tvp);
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285 Py_END_ALLOW_THREADS
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286
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287 #ifdef MS_WINDOWS
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288 if (n == SOCKET_ERROR) {
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289 PyErr_SetExcFromWindowsErr(PyExc_OSError, WSAGetLastError());
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290 }
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291 #else
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292 if (n < 0) {
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293 PyErr_SetFromErrno(PyExc_OSError);
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294 }
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295 #endif
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296 else {
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297 /* any of these three calls can raise an exception. it's more
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298 convenient to test for this after all three calls... but
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299 is that acceptable?
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300 */
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301 ifdlist = set2list(&ifdset, rfd2obj);
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302 ofdlist = set2list(&ofdset, wfd2obj);
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303 efdlist = set2list(&efdset, efd2obj);
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304 if (PyErr_Occurred())
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305 ret = NULL;
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306 else
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307 ret = PyTuple_Pack(3, ifdlist, ofdlist, efdlist);
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308
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309 Py_DECREF(ifdlist);
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310 Py_DECREF(ofdlist);
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311 Py_DECREF(efdlist);
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312 }
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313
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314 finally:
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315 reap_obj(rfd2obj);
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316 reap_obj(wfd2obj);
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317 reap_obj(efd2obj);
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318 #ifdef SELECT_USES_HEAP
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319 PyMem_DEL(rfd2obj);
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320 PyMem_DEL(wfd2obj);
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321 PyMem_DEL(efd2obj);
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322 #endif /* SELECT_USES_HEAP */
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323 return ret;
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324 }
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325
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326 #if defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)
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327 /*
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328 * poll() support
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329 */
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330
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331 typedef struct {
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332 PyObject_HEAD
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333 PyObject *dict;
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334 int ufd_uptodate;
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335 int ufd_len;
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336 struct pollfd *ufds;
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337 } pollObject;
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338
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339 static PyTypeObject poll_Type;
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340
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341 /* Update the malloc'ed array of pollfds to match the dictionary
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342 contained within a pollObject. Return 1 on success, 0 on an error.
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343 */
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344
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345 static int
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346 update_ufd_array(pollObject *self)
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347 {
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348 Py_ssize_t i, pos;
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349 PyObject *key, *value;
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350 struct pollfd *old_ufds = self->ufds;
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351
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352 self->ufd_len = PyDict_Size(self->dict);
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353 PyMem_RESIZE(self->ufds, struct pollfd, self->ufd_len);
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354 if (self->ufds == NULL) {
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355 self->ufds = old_ufds;
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356 PyErr_NoMemory();
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357 return 0;
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358 }
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359
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360 i = pos = 0;
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361 while (PyDict_Next(self->dict, &pos, &key, &value)) {
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362 self->ufds[i].fd = PyLong_AsLong(key);
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363 self->ufds[i].events = (short)PyLong_AsLong(value);
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364 i++;
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365 }
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366 self->ufd_uptodate = 1;
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367 return 1;
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368 }
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369
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370 PyDoc_STRVAR(poll_register_doc,
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371 "register(fd [, eventmask] ) -> None\n\n\
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372 Register a file descriptor with the polling object.\n\
19311
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373 fd -- either an integer, or an object with a fileno() method returning an\n\
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374 int.\n\
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375 events -- an optional bitmask describing the type of events to check for");
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376
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377 static PyObject *
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378 poll_register(pollObject *self, PyObject *args)
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379 {
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380 PyObject *o, *key, *value;
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381 int fd, events = POLLIN | POLLPRI | POLLOUT;
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382 int err;
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383
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384 if (!PyArg_ParseTuple(args, "O|i:register", &o, &events)) {
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385 return NULL;
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386 }
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387
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388 fd = PyObject_AsFileDescriptor(o);
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389 if (fd == -1) return NULL;
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390
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391 /* Add entry to the internal dictionary: the key is the
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392 file descriptor, and the value is the event mask. */
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393 key = PyLong_FromLong(fd);
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394 if (key == NULL)
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395 return NULL;
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396 value = PyLong_FromLong(events);
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397 if (value == NULL) {
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398 Py_DECREF(key);
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399 return NULL;
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400 }
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401 err = PyDict_SetItem(self->dict, key, value);
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402 Py_DECREF(key);
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403 Py_DECREF(value);
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404 if (err < 0)
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405 return NULL;
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406
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407 self->ufd_uptodate = 0;
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408
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409 Py_INCREF(Py_None);
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410 return Py_None;
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411 }
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412
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413 PyDoc_STRVAR(poll_modify_doc,
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414 "modify(fd, eventmask) -> None\n\n\
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415 Modify an already registered file descriptor.\n\
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416 fd -- either an integer, or an object with a fileno() method returning an\n\
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417 int.\n\
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418 events -- an optional bitmask describing the type of events to check for");
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419
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420 static PyObject *
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421 poll_modify(pollObject *self, PyObject *args)
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422 {
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423 PyObject *o, *key, *value;
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424 int fd, events;
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425 int err;
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426
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427 if (!PyArg_ParseTuple(args, "Oi:modify", &o, &events)) {
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428 return NULL;
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429 }
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430
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431 fd = PyObject_AsFileDescriptor(o);
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432 if (fd == -1) return NULL;
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433
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434 /* Modify registered fd */
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435 key = PyLong_FromLong(fd);
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436 if (key == NULL)
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437 return NULL;
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438 if (PyDict_GetItem(self->dict, key) == NULL) {
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439 errno = ENOENT;
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440 PyErr_SetFromErrno(PyExc_OSError);
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441 Py_DECREF(key);
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442 return NULL;
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443 }
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444 value = PyLong_FromLong(events);
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445 if (value == NULL) {
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446 Py_DECREF(key);
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447 return NULL;
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448 }
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449 err = PyDict_SetItem(self->dict, key, value);
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450 Py_DECREF(key);
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451 Py_DECREF(value);
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452 if (err < 0)
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453 return NULL;
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454
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455 self->ufd_uptodate = 0;
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456
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457 Py_INCREF(Py_None);
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458 return Py_None;
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459 }
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460
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461
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462 PyDoc_STRVAR(poll_unregister_doc,
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463 "unregister(fd) -> None\n\n\
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464 Remove a file descriptor being tracked by the polling object.");
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465
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466 static PyObject *
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467 poll_unregister(pollObject *self, PyObject *o)
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468 {
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469 PyObject *key;
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470 int fd;
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471
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472 fd = PyObject_AsFileDescriptor( o );
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473 if (fd == -1)
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474 return NULL;
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475
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476 /* Check whether the fd is already in the array */
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477 key = PyLong_FromLong(fd);
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478 if (key == NULL)
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479 return NULL;
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480
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481 if (PyDict_DelItem(self->dict, key) == -1) {
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482 Py_DECREF(key);
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483 /* This will simply raise the KeyError set by PyDict_DelItem
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484 if the file descriptor isn't registered. */
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485 return NULL;
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486 }
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487
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488 Py_DECREF(key);
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489 self->ufd_uptodate = 0;
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490
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491 Py_INCREF(Py_None);
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492 return Py_None;
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493 }
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494
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495 PyDoc_STRVAR(poll_poll_doc,
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496 "poll( [timeout] ) -> list of (fd, event) 2-tuples\n\n\
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497 Polls the set of registered file descriptors, returning a list containing \n\
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498 any descriptors that have events or errors to report.");
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499
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500 static PyObject *
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501 poll_poll(pollObject *self, PyObject *args)
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502 {
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503 PyObject *result_list = NULL, *tout = NULL;
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504 int timeout = 0, poll_result, i, j;
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505 PyObject *value = NULL, *num = NULL;
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506
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507 if (!PyArg_UnpackTuple(args, "poll", 0, 1, &tout)) {
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508 return NULL;
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509 }
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35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
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diff changeset
510
61467
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511 /* Check values for timeout */
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diff changeset
512 if (tout == NULL || tout == Py_None)
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diff changeset
513 timeout = -1;
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514 else if (!PyNumber_Check(tout)) {
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diff changeset
515 PyErr_SetString(PyExc_TypeError,
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diff changeset
516 "timeout must be an integer or None");
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diff changeset
517 return NULL;
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518 }
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519 else {
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520 tout = PyNumber_Long(tout);
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521 if (!tout)
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522 return NULL;
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523 timeout = PyLong_AsLong(tout);
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524 Py_DECREF(tout);
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diff changeset
525 if (timeout == -1 && PyErr_Occurred())
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526 return NULL;
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527 }
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35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
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528
61467
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529 /* Ensure the ufd array is up to date */
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530 if (!self->ufd_uptodate)
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531 if (update_ufd_array(self) == 0)
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532 return NULL;
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533
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534 /* call poll() */
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diff changeset
535 Py_BEGIN_ALLOW_THREADS
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536 poll_result = poll(self->ufds, self->ufd_len, timeout);
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537 Py_END_ALLOW_THREADS
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538
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539 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
540 PyErr_SetFromErrno(PyExc_OSError);
61467
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541 return NULL;
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542 }
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35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
543
61467
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544 /* build the result list */
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
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diff changeset
545
61467
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546 result_list = PyList_New(poll_result);
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547 if (!result_list)
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548 return NULL;
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549 else {
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diff changeset
550 for (i = 0, j = 0; j < poll_result; j++) {
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diff changeset
551 /* skip to the next fired descriptor */
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parents: 60425
diff changeset
552 while (!self->ufds[i].revents) {
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diff changeset
553 i++;
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diff changeset
554 }
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555 /* if we hit a NULL return, set value to NULL
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diff changeset
556 and break out of loop; code at end will
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557 clean up result_list */
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diff changeset
558 value = PyTuple_New(2);
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diff changeset
559 if (value == NULL)
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diff changeset
560 goto error;
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561 num = PyLong_FromLong(self->ufds[i].fd);
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562 if (num == NULL) {
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563 Py_DECREF(value);
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564 goto error;
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565 }
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diff changeset
566 PyTuple_SET_ITEM(value, 0, num);
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567
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568 /* The &0xffff is a workaround for AIX. 'revents'
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569 is a 16-bit short, and IBM assigned POLLNVAL
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570 to be 0x8000, so the conversion to int results
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571 in a negative number. See SF bug #923315. */
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572 num = PyLong_FromLong(self->ufds[i].revents & 0xffff);
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573 if (num == NULL) {
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574 Py_DECREF(value);
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575 goto error;
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576 }
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577 PyTuple_SET_ITEM(value, 1, num);
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578 if ((PyList_SetItem(result_list, j, value)) == -1) {
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diff changeset
579 Py_DECREF(value);
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diff changeset
580 goto error;
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581 }
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diff changeset
582 i++;
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583 }
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diff changeset
584 }
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585 return result_list;
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
586
35b7989ba20c Add interface to poll() system call (SF patch #100852)
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parents: 13761
diff changeset
587 error:
61467
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588 Py_DECREF(result_list);
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diff changeset
589 return NULL;
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
590 }
35b7989ba20c Add interface to poll() system call (SF patch #100852)
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parents: 13761
diff changeset
591
35b7989ba20c Add interface to poll() system call (SF patch #100852)
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diff changeset
592 static PyMethodDef poll_methods[] = {
61467
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593 {"register", (PyCFunction)poll_register,
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diff changeset
594 METH_VARARGS, poll_register_doc},
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595 {"modify", (PyCFunction)poll_modify,
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596 METH_VARARGS, poll_modify_doc},
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597 {"unregister", (PyCFunction)poll_unregister,
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598 METH_O, poll_unregister_doc},
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599 {"poll", (PyCFunction)poll_poll,
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600 METH_VARARGS, poll_poll_doc},
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601 {NULL, NULL} /* sentinel */
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
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diff changeset
602 };
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
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diff changeset
603
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
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diff changeset
604 static pollObject *
14277
984abd20eec2 Peter Schneider-Kamp <nowonder@nowonder.de>:
Fred Drake <fdrake@acm.org>
parents: 14182
diff changeset
605 newPollObject(void)
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
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diff changeset
606 {
61467
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607 pollObject *self;
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608 self = PyObject_New(pollObject, &poll_Type);
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609 if (self == NULL)
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610 return NULL;
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611 /* ufd_uptodate is a Boolean, denoting whether the
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diff changeset
612 array pointed to by ufds matches the contents of the dictionary. */
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613 self->ufd_uptodate = 0;
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614 self->ufds = NULL;
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615 self->dict = PyDict_New();
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616 if (self->dict == NULL) {
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617 Py_DECREF(self);
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618 return NULL;
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619 }
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620 return self;
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Andrew M. Kuchling <amk@amk.ca>
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diff changeset
621 }
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
622
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
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diff changeset
623 static void
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
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diff changeset
624 poll_dealloc(pollObject *self)
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
625 {
61467
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626 if (self->ufds != NULL)
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diff changeset
627 PyMem_DEL(self->ufds);
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628 Py_XDECREF(self->dict);
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diff changeset
629 PyObject_Del(self);
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
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diff changeset
630 }
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
631
24283
c0a67a1cab09 Removed more stray instances of statichere, but left _sre.c alone.
Tim Peters <tim.peters@gmail.com>
parents: 24280
diff changeset
632 static PyTypeObject poll_Type = {
61467
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633 /* The ob_type field must be initialized in the module init function
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634 * to be portable to Windows without using C++. */
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635 PyVarObject_HEAD_INIT(NULL, 0)
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diff changeset
636 "select.poll", /*tp_name*/
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637 sizeof(pollObject), /*tp_basicsize*/
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638 0, /*tp_itemsize*/
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diff changeset
639 /* methods */
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diff changeset
640 (destructor)poll_dealloc, /*tp_dealloc*/
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Antoine Pitrou <solipsis@pitrou.net>
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641 0, /*tp_print*/
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642 0, /*tp_getattr*/
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643 0, /*tp_setattr*/
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644 0, /*tp_reserved*/
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645 0, /*tp_repr*/
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646 0, /*tp_as_number*/
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647 0, /*tp_as_sequence*/
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648 0, /*tp_as_mapping*/
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649 0, /*tp_hash*/
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650 0, /*tp_call*/
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651 0, /*tp_str*/
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652 0, /*tp_getattro*/
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653 0, /*tp_setattro*/
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654 0, /*tp_as_buffer*/
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diff changeset
655 Py_TPFLAGS_DEFAULT, /*tp_flags*/
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656 0, /*tp_doc*/
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657 0, /*tp_traverse*/
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658 0, /*tp_clear*/
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659 0, /*tp_richcompare*/
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660 0, /*tp_weaklistoffset*/
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661 0, /*tp_iter*/
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662 0, /*tp_iternext*/
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diff changeset
663 poll_methods, /*tp_methods*/
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
664 };
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
665
73549
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
666 #ifdef HAVE_SYS_DEVPOLL_H
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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667 typedef struct {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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668 PyObject_HEAD
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
669 int fd_devpoll;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
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diff changeset
670 int max_n_fds;
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Jesus Cea <jcea@jcea.es>
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diff changeset
671 int n_fds;
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672 struct pollfd *fds;
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673 } devpollObject;
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674
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Jesus Cea <jcea@jcea.es>
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diff changeset
675 static PyTypeObject devpoll_Type;
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676
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Jesus Cea <jcea@jcea.es>
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diff changeset
677 static int devpoll_flush(devpollObject *self)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
678 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
679 int size, n;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
680
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
681 if (!self->n_fds) return 0;
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682
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
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diff changeset
683 size = sizeof(struct pollfd)*self->n_fds;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
684 self->n_fds = 0;
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Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
685
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Jesus Cea <jcea@jcea.es>
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diff changeset
686 Py_BEGIN_ALLOW_THREADS
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Jesus Cea <jcea@jcea.es>
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diff changeset
687 n = write(self->fd_devpoll, self->fds, size);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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parents: 72879
diff changeset
688 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
689
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
690 if (n == -1 ) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
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diff changeset
691 PyErr_SetFromErrno(PyExc_IOError);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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parents: 72879
diff changeset
692 return -1;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
693 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
694 if (n < size) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
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diff changeset
695 /*
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
696 ** 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
697 ** 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
698 ** an exception and see if we actually found this problem in
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
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diff changeset
699 ** the wild.
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
700 ** See http://bugs.python.org/issue6397.
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
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diff changeset
701 */
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
702 PyErr_Format(PyExc_IOError, "failed to write all pollfds. "
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
703 "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
704 "Data to report: Size tried: %d, actual size written: %d.",
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
705 size, 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
706 return -1;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
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diff changeset
707 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
708 return 0;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
709 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
710
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
711 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
712 internal_devpoll_register(devpollObject *self, PyObject *args, int remove)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
713 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
714 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
715 int fd, events = POLLIN | POLLPRI | POLLOUT;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
716
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
717 if (!PyArg_ParseTuple(args, "O|i:register", &o, &events)) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
718 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
719 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
720
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
721 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
722 if (fd == -1) return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
723
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
724 if (remove) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
725 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
726 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
727
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
728 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
729 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
730 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
731 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
732 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
733
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
734 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
735 self->fds[self->n_fds].events = events;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
736
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
737 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
738 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
739 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
740 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
741
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
742 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
743 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
744
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
745 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
746 "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
747 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
748 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
749 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
750 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
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 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
753 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
754 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
755 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>
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diff changeset
756 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
757
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
758 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
759 "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
760 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
761 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
762 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
763 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
764
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
765 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
766 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
767 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
768 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
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
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 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
773 "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
774 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
775
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
776 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
777 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
778 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
779 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
780
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
781 fd = 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
782 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
783 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
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 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
786 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
787
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
788 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
789 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
790 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
791 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
792
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
793 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
794 }
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 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
797 "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
798 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
799 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
800
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
801 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
802 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
803 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
804 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
805 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
806 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
807 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
808 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
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 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
811 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
812 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
813
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
814 /* 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
815 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
816 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
817 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
818 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
819 "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
820 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
821 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
822 else {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
823 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
824 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
825 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
826 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
827 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
828 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
829 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
830 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
831
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
832 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
833 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
834 "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
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
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
838 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
839 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
840
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
841 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
842 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
843 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
844
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
845 /* 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
846 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
847 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
848 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
849
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
850 if (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
851 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
852 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
853 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
854
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
855 /* 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
856
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
857 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
858 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
859 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
860 else {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
861 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
862 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
863 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
864 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
865 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
866 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
867 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
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 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
870 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
871 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
872 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
873 goto error;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
874 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
875 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
876 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
877 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
878 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
879 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
880
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
881 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
882
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
883 error:
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
884 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
885 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
886 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
887
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
888 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
889 {"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
890 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
891 {"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
892 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
893 {"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
894 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
895 {"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
896 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
897 {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
898 };
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
899
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
900 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
901 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
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 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
904 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
905 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
906 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
907
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
908 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
909 /*
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
910 ** 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
911 ** 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
912 ** 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
913 ** 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
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 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
916 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
917 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
918 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
919
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
920 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
921 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
922 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
923 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
924 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
925 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
926 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
927 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
928
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
929 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
930 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
931 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
932 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
933 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
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
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
936 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
937 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
938 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
939 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
940 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
941 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
942 self->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
943 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
944 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
945 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
946
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
947 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
948 }
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 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
951 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
952 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
953 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
954 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
955 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
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 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
958
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
959 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
960 }
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 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
963 /* 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
964 * 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
965 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
966 "select.devpoll", /*tp_name*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
967 sizeof(devpollObject), /*tp_basicsize*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
968 0, /*tp_itemsize*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
969 /* methods */
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
970 (destructor)devpoll_dealloc, /*tp_dealloc*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
971 0, /*tp_print*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
972 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
973 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
974 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
975 0, /*tp_repr*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
976 0, /*tp_as_number*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
977 0, /*tp_as_sequence*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
978 0, /*tp_as_mapping*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
979 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
980 0, /*tp_call*/
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981 0, /*tp_str*/
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982 0, /*tp_getattro*/
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diff changeset
983 0, /*tp_setattro*/
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diff changeset
984 0, /*tp_as_buffer*/
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985 Py_TPFLAGS_DEFAULT, /*tp_flags*/
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986 0, /*tp_doc*/
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987 0, /*tp_traverse*/
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988 0, /*tp_clear*/
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diff changeset
989 0, /*tp_richcompare*/
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diff changeset
990 0, /*tp_weaklistoffset*/
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991 0, /*tp_iter*/
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992 0, /*tp_iternext*/
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diff changeset
993 devpoll_methods, /*tp_methods*/
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diff changeset
994 };
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diff changeset
995 #endif /* HAVE_SYS_DEVPOLL_H */
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diff changeset
996
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diff changeset
997
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diff changeset
998
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diff changeset
999 PyDoc_STRVAR(poll_doc,
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1000 "Returns a polling object, which supports registering and\n\
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diff changeset
1001 unregistering file descriptors, and then polling them for I/O events.");
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1002
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1003 static PyObject *
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1004 select_poll(PyObject *self, PyObject *unused)
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1005 {
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1006 return (PyObject *)newPollObject();
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1007 }
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1008
73549
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1009 #ifdef HAVE_SYS_DEVPOLL_H
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diff changeset
1010 PyDoc_STRVAR(devpoll_doc,
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1011 "Returns a polling object, which supports registering and\n\
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
1012 unregistering file descriptors, and then polling them for I/O events.");
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1013
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1014 static PyObject *
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diff changeset
1015 select_devpoll(PyObject *self, PyObject *unused)
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1016 {
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diff changeset
1017 return (PyObject *)newDevPollObject();
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1018 }
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1019 #endif
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1020
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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1021
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1022 #ifdef __APPLE__
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1023 /*
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1024 * On some systems poll() sets errno on invalid file descriptors. We test
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1025 * for this at runtime because this bug may be fixed or introduced between
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diff changeset
1026 * OS releases.
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1027 */
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diff changeset
1028 static int select_have_broken_poll(void)
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1029 {
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1030 int poll_test;
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1031 int filedes[2];
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1032
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1033 struct pollfd poll_struct = { 0, POLLIN|POLLPRI|POLLOUT, 0 };
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1034
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1035 /* Create a file descriptor to make invalid */
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1036 if (pipe(filedes) < 0) {
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1037 return 1;
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1038 }
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1039 poll_struct.fd = filedes[0];
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diff changeset
1040 close(filedes[0]);
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1041 close(filedes[1]);
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1042 poll_test = poll(&poll_struct, 1, 0);
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diff changeset
1043 if (poll_test < 0) {
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1044 return 1;
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1045 } else if (poll_test == 0 && poll_struct.revents != POLLNVAL) {
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1046 return 1;
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1047 }
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1048 return 0;
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1049 }
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1050 #endif /* __APPLE__ */
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1051
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1052 #endif /* HAVE_POLL */
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1053
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1054 #ifdef HAVE_EPOLL
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1055 /* **************************************************************************
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1056 * epoll interface for Linux 2.6
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diff changeset
1057 *
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diff changeset
1058 * Written by Christian Heimes
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1059 * Inspired by Twisted's _epoll.pyx and select.poll()
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1060 */
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diff changeset
1061
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1062 #ifdef HAVE_SYS_EPOLL_H
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1063 #include <sys/epoll.h>
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1064 #endif
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1065
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1066 typedef struct {
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1067 PyObject_HEAD
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1068 SOCKET epfd; /* epoll control file descriptor */
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1069 } pyEpoll_Object;
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diff changeset
1070
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1071 static PyTypeObject pyEpoll_Type;
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1072 #define pyepoll_CHECK(op) (PyObject_TypeCheck((op), &pyEpoll_Type))
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1073
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1074 static PyObject *
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diff changeset
1075 pyepoll_err_closed(void)
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1076 {
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1077 PyErr_SetString(PyExc_ValueError, "I/O operation on closed epoll fd");
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1078 return NULL;
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1079 }
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1080
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1081 static int
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1082 pyepoll_internal_close(pyEpoll_Object *self)
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1083 {
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1084 int save_errno = 0;
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1085 if (self->epfd >= 0) {
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1086 int epfd = self->epfd;
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1087 self->epfd = -1;
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1088 Py_BEGIN_ALLOW_THREADS
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1089 if (close(epfd) < 0)
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1090 save_errno = errno;
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1091 Py_END_ALLOW_THREADS
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1092 }
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1093 return save_errno;
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1094 }
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1095
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1096 static PyObject *
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1097 newPyEpoll_Object(PyTypeObject *type, int sizehint, int flags, SOCKET fd)
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1098 {
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1099 pyEpoll_Object *self;
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1100
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1101 assert(type != NULL && type->tp_alloc != NULL);
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1102 self = (pyEpoll_Object *) type->tp_alloc(type, 0);
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1103 if (self == NULL)
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1104 return NULL;
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1105
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1106 if (fd == -1) {
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1107 Py_BEGIN_ALLOW_THREADS
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1108 #ifdef HAVE_EPOLL_CREATE1
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1109 if (flags)
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1110 self->epfd = epoll_create1(flags);
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1111 else
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1112 #endif
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1113 self->epfd = epoll_create(sizehint);
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1114 Py_END_ALLOW_THREADS
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1115 }
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1116 else {
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1117 self->epfd = fd;
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1118 }
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1119 if (self->epfd < 0) {
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1120 Py_DECREF(self);
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1121 PyErr_SetFromErrno(PyExc_OSError);
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1122 return NULL;
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1123 }
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1124 return (PyObject *)self;
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1125 }
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1126
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1127
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1128 static PyObject *
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1129 pyepoll_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
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1130 {
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1131 int flags = 0, sizehint = FD_SETSIZE - 1;
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1132 static char *kwlist[] = {"sizehint", "flags", NULL};
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1133
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1134 if (!PyArg_ParseTupleAndKeywords(args, kwds, "|ii:epoll", kwlist,
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1135 &sizehint, &flags))
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1136 return NULL;
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1137 if (sizehint < 0) {
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1138 PyErr_SetString(PyExc_ValueError, "negative sizehint");
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1139 return NULL;
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1140 }
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1141
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1142 return newPyEpoll_Object(type, sizehint, flags, -1);
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1143 }
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1144
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1145
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1146 static void
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1147 pyepoll_dealloc(pyEpoll_Object *self)
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1148 {
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1149 (void)pyepoll_internal_close(self);
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1150 Py_TYPE(self)->tp_free(self);
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1151 }
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1152
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1153 static PyObject*
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1154 pyepoll_close(pyEpoll_Object *self)
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1155 {
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1156 errno = pyepoll_internal_close(self);
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1157 if (errno < 0) {
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1158 PyErr_SetFromErrno(PyExc_OSError);
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1159 return NULL;
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1160 }
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1161 Py_RETURN_NONE;
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1162 }
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1163
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1164 PyDoc_STRVAR(pyepoll_close_doc,
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1165 "close() -> None\n\
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1166 \n\
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1167 Close the epoll control file descriptor. Further operations on the epoll\n\
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1168 object will raise an exception.");
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1169
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1170 static PyObject*
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1171 pyepoll_get_closed(pyEpoll_Object *self)
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1172 {
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1173 if (self->epfd < 0)
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1174 Py_RETURN_TRUE;
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1175 else
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1176 Py_RETURN_FALSE;
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1177 }
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1178
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1179 static PyObject*
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1180 pyepoll_fileno(pyEpoll_Object *self)
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1181 {
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1182 if (self->epfd < 0)
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1183 return pyepoll_err_closed();
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1184 return PyLong_FromLong(self->epfd);
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1185 }
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1186
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1187 PyDoc_STRVAR(pyepoll_fileno_doc,
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1188 "fileno() -> int\n\
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1189 \n\
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1190 Return the epoll control file descriptor.");
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1191
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1192 static PyObject*
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1193 pyepoll_fromfd(PyObject *cls, PyObject *args)
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1194 {
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1195 SOCKET fd;
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1196
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1197 if (!PyArg_ParseTuple(args, "i:fromfd", &fd))
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1198 return NULL;
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1199
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1200 return newPyEpoll_Object((PyTypeObject*)cls, FD_SETSIZE - 1, 0, fd);
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1201 }
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1202
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1203 PyDoc_STRVAR(pyepoll_fromfd_doc,
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1204 "fromfd(fd) -> epoll\n\
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1205 \n\
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1206 Create an epoll object from a given control fd.");
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1207
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1208 static PyObject *
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1209 pyepoll_internal_ctl(int epfd, int op, PyObject *pfd, unsigned int events)
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1210 {
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1211 struct epoll_event ev;
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1212 int result;
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1213 int fd;
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1214
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1215 if (epfd < 0)
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1216 return pyepoll_err_closed();
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1217
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1218 fd = PyObject_AsFileDescriptor(pfd);
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1219 if (fd == -1) {
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1220 return NULL;
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1221 }
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1222
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1223 switch(op) {
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1224 case EPOLL_CTL_ADD:
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1225 case EPOLL_CTL_MOD:
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1226 ev.events = events;
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1227 ev.data.fd = fd;
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1228 Py_BEGIN_ALLOW_THREADS
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1229 result = epoll_ctl(epfd, op, fd, &ev);
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1230 Py_END_ALLOW_THREADS
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1231 break;
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1232 case EPOLL_CTL_DEL:
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1233 /* In kernel versions before 2.6.9, the EPOLL_CTL_DEL
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1234 * operation required a non-NULL pointer in event, even
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1235 * though this argument is ignored. */
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1236 Py_BEGIN_ALLOW_THREADS
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1237 result = epoll_ctl(epfd, op, fd, &ev);
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1238 if (errno == EBADF) {
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1239 /* fd already closed */
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1240 result = 0;
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1241 errno = 0;
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1242 }
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1243 Py_END_ALLOW_THREADS
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1244 break;
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1245 default:
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1246 result = -1;
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1247 errno = EINVAL;
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1248 }
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1249
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1250 if (result < 0) {
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1251 PyErr_SetFromErrno(PyExc_OSError);
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1252 return NULL;
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1253 }
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1254 Py_RETURN_NONE;
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1255 }
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1256
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1257 static PyObject *
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1258 pyepoll_register(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
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1259 {
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1260 PyObject *pfd;
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1261 unsigned int events = EPOLLIN | EPOLLOUT | EPOLLPRI;
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1262 static char *kwlist[] = {"fd", "eventmask", NULL};
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1263
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1264 if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|I:register", kwlist,
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1265 &pfd, &events)) {
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1266 return NULL;
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1267 }
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1268
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1269 return pyepoll_internal_ctl(self->epfd, EPOLL_CTL_ADD, pfd, events);
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1270 }
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1271
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1272 PyDoc_STRVAR(pyepoll_register_doc,
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1273 "register(fd[, eventmask]) -> None\n\
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1274 \n\
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1275 Registers a new fd or raises an OSError if the fd is already registered.\n\
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1276 fd is the target file descriptor of the operation.\n\
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1277 events is a bit set composed of the various EPOLL constants; the default\n\
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1278 is EPOLL_IN | EPOLL_OUT | EPOLL_PRI.\n\
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1279 \n\
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1280 The epoll interface supports all file descriptors that support poll.");
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1281
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1282 static PyObject *
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1283 pyepoll_modify(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
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1284 {
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1285 PyObject *pfd;
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1286 unsigned int events;
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1287 static char *kwlist[] = {"fd", "eventmask", NULL};
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1288
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1289 if (!PyArg_ParseTupleAndKeywords(args, kwds, "OI:modify", kwlist,
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1290 &pfd, &events)) {
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1291 return NULL;
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1292 }
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1293
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1294 return pyepoll_internal_ctl(self->epfd, EPOLL_CTL_MOD, pfd, events);
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1295 }
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1296
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1297 PyDoc_STRVAR(pyepoll_modify_doc,
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1298 "modify(fd, eventmask) -> None\n\
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1299 \n\
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1300 fd is the target file descriptor of the operation\n\
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1301 events is a bit set composed of the various EPOLL constants");
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1302
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1303 static PyObject *
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1304 pyepoll_unregister(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
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1305 {
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1306 PyObject *pfd;
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1307 static char *kwlist[] = {"fd", NULL};
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1308
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1309 if (!PyArg_ParseTupleAndKeywords(args, kwds, "O:unregister", kwlist,
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1310 &pfd)) {
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1311 return NULL;
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1312 }
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1313
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1314 return pyepoll_internal_ctl(self->epfd, EPOLL_CTL_DEL, pfd, 0);
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1315 }
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1316
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1317 PyDoc_STRVAR(pyepoll_unregister_doc,
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1318 "unregister(fd) -> None\n\
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1319 \n\
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1320 fd is the target file descriptor of the operation.");
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1321
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1322 static PyObject *
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1323 pyepoll_poll(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
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1324 {
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1325 double dtimeout = -1.;
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1326 int timeout;
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1327 int maxevents = -1;
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1328 int nfds, i;
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1329 PyObject *elist = NULL, *etuple = NULL;
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1330 struct epoll_event *evs = NULL;
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1331 static char *kwlist[] = {"timeout", "maxevents", NULL};
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1332
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1333 if (self->epfd < 0)
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1334 return pyepoll_err_closed();
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1335
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1336 if (!PyArg_ParseTupleAndKeywords(args, kwds, "|di:poll", kwlist,
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1337 &dtimeout, &maxevents)) {
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1338 return NULL;
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1339 }
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1340
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1341 if (dtimeout < 0) {
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1342 timeout = -1;
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1343 }
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1344 else if (dtimeout * 1000.0 > INT_MAX) {
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1345 PyErr_SetString(PyExc_OverflowError,
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1346 "timeout is too large");
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1347 return NULL;
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1348 }
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1349 else {
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1350 timeout = (int)(dtimeout * 1000.0);
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1351 }
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1352
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1353 if (maxevents == -1) {
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1354 maxevents = FD_SETSIZE-1;
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1355 }
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1356 else if (maxevents < 1) {
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1357 PyErr_Format(PyExc_ValueError,
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1358 "maxevents must be greater than 0, got %d",
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1359 maxevents);
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1360 return NULL;
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1361 }
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1362
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1363 evs = PyMem_New(struct epoll_event, maxevents);
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1364 if (evs == NULL) {
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1365 Py_DECREF(self);
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1366 PyErr_NoMemory();
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1367 return NULL;
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1368 }
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1369
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1370 Py_BEGIN_ALLOW_THREADS
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1371 nfds = epoll_wait(self->epfd, evs, maxevents, timeout);
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1372 Py_END_ALLOW_THREADS
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1373 if (nfds < 0) {
72879
41a1de81ef2b PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy.
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1374 PyErr_SetFromErrno(PyExc_OSError);
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1375 goto error;
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1376 }
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1377
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1378 elist = PyList_New(nfds);
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1379 if (elist == NULL) {
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1380 goto error;
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1381 }
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1382
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1383 for (i = 0; i < nfds; i++) {
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1384 etuple = Py_BuildValue("iI", evs[i].data.fd, evs[i].events);
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1385 if (etuple == NULL) {
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1386 Py_CLEAR(elist);
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1387 goto error;
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1388 }
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1389 PyList_SET_ITEM(elist, i, etuple);
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1390 }
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1391
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1392 error:
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1393 PyMem_Free(evs);
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1394 return elist;
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1395 }
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1396
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1397 PyDoc_STRVAR(pyepoll_poll_doc,
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1398 "poll([timeout=-1[, maxevents=-1]]) -> [(fd, events), (...)]\n\
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1399 \n\
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1400 Wait for events on the epoll file descriptor for a maximum time of timeout\n\
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1401 in seconds (as float). -1 makes poll wait indefinitely.\n\
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1402 Up to maxevents are returned to the caller.");
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1403
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1404 static PyMethodDef pyepoll_methods[] = {
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1405 {"fromfd", (PyCFunction)pyepoll_fromfd,
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1406 METH_VARARGS | METH_CLASS, pyepoll_fromfd_doc},
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1407 {"close", (PyCFunction)pyepoll_close, METH_NOARGS,
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1408 pyepoll_close_doc},
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1409 {"fileno", (PyCFunction)pyepoll_fileno, METH_NOARGS,
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1410 pyepoll_fileno_doc},
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1411 {"modify", (PyCFunction)pyepoll_modify,
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1412 METH_VARARGS | METH_KEYWORDS, pyepoll_modify_doc},
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1413 {"register", (PyCFunction)pyepoll_register,
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1414 METH_VARARGS | METH_KEYWORDS, pyepoll_register_doc},
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1415 {"unregister", (PyCFunction)pyepoll_unregister,
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1416 METH_VARARGS | METH_KEYWORDS, pyepoll_unregister_doc},
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1417 {"poll", (PyCFunction)pyepoll_poll,
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1418 METH_VARARGS | METH_KEYWORDS, pyepoll_poll_doc},
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1419 {NULL, NULL},
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1420 };
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1421
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1422 static PyGetSetDef pyepoll_getsetlist[] = {
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1423 {"closed", (getter)pyepoll_get_closed, NULL,
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1424 "True if the epoll handler is closed"},
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1425 {0},
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1426 };
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1427
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1428 PyDoc_STRVAR(pyepoll_doc,
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1429 "select.epoll(sizehint=-1, flags=0)\n\
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1430 \n\
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1431 Returns an epolling object\n\
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1432 \n\
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1433 sizehint must be a positive integer or -1 for the default size. The\n\
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1434 sizehint is used to optimize internal data structures. It doesn't limit\n\
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1435 the maximum number of monitored events.");
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1436
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1437 static PyTypeObject pyEpoll_Type = {
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1438 PyVarObject_HEAD_INIT(NULL, 0)
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1439 "select.epoll", /* tp_name */
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1440 sizeof(pyEpoll_Object), /* tp_basicsize */
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1441 0, /* tp_itemsize */
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1442 (destructor)pyepoll_dealloc, /* tp_dealloc */
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1443 0, /* tp_print */
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1444 0, /* tp_getattr */
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1445 0, /* tp_setattr */
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1446 0, /* tp_reserved */
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1447 0, /* tp_repr */
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1448 0, /* tp_as_number */
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1449 0, /* tp_as_sequence */
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1450 0, /* tp_as_mapping */
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1451 0, /* tp_hash */
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1452 0, /* tp_call */
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1453 0, /* tp_str */
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1454 PyObject_GenericGetAttr, /* tp_getattro */
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1455 0, /* tp_setattro */
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1456 0, /* tp_as_buffer */
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1457 Py_TPFLAGS_DEFAULT, /* tp_flags */
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1458 pyepoll_doc, /* tp_doc */
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1459 0, /* tp_traverse */
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1460 0, /* tp_clear */
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1461 0, /* tp_richcompare */
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1462 0, /* tp_weaklistoffset */
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1463 0, /* tp_iter */
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1464 0, /* tp_iternext */
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1465 pyepoll_methods, /* tp_methods */
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1466 0, /* tp_members */
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1467 pyepoll_getsetlist, /* tp_getset */
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1468 0, /* tp_base */
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1469 0, /* tp_dict */
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1470 0, /* tp_descr_get */
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1471 0, /* tp_descr_set */
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1472 0, /* tp_dictoffset */
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1473 0, /* tp_init */
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1474 0, /* tp_alloc */
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1475 pyepoll_new, /* tp_new */
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1476 0, /* tp_free */
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1477 };
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1478
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1479 #endif /* HAVE_EPOLL */
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1480
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1481 #ifdef HAVE_KQUEUE
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1482 /* **************************************************************************
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1483 * kqueue interface for BSD
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1484 *
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1485 * Copyright (c) 2000 Doug White, 2006 James Knight, 2007 Christian Heimes
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1486 * All rights reserved.
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1487 *
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1488 * Redistribution and use in source and binary forms, with or without
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1489 * modification, are permitted provided that the following conditions
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1490 * are met:
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1491 * 1. Redistributions of source code must retain the above copyright
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1492 * notice, this list of conditions and the following disclaimer.
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1493 * 2. Redistributions in binary form must reproduce the above copyright
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1494 * notice, this list of conditions and the following disclaimer in the
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1495 * documentation and/or other materials provided with the distribution.
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1496 *
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1497 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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1498 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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1499 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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1500 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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1501 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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1502 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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1503 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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1504 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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1505 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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1506 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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1507 * SUCH DAMAGE.
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1508 */
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1509
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1510 #ifdef HAVE_SYS_EVENT_H
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1511 #include <sys/event.h>
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1512 #endif
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1513
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1514 PyDoc_STRVAR(kqueue_event_doc,
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1515 "kevent(ident, filter=KQ_FILTER_READ, flags=KQ_EV_ADD, fflags=0, data=0, udata=0)\n\
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1516 \n\
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1517 This object is the equivalent of the struct kevent for the C API.\n\
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1518 \n\
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1519 See the kqueue manpage for more detailed information about the meaning\n\
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1520 of the arguments.\n\
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1521 \n\
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1522 One minor note: while you might hope that udata could store a\n\
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1523 reference to a python object, it cannot, because it is impossible to\n\
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1524 keep a proper reference count of the object once it's passed into the\n\
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1525 kernel. Therefore, I have restricted it to only storing an integer. I\n\
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1526 recommend ignoring it and simply using the 'ident' field to key off\n\
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1527 of. You could also set up a dictionary on the python side to store a\n\
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1528 udata->object mapping.");
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1529
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1530 typedef struct {
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1531 PyObject_HEAD
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1532 struct kevent e;
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1533 } kqueue_event_Object;
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1534
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1535 static PyTypeObject kqueue_event_Type;
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1536
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1537 #define kqueue_event_Check(op) (PyObject_TypeCheck((op), &kqueue_event_Type))
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1538
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1539 typedef struct {
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1540 PyObject_HEAD
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1541 SOCKET kqfd; /* kqueue control fd */
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1542 } kqueue_queue_Object;
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1543
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1544 static PyTypeObject kqueue_queue_Type;
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1545
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1546 #define kqueue_queue_Check(op) (PyObject_TypeCheck((op), &kqueue_queue_Type))
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1547
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1548 #if (SIZEOF_UINTPTR_T != SIZEOF_VOID_P)
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1549 # error uintptr_t does not match void *!
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1550 #elif (SIZEOF_UINTPTR_T == SIZEOF_LONG_LONG)
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1551 # define T_UINTPTRT T_ULONGLONG
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1552 # define T_INTPTRT T_LONGLONG
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1553 # define PyLong_AsUintptr_t PyLong_AsUnsignedLongLong
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1554 # define UINTPTRT_FMT_UNIT "K"
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1555 # define INTPTRT_FMT_UNIT "L"
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1556 #elif (SIZEOF_UINTPTR_T == SIZEOF_LONG)
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1557 # define T_UINTPTRT T_ULONG
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1558 # define T_INTPTRT T_LONG
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1559 # define PyLong_AsUintptr_t PyLong_AsUnsignedLong
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1560 # define UINTPTRT_FMT_UNIT "k"
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1561 # define INTPTRT_FMT_UNIT "l"
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1562 #elif (SIZEOF_UINTPTR_T == SIZEOF_INT)
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1563 # define T_UINTPTRT T_UINT
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1564 # define T_INTPTRT T_INT
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1565 # define PyLong_AsUintptr_t PyLong_AsUnsignedLong
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1566 # define UINTPTRT_FMT_UNIT "I"
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1567 # define INTPTRT_FMT_UNIT "i"
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1568 #else
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1569 # error uintptr_t does not match int, long, or long long!
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1570 #endif
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1571
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1572 /* Unfortunately, we can't store python objects in udata, because
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1573 * kevents in the kernel can be removed without warning, which would
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1574 * forever lose the refcount on the object stored with it.
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1575 */
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1576
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1577 #define KQ_OFF(x) offsetof(kqueue_event_Object, x)
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1578 static struct PyMemberDef kqueue_event_members[] = {
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1579 {"ident", T_UINTPTRT, KQ_OFF(e.ident)},
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1580 {"filter", T_SHORT, KQ_OFF(e.filter)},
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1581 {"flags", T_USHORT, KQ_OFF(e.flags)},
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1582 {"fflags", T_UINT, KQ_OFF(e.fflags)},
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1583 {"data", T_INTPTRT, KQ_OFF(e.data)},
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1584 {"udata", T_UINTPTRT, KQ_OFF(e.udata)},
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1585 {NULL} /* Sentinel */
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1586 };
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1587 #undef KQ_OFF
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1588
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1589 static PyObject *
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1590
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1591 kqueue_event_repr(kqueue_event_Object *s)
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1592 {
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1593 char buf[1024];
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1594 PyOS_snprintf(
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1595 buf, sizeof(buf),
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1596 "<select.kevent ident=%zu filter=%d flags=0x%x fflags=0x%x "
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1597 "data=0x%zd udata=%p>",
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1598 (size_t)(s->e.ident), s->e.filter, s->e.flags,
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1599 s->e.fflags, (Py_ssize_t)(s->e.data), s->e.udata);
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1600 return PyUnicode_FromString(buf);
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1601 }
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1602
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1603 static int
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1604 kqueue_event_init(kqueue_event_Object *self, PyObject *args, PyObject *kwds)
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1605 {
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1606 PyObject *pfd;
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1607 static char *kwlist[] = {"ident", "filter", "flags", "fflags",
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1608 "data", "udata", NULL};
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1609 static char *fmt = "O|hhi" INTPTRT_FMT_UNIT UINTPTRT_FMT_UNIT ":kevent";
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1610
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1611 EV_SET(&(self->e), 0, EVFILT_READ, EV_ADD, 0, 0, 0); /* defaults */
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1612
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1613 if (!PyArg_ParseTupleAndKeywords(args, kwds, fmt, kwlist,
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1614 &pfd, &(self->e.filter), &(self->e.flags),
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1615 &(self->e.fflags), &(self->e.data), &(self->e.udata))) {
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1616 return -1;
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1617 }
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1618
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1619 if (PyLong_Check(pfd)) {
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1620 self->e.ident = PyLong_AsUintptr_t(pfd);
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1621 }
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1622 else {
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1623 self->e.ident = PyObject_AsFileDescriptor(pfd);
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1624 }
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1625 if (PyErr_Occurred()) {
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1626 return -1;
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1627 }
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1628 return 0;
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1629 }
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1630
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1631 static PyObject *
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1632 kqueue_event_richcompare(kqueue_event_Object *s, kqueue_event_Object *o,
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1633 int op)
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1634 {
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1635 Py_intptr_t result = 0;
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1636
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1637 if (!kqueue_event_Check(o)) {
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1638 if (op == Py_EQ || op == Py_NE) {
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1639 PyObject *res = op == Py_EQ ? Py_False : Py_True;
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1640 Py_INCREF(res);
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1641 return res;
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1642 }
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1643 PyErr_Format(PyExc_TypeError,
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1644 "can't compare %.200s to %.200s",
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1645 Py_TYPE(s)->tp_name, Py_TYPE(o)->tp_name);
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1646 return NULL;
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1647 }
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1648 if (((result = s->e.ident - o->e.ident) == 0) &&
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1649 ((result = s->e.filter - o->e.filter) == 0) &&
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1650 ((result = s->e.flags - o->e.flags) == 0) &&
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1651 ((result = s->e.fflags - o->e.fflags) == 0) &&
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1652 ((result = s->e.data - o->e.data) == 0) &&
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1653 ((result = s->e.udata - o->e.udata) == 0)
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1654 ) {
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1655 result = 0;
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1656 }
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1657
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1658 switch (op) {
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1659 case Py_EQ:
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1660 result = (result == 0);
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1661 break;
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1662 case Py_NE:
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1663 result = (result != 0);
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1664 break;
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1665 case Py_LE:
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1666 result = (result <= 0);
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1667 break;
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1668 case Py_GE:
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1669 result = (result >= 0);
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1670 break;
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1671 case Py_LT:
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1672 result = (result < 0);
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1673 break;
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1674 case Py_GT:
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1675 result = (result > 0);
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1676 break;
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1677 }
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1678 return PyBool_FromLong((long)result);
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1679 }
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1680
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1681 static PyTypeObject kqueue_event_Type = {
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1682 PyVarObject_HEAD_INIT(NULL, 0)
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1683 "select.kevent", /* tp_name */
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1684 sizeof(kqueue_event_Object), /* tp_basicsize */
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1685 0, /* tp_itemsize */
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1686 0, /* tp_dealloc */
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1687 0, /* tp_print */
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1688 0, /* tp_getattr */
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1689 0, /* tp_setattr */
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1690 0, /* tp_reserved */
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1691 (reprfunc)kqueue_event_repr, /* tp_repr */
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1692 0, /* tp_as_number */
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1693 0, /* tp_as_sequence */
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1694 0, /* tp_as_mapping */
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1695 0, /* tp_hash */
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1696 0, /* tp_call */
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1697 0, /* tp_str */
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1698 0, /* tp_getattro */
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1699 0, /* tp_setattro */
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1700 0, /* tp_as_buffer */
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1701 Py_TPFLAGS_DEFAULT, /* tp_flags */
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1702 kqueue_event_doc, /* tp_doc */
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1703 0, /* tp_traverse */
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1704 0, /* tp_clear */
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1705 (richcmpfunc)kqueue_event_richcompare, /* tp_richcompare */
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1706 0, /* tp_weaklistoffset */
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1707 0, /* tp_iter */
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1708 0, /* tp_iternext */
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1709 0, /* tp_methods */
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1710 kqueue_event_members, /* tp_members */
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1711 0, /* tp_getset */
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1712 0, /* tp_base */
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1713 0, /* tp_dict */
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1714 0, /* tp_descr_get */
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1715 0, /* tp_descr_set */
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1716 0, /* tp_dictoffset */
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1717 (initproc)kqueue_event_init, /* tp_init */
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1718 0, /* tp_alloc */
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1719 0, /* tp_new */
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1720 0, /* tp_free */
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1721 };
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1722
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1723 static PyObject *
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1724 kqueue_queue_err_closed(void)
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1725 {
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1726 PyErr_SetString(PyExc_ValueError, "I/O operation on closed kqueue fd");
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1727 return NULL;
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1728 }
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1729
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1730 static int
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1731 kqueue_queue_internal_close(kqueue_queue_Object *self)
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1732 {
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1733 int save_errno = 0;
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1734 if (self->kqfd >= 0) {
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1735 int kqfd = self->kqfd;
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1736 self->kqfd = -1;
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1737 Py_BEGIN_ALLOW_THREADS
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1738 if (close(kqfd) < 0)
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1739 save_errno = errno;
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1740 Py_END_ALLOW_THREADS
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1741 }
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1742 return save_errno;
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1743 }
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1744
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1745 static PyObject *
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1746 newKqueue_Object(PyTypeObject *type, SOCKET fd)
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1747 {
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1748 kqueue_queue_Object *self;
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1749 assert(type != NULL && type->tp_alloc != NULL);
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1750 self = (kqueue_queue_Object *) type->tp_alloc(type, 0);
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1751 if (self == NULL) {
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1752 return NULL;
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1753 }
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1754
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1755 if (fd == -1) {
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1756 Py_BEGIN_ALLOW_THREADS
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1757 self->kqfd = kqueue();
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1758 Py_END_ALLOW_THREADS
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1759 }
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1760 else {
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1761 self->kqfd = fd;
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1762 }
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1763 if (self->kqfd < 0) {
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1764 Py_DECREF(self);
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1765 PyErr_SetFromErrno(PyExc_OSError);
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1766 return NULL;
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1767 }
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1768 return (PyObject *)self;
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1769 }
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1770
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1771 static PyObject *
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1772 kqueue_queue_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
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1773 {
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1774
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1775 if ((args != NULL && PyObject_Size(args)) ||
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1776 (kwds != NULL && PyObject_Size(kwds))) {
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1777 PyErr_SetString(PyExc_ValueError,
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1778 "select.kqueue doesn't accept arguments");
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1779 return NULL;
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1780 }
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1781
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1782 return newKqueue_Object(type, -1);
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1783 }
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1784
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1785 static void
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1786 kqueue_queue_dealloc(kqueue_queue_Object *self)
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1787 {
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1788 kqueue_queue_internal_close(self);
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1789 Py_TYPE(self)->tp_free(self);
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1790 }
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1791
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1792 static PyObject*
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1793 kqueue_queue_close(kqueue_queue_Object *self)
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1794 {
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1795 errno = kqueue_queue_internal_close(self);
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1796 if (errno < 0) {
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1797 PyErr_SetFromErrno(PyExc_OSError);
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1798 return NULL;
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1799 }
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1800 Py_RETURN_NONE;
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1801 }
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1802
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1803 PyDoc_STRVAR(kqueue_queue_close_doc,
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1804 "close() -> None\n\
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1805 \n\
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1806 Close the kqueue control file descriptor. Further operations on the kqueue\n\
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1807 object will raise an exception.");
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1808
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1809 static PyObject*
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1810 kqueue_queue_get_closed(kqueue_queue_Object *self)
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1811 {
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1812 if (self->kqfd < 0)
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1813 Py_RETURN_TRUE;
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1814 else
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1815 Py_RETURN_FALSE;
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1816 }
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1817
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1818 static PyObject*
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1819 kqueue_queue_fileno(kqueue_queue_Object *self)
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1820 {
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1821 if (self->kqfd < 0)
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1822 return kqueue_queue_err_closed();
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1823 return PyLong_FromLong(self->kqfd);
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1824 }
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1825
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1826 PyDoc_STRVAR(kqueue_queue_fileno_doc,
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1827 "fileno() -> int\n\
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1828 \n\
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1829 Return the kqueue control file descriptor.");
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1830
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1831 static PyObject*
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1832 kqueue_queue_fromfd(PyObject *cls, PyObject *args)
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1833 {
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1834 SOCKET fd;
45996
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diff changeset
1835
61467
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diff changeset
1836 if (!PyArg_ParseTuple(args, "i:fromfd", &fd))
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
1837 return NULL;
45996
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diff changeset
1838
61467
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diff changeset
1839 return newKqueue_Object((PyTypeObject*)cls, fd);
45996
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parents: 44469
diff changeset
1840 }
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
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diff changeset
1841
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
1842 PyDoc_STRVAR(kqueue_queue_fromfd_doc,
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
1843 "fromfd(fd) -> kqueue\n\
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
1844 \n\
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
1845 Create a kqueue object from a given control fd.");
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
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parents: 44469
diff changeset
1846
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
1847 static PyObject *
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
1848 kqueue_queue_control(kqueue_queue_Object *self, PyObject *args)
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parents: 44469
diff changeset
1849 {
61467
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diff changeset
1850 int nevents = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
1851 int gotevents = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
1852 int nchanges = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
1853 int i = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
1854 PyObject *otimeout = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
1855 PyObject *ch = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
1856 PyObject *it = NULL, *ei = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
1857 PyObject *result = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
1858 struct kevent *evl = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
1859 struct kevent *chl = NULL;
75592
1eaf6e899f02 Issue #14180: Fix select.select() compilation on BSD and a typo in kqueue_queue_control()
Victor Stinner <vstinner@wyplay.com>
parents: 75590
diff changeset
1860 struct timespec timeout;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1861 struct timespec *ptimeoutspec;
45996
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diff changeset
1862
61467
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diff changeset
1863 if (self->kqfd < 0)
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diff changeset
1864 return kqueue_queue_err_closed();
45996
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parents: 44469
diff changeset
1865
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1866 if (!PyArg_ParseTuple(args, "Oi|O:control", &ch, &nevents, &otimeout))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1867 return NULL;
45996
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parents: 44469
diff changeset
1868
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1869 if (nevents < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
1870 PyErr_Format(PyExc_ValueError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
1871 "Length of eventlist must be 0 or positive, got %d",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
1872 nevents);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
1873 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1874 }
45996
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diff changeset
1875
61467
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1876 if (otimeout == Py_None || otimeout == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
1877 ptimeoutspec = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1878 }
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1879 else if (PyNumber_Check(otimeout)) {
75590
1e9cc1a03365 Close #14180: Factorize code to convert a number of seconds to time_t, timeval or timespec
Victor Stinner <vstinner@wyplay.com>
parents: 74188
diff changeset
1880 if (_PyTime_ObjectToTimespec(otimeout,
1e9cc1a03365 Close #14180: Factorize code to convert a number of seconds to time_t, timeval or timespec
Victor Stinner <vstinner@wyplay.com>
parents: 74188
diff changeset
1881 &timeout.tv_sec, &timeout.tv_nsec) == -1)
61467
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1882 return NULL;
75590
1e9cc1a03365 Close #14180: Factorize code to convert a number of seconds to time_t, timeval or timespec
Victor Stinner <vstinner@wyplay.com>
parents: 74188
diff changeset
1883
1e9cc1a03365 Close #14180: Factorize code to convert a number of seconds to time_t, timeval or timespec
Victor Stinner <vstinner@wyplay.com>
parents: 74188
diff changeset
1884 if (timeout.tv_sec < 0) {
61467
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diff changeset
1885 PyErr_SetString(PyExc_ValueError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1886 "timeout must be positive or None");
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diff changeset
1887 return NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
1888 }
75593
cb1c877a27f2 Issue #14180: Fix another typo in kqueue_queue_control()
Victor Stinner <vstinner@wyplay.com>
parents: 75592
diff changeset
1889 ptimeoutspec = &timeout;
61467
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diff changeset
1890 }
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diff changeset
1891 else {
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diff changeset
1892 PyErr_Format(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
1893 "timeout argument must be an number "
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parents: 60425
diff changeset
1894 "or None, got %.200s",
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diff changeset
1895 Py_TYPE(otimeout)->tp_name);
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1896 return NULL;
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diff changeset
1897 }
45996
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diff changeset
1898
61466
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diff changeset
1899 if (ch != NULL && ch != Py_None) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
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diff changeset
1900 it = PyObject_GetIter(ch);
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parents: 60423
diff changeset
1901 if (it == NULL) {
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parents: 60423
diff changeset
1902 PyErr_SetString(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60423
diff changeset
1903 "changelist is not iterable");
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parents: 60423
diff changeset
1904 return NULL;
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diff changeset
1905 }
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parents: 60423
diff changeset
1906 nchanges = PyObject_Size(ch);
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parents: 60423
diff changeset
1907 if (nchanges < 0) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60423
diff changeset
1908 goto error;
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parents: 60423
diff changeset
1909 }
59616
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Georg Brandl <georg@python.org>
parents: 58022
diff changeset
1910
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1911 chl = PyMem_New(struct kevent, nchanges);
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diff changeset
1912 if (chl == NULL) {
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diff changeset
1913 PyErr_NoMemory();
61466
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1914 goto error;
61467
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diff changeset
1915 }
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diff changeset
1916 i = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1917 while ((ei = PyIter_Next(it)) != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
1918 if (!kqueue_event_Check(ei)) {
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parents: 60425
diff changeset
1919 Py_DECREF(ei);
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diff changeset
1920 PyErr_SetString(PyExc_TypeError,
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diff changeset
1921 "changelist must be an iterable of "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
1922 "select.kevent objects");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
1923 goto error;
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parents: 60425
diff changeset
1924 } else {
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parents: 60425
diff changeset
1925 chl[i++] = ((kqueue_event_Object *)ei)->e;
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parents: 60425
diff changeset
1926 }
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diff changeset
1927 Py_DECREF(ei);
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parents: 60425
diff changeset
1928 }
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diff changeset
1929 }
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diff changeset
1930 Py_CLEAR(it);
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diff changeset
1931
61467
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1932 /* event list */
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1933 if (nevents) {
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1934 evl = PyMem_New(struct kevent, nevents);
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diff changeset
1935 if (evl == NULL) {
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diff changeset
1936 PyErr_NoMemory();
61466
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1937 goto error;
61467
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diff changeset
1938 }
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diff changeset
1939 }
45996
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diff changeset
1940
61467
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diff changeset
1941 Py_BEGIN_ALLOW_THREADS
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diff changeset
1942 gotevents = kevent(self->kqfd, chl, nchanges,
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diff changeset
1943 evl, nevents, ptimeoutspec);
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diff changeset
1944 Py_END_ALLOW_THREADS
45996
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diff changeset
1945
61467
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diff changeset
1946 if (gotevents == -1) {
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diff changeset
1947 PyErr_SetFromErrno(PyExc_OSError);
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diff changeset
1948 goto error;
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diff changeset
1949 }
45996
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diff changeset
1950
61467
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1951 result = PyList_New(gotevents);
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diff changeset
1952 if (result == NULL) {
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1953 goto error;
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1954 }
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1955
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1956 for (i = 0; i < gotevents; i++) {
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1957 kqueue_event_Object *ch;
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1958
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1959 ch = PyObject_New(kqueue_event_Object, &kqueue_event_Type);
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1960 if (ch == NULL) {
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1961 goto error;
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1962 }
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1963 ch->e = evl[i];
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1964 PyList_SET_ITEM(result, i, (PyObject *)ch);
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1965 }
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1966 PyMem_Free(chl);
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1967 PyMem_Free(evl);
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1968 return result;
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1969
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1970 error:
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1971 PyMem_Free(chl);
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1972 PyMem_Free(evl);
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1973 Py_XDECREF(result);
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1974 Py_XDECREF(it);
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1975 return NULL;
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1976 }
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1977
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1978 PyDoc_STRVAR(kqueue_queue_control_doc,
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1979 "control(changelist, max_events[, timeout=None]) -> eventlist\n\
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1980 \n\
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1981 Calls the kernel kevent function.\n\
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1982 - changelist must be a list of kevent objects describing the changes\n\
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1983 to be made to the kernel's watch list or None.\n\
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1984 - max_events lets you specify the maximum number of events that the\n\
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1985 kernel will return.\n\
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1986 - timeout is the maximum time to wait in seconds, or else None,\n\
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1987 to wait forever. timeout accepts floats for smaller timeouts, too.");
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1988
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1989
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1990 static PyMethodDef kqueue_queue_methods[] = {
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1991 {"fromfd", (PyCFunction)kqueue_queue_fromfd,
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1992 METH_VARARGS | METH_CLASS, kqueue_queue_fromfd_doc},
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1993 {"close", (PyCFunction)kqueue_queue_close, METH_NOARGS,
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1994 kqueue_queue_close_doc},
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1995 {"fileno", (PyCFunction)kqueue_queue_fileno, METH_NOARGS,
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1996 kqueue_queue_fileno_doc},
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1997 {"control", (PyCFunction)kqueue_queue_control,
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1998 METH_VARARGS , kqueue_queue_control_doc},
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1999 {NULL, NULL},
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2000 };
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2001
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2002 static PyGetSetDef kqueue_queue_getsetlist[] = {
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2003 {"closed", (getter)kqueue_queue_get_closed, NULL,
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2004 "True if the kqueue handler is closed"},
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2005 {0},
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2006 };
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2007
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2008 PyDoc_STRVAR(kqueue_queue_doc,
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2009 "Kqueue syscall wrapper.\n\
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2010 \n\
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2011 For example, to start watching a socket for input:\n\
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2012 >>> kq = kqueue()\n\
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2013 >>> sock = socket()\n\
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2014 >>> sock.connect((host, port))\n\
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2015 >>> kq.control([kevent(sock, KQ_FILTER_WRITE, KQ_EV_ADD)], 0)\n\
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2016 \n\
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2017 To wait one second for it to become writeable:\n\
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2018 >>> kq.control(None, 1, 1000)\n\
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2019 \n\
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2020 To stop listening:\n\
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2021 >>> kq.control([kevent(sock, KQ_FILTER_WRITE, KQ_EV_DELETE)], 0)");
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2022
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2023 static PyTypeObject kqueue_queue_Type = {
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2024 PyVarObject_HEAD_INIT(NULL, 0)
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2025 "select.kqueue", /* tp_name */
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2026 sizeof(kqueue_queue_Object), /* tp_basicsize */
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2027 0, /* tp_itemsize */
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2028 (destructor)kqueue_queue_dealloc, /* tp_dealloc */
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2029 0, /* tp_print */
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2030 0, /* tp_getattr */
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2031 0, /* tp_setattr */
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2032 0, /* tp_reserved */
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2033 0, /* tp_repr */
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2034 0, /* tp_as_number */
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2035 0, /* tp_as_sequence */
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2036 0, /* tp_as_mapping */
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2037 0, /* tp_hash */
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2038 0, /* tp_call */
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2039 0, /* tp_str */
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2040 0, /* tp_getattro */
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2041 0, /* tp_setattro */
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2042 0, /* tp_as_buffer */
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2043 Py_TPFLAGS_DEFAULT, /* tp_flags */
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2044 kqueue_queue_doc, /* tp_doc */
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2045 0, /* tp_traverse */
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2046 0, /* tp_clear */
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2047 0, /* tp_richcompare */
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2048 0, /* tp_weaklistoffset */
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2049 0, /* tp_iter */
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2050 0, /* tp_iternext */
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2051 kqueue_queue_methods, /* tp_methods */
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2052 0, /* tp_members */
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2053 kqueue_queue_getsetlist, /* tp_getset */
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2054 0, /* tp_base */
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2055 0, /* tp_dict */
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2056 0, /* tp_descr_get */
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2057 0, /* tp_descr_set */
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2058 0, /* tp_dictoffset */
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2059 0, /* tp_init */
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2060 0, /* tp_alloc */
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2061 kqueue_queue_new, /* tp_new */
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2062 0, /* tp_free */
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2063 };
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
Christian Heimes <christian@cheimes.de>
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diff changeset
2064
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
2065 #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
2066
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2067
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2068
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2069
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2070
45996
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Christian Heimes <christian@cheimes.de>
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diff changeset
2071 /* ************************************************************************ */
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2072
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23607
diff changeset
2073 PyDoc_STRVAR(select_doc,
8570
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2074 "select(rlist, wlist, xlist[, timeout]) -> (rlist, wlist, xlist)\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2075 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2076 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
2077 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
2078 rlist -- wait until ready for reading\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2079 wlist -- wait until ready for writing\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2080 xlist -- wait for an ``exceptional condition''\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2081 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
2082 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
2083 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
2084 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2085 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
2086 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
2087 or None, the call will never time out.\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2088 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2089 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
2090 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
2091 that are ready.\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2092 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2093 *** IMPORTANT NOTICE ***\n\
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diff changeset
2094 On Windows and OpenVMS, only sockets are supported; on Unix, all file\n\
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diff changeset
2095 descriptors can be used.");
8570
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Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2096
4692
cb405b9696d4 Several changes... Guido *please* take a look!
Barry Warsaw <barry@python.org>
parents: 4621
diff changeset
2097 static PyMethodDef select_methods[] = {
61467
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2098 {"select", select_select, METH_VARARGS, select_doc},
45996
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diff changeset
2099 #ifdef HAVE_POLL
61467
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2100 {"poll", select_poll, METH_NOARGS, poll_doc},
38453
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Thomas Wouters <thomas@python.org>
parents: 36501
diff changeset
2101 #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
2102 #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
2103 {"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
2104 #endif
61467
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diff changeset
2105 {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
2106 };
a4793ae26682 Changes for new UNIX-specific built-in module 'select' and new header for
Guido van Rossum <guido@python.org>
parents:
diff changeset
2107
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23607
diff changeset
2108 PyDoc_STRVAR(module_doc,
8570
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2109 "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
2110 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2111 *** IMPORTANT NOTICE ***\n\
39442
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Thomas Wouters <thomas@python.org>
parents: 38669
diff changeset
2112 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
2113
47580
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2114
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2115 static struct PyModuleDef selectmodule = {
61467
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diff changeset
2116 PyModuleDef_HEAD_INIT,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
2117 "select",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
2118 module_doc,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
2119 -1,
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2120 select_methods,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
2121 NULL,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2122 NULL,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2123 NULL,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
2124 NULL
47580
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Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2125 };
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2126
73549
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2127
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2128
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2129
24363
979ff5d0ae07 Replace DL_IMPORT with PyMODINIT_FUNC and remove "/export:init..." link
Mark Hammond <mhammond@skippinet.com.au>
parents: 24283
diff changeset
2130 PyMODINIT_FUNC
47580
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2131 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
2132 {
61467
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diff changeset
2133 PyObject *m;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2134 m = PyModule_Create(&selectmodule);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
2135 if (m == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
2136 return NULL;
22729
cdff3c7c1a76 Use the PyModule_Add*() APIs instead of manipulating the module dict
Fred Drake <fdrake@acm.org>
parents: 22114
diff changeset
2137
72879
41a1de81ef2b PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72116
diff changeset
2138 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
2139 PyModule_AddObject(m, "error", PyExc_OSError);
38453
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Thomas Wouters <thomas@python.org>
parents: 36501
diff changeset
2140
55179
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Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 55099
diff changeset
2141 #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
2142 #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
2143 #undef PIPE_BUF
3c4225bf87b4 #9862: On AIX PIPE_BUF is broken. Make it 512.
R. David Murray <rdmurray@bitdance.com>
parents: 63589
diff changeset
2144 #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
2145 #endif
61466
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diff changeset
2146 PyModule_AddIntConstant(m, "PIPE_BUF", PIPE_BUF);
55179
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Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 55099
diff changeset
2147 #endif
55099
06b360a33d57 Merged revisions 73818 via svnmerge from
Gregory P. Smith <greg@mad-scientist.com>
parents: 51271
diff changeset
2148
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2149 #if defined(HAVE_POLL)
38453
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Thomas Wouters <thomas@python.org>
parents: 36501
diff changeset
2150 #ifdef __APPLE__
61467
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diff changeset
2151 if (select_have_broken_poll()) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
2152 if (PyObject_DelAttrString(m, "poll") == -1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
2153 PyErr_Clear();
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diff changeset
2154 }
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diff changeset
2155 } else {
38453
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Thomas Wouters <thomas@python.org>
parents: 36501
diff changeset
2156 #else
61467
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2157 {
38453
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Thomas Wouters <thomas@python.org>
parents: 36501
diff changeset
2158 #endif
61467
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diff changeset
2159 if (PyType_Ready(&poll_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
2160 return NULL;
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diff changeset
2161 PyModule_AddIntConstant(m, "POLLIN", POLLIN);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
2162 PyModule_AddIntConstant(m, "POLLPRI", POLLPRI);
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diff changeset
2163 PyModule_AddIntConstant(m, "POLLOUT", POLLOUT);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
2164 PyModule_AddIntConstant(m, "POLLERR", POLLERR);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
2165 PyModule_AddIntConstant(m, "POLLHUP", POLLHUP);
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parents: 60425
diff changeset
2166 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
2167
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
2168 #ifdef POLLRDNORM
61467
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diff changeset
2169 PyModule_AddIntConstant(m, "POLLRDNORM", POLLRDNORM);
14918
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Andrew M. Kuchling <amk@amk.ca>
parents: 14869
diff changeset
2170 #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
2171 #ifdef POLLRDBAND
61467
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diff changeset
2172 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
2173 #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
2174 #ifdef POLLWRNORM
61467
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diff changeset
2175 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
2176 #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
2177 #ifdef POLLWRBAND
61467
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diff changeset
2178 PyModule_AddIntConstant(m, "POLLWRBAND", POLLWRBAND);
14918
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Andrew M. Kuchling <amk@amk.ca>
parents: 14869
diff changeset
2179 #endif
14182
c85a80db6845 Not every OS that support poll seems to support POLLMSG.
Sjoerd Mullender <sjoerd@acm.org>
parents: 14174
diff changeset
2180 #ifdef POLLMSG
61467
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diff changeset
2181 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
2182 #endif
61467
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diff changeset
2183 }
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents: 36501
diff changeset
2184 #endif /* HAVE_POLL */
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2185
73549
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2186 #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
2187 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
2188 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
2189 #endif
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2190
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2191 #ifdef HAVE_EPOLL
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2192 Py_TYPE(&pyEpoll_Type) = &PyType_Type;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2193 if (PyType_Ready(&pyEpoll_Type) < 0)
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2194 return NULL;
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2195
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2196 Py_INCREF(&pyEpoll_Type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2197 PyModule_AddObject(m, "epoll", (PyObject *) &pyEpoll_Type);
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2198
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2199 PyModule_AddIntConstant(m, "EPOLLIN", EPOLLIN);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2200 PyModule_AddIntConstant(m, "EPOLLOUT", EPOLLOUT);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2201 PyModule_AddIntConstant(m, "EPOLLPRI", EPOLLPRI);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2202 PyModule_AddIntConstant(m, "EPOLLERR", EPOLLERR);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2203 PyModule_AddIntConstant(m, "EPOLLHUP", EPOLLHUP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2204 PyModule_AddIntConstant(m, "EPOLLET", EPOLLET);
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2205 #ifdef EPOLLONESHOT
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2206 /* Kernel 2.6.2+ */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2207 PyModule_AddIntConstant(m, "EPOLLONESHOT", EPOLLONESHOT);
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2208 #endif
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2209 /* PyModule_AddIntConstant(m, "EPOLL_RDHUP", EPOLLRDHUP); */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2210 PyModule_AddIntConstant(m, "EPOLLRDNORM", EPOLLRDNORM);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2211 PyModule_AddIntConstant(m, "EPOLLRDBAND", EPOLLRDBAND);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2212 PyModule_AddIntConstant(m, "EPOLLWRNORM", EPOLLWRNORM);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2213 PyModule_AddIntConstant(m, "EPOLLWRBAND", EPOLLWRBAND);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2214 PyModule_AddIntConstant(m, "EPOLLMSG", EPOLLMSG);
74183
b30a94f7e053 add a flags parameter to select.epoll
Benjamin Peterson <benjamin@python.org>
parents: 73549
diff changeset
2215
74187
0f9276411dce fix for old kernels which don't have epoll_create1
Benjamin Peterson <benjamin@python.org>
parents: 74183
diff changeset
2216 #ifdef EPOLL_CLOEXEC
74183
b30a94f7e053 add a flags parameter to select.epoll
Benjamin Peterson <benjamin@python.org>
parents: 73549
diff changeset
2217 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
2218 #endif
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parents: 44469
diff changeset
2219 #endif /* HAVE_EPOLL */
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2220
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
2221 #ifdef HAVE_KQUEUE
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2222 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
2223 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
2224 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
2225 return NULL;
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2226
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diff changeset
2227 Py_INCREF(&kqueue_event_Type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2228 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
2229
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
2230 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
2231 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
2232 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2233 Py_INCREF(&kqueue_queue_Type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2234 PyModule_AddObject(m, "kqueue", (PyObject *)&kqueue_queue_Type);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2235
61467
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2236 /* event filters */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2237 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
2238 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
2239 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
2240 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
2241 PyModule_AddIntConstant(m, "KQ_FILTER_PROC", EVFILT_PROC);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2242 #ifdef EVFILT_NETDEV
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2243 PyModule_AddIntConstant(m, "KQ_FILTER_NETDEV", EVFILT_NETDEV);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2244 #endif
61467
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2245 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
2246 PyModule_AddIntConstant(m, "KQ_FILTER_TIMER", EVFILT_TIMER);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2247
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diff changeset
2248 /* event flags */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2249 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
2250 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
2251 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
2252 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
2253 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
2254 PyModule_AddIntConstant(m, "KQ_EV_CLEAR", EV_CLEAR);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2255
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2256 PyModule_AddIntConstant(m, "KQ_EV_SYSFLAGS", EV_SYSFLAGS);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2257 PyModule_AddIntConstant(m, "KQ_EV_FLAG1", EV_FLAG1);
45996
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Christian Heimes <christian@cheimes.de>
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diff changeset
2258
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diff changeset
2259 PyModule_AddIntConstant(m, "KQ_EV_EOF", EV_EOF);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2260 PyModule_AddIntConstant(m, "KQ_EV_ERROR", EV_ERROR);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2261
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2262 /* READ WRITE filter flag */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2263 PyModule_AddIntConstant(m, "KQ_NOTE_LOWAT", NOTE_LOWAT);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2264
61467
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diff changeset
2265 /* VNODE filter flags */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2266 PyModule_AddIntConstant(m, "KQ_NOTE_DELETE", NOTE_DELETE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2267 PyModule_AddIntConstant(m, "KQ_NOTE_WRITE", NOTE_WRITE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2268 PyModule_AddIntConstant(m, "KQ_NOTE_EXTEND", NOTE_EXTEND);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2269 PyModule_AddIntConstant(m, "KQ_NOTE_ATTRIB", NOTE_ATTRIB);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2270 PyModule_AddIntConstant(m, "KQ_NOTE_LINK", NOTE_LINK);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2271 PyModule_AddIntConstant(m, "KQ_NOTE_RENAME", NOTE_RENAME);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2272 PyModule_AddIntConstant(m, "KQ_NOTE_REVOKE", NOTE_REVOKE);
45996
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diff changeset
2273
61467
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diff changeset
2274 /* PROC filter flags */
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2275 PyModule_AddIntConstant(m, "KQ_NOTE_EXIT", NOTE_EXIT);
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2276 PyModule_AddIntConstant(m, "KQ_NOTE_FORK", NOTE_FORK);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
2277 PyModule_AddIntConstant(m, "KQ_NOTE_EXEC", NOTE_EXEC);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2278 PyModule_AddIntConstant(m, "KQ_NOTE_PCTRLMASK", NOTE_PCTRLMASK);
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diff changeset
2279 PyModule_AddIntConstant(m, "KQ_NOTE_PDATAMASK", NOTE_PDATAMASK);
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diff changeset
2280
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diff changeset
2281 PyModule_AddIntConstant(m, "KQ_NOTE_TRACK", NOTE_TRACK);
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diff changeset
2282 PyModule_AddIntConstant(m, "KQ_NOTE_CHILD", NOTE_CHILD);
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diff changeset
2283 PyModule_AddIntConstant(m, "KQ_NOTE_TRACKERR", NOTE_TRACKERR);
45996
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diff changeset
2284
61467
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diff changeset
2285 /* NETDEV filter flags */
45996
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diff changeset
2286 #ifdef EVFILT_NETDEV
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diff changeset
2287 PyModule_AddIntConstant(m, "KQ_NOTE_LINKUP", NOTE_LINKUP);
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diff changeset
2288 PyModule_AddIntConstant(m, "KQ_NOTE_LINKDOWN", NOTE_LINKDOWN);
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2289 PyModule_AddIntConstant(m, "KQ_NOTE_LINKINV", NOTE_LINKINV);
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2290 #endif
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2291
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2292 #endif /* HAVE_KQUEUE */
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Antoine Pitrou <solipsis@pitrou.net>
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2293 return m;
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Guido van Rossum <guido@python.org>
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2294 }