Mercurial > cpython-lru_cache-weakref

annotate Modules/selectmodule.c @ 68256:b36cb4602e21 2.7

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Dummy-merge 2.6 branch into 2.7 branch.
author Georg Brandl <georg@python.org>
date Sat, 05 Mar 2011 15:15:07 +0100
parents b96edb02ef63 787b969d37f0
children a6586cb660dc
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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 Under BeOS, we suffer the same dichotomy as Win32; sockets can be anything
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6 >= 0.
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7 */
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8
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9 #include "Python.h"
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10 #include <structmember.h>
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11
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12 #ifdef __APPLE__
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13 /* Perform runtime testing for a broken poll on OSX to make it easier
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14 * to use the same binary on multiple releases of the OS.
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15 */
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16 #undef HAVE_BROKEN_POLL
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17 #endif
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18
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19 /* Windows #defines FD_SETSIZE to 64 if FD_SETSIZE isn't already defined.
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20 64 is too small (too many people have bumped into that limit).
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21 Here we boost it.
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22 Users who want even more than the boosted limit should #define
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23 FD_SETSIZE higher before this; e.g., via compiler /D switch.
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24 */
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25 #if defined(MS_WINDOWS) && !defined(FD_SETSIZE)
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26 #define FD_SETSIZE 512
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27 #endif
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28
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29 #if defined(HAVE_POLL_H)
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30 #include <poll.h>
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31 #elif defined(HAVE_SYS_POLL_H)
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32 #include <sys/poll.h>
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33 #endif
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34
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35 #ifdef __sgi
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36 /* This is missing from unistd.h */
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37 extern void bzero(void *, int);
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38 #endif
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39
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40 #ifdef HAVE_SYS_TYPES_H
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41 #include <sys/types.h>
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42 #endif
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43
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44 #if defined(PYOS_OS2) && !defined(PYCC_GCC)
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45 #include <sys/time.h>
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46 #include <utils.h>
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47 #endif
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48
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49 #ifdef MS_WINDOWS
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50 # include <winsock2.h>
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51 #else
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52 # define SOCKET int
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53 # ifdef __BEOS__
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54 # include <net/socket.h>
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55 # elif defined(__VMS)
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56 # include <socket.h>
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57 # endif
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58 #endif
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59
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60 static PyObject *SelectError;
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61
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62 /* list of Python objects and their file descriptor */
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63 typedef struct {
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64 PyObject *obj; /* owned reference */
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65 SOCKET fd;
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66 int sentinel; /* -1 == sentinel */
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67 } pylist;
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68
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69 static void
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70 reap_obj(pylist fd2obj[FD_SETSIZE + 1])
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71 {
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72 int i;
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73 for (i = 0; i < FD_SETSIZE + 1 && fd2obj[i].sentinel >= 0; i++) {
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74 Py_XDECREF(fd2obj[i].obj);
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75 fd2obj[i].obj = NULL;
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76 }
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77 fd2obj[0].sentinel = -1;
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78 }
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79
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80
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81 /* returns -1 and sets the Python exception if an error occurred, otherwise
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82 returns a number >= 0
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83 */
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84 static int
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85 seq2set(PyObject *seq, fd_set *set, pylist fd2obj[FD_SETSIZE + 1])
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86 {
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87 int i;
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88 int max = -1;
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89 int index = 0;
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90 int len = -1;
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91 PyObject* fast_seq = NULL;
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92 PyObject* o = NULL;
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93
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94 fd2obj[0].obj = (PyObject*)0; /* set list to zero size */
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95 FD_ZERO(set);
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96
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97 fast_seq = PySequence_Fast(seq, "arguments 1-3 must be sequences");
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98 if (!fast_seq)
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99 return -1;
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100
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101 len = PySequence_Fast_GET_SIZE(fast_seq);
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102
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103 for (i = 0; i < len; i++) {
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104 SOCKET v;
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105
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106 /* any intervening fileno() calls could decr this refcnt */
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107 if (!(o = PySequence_Fast_GET_ITEM(fast_seq, i)))
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108 return -1;
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109
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110 Py_INCREF(o);
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111 v = PyObject_AsFileDescriptor( o );
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112 if (v == -1) goto finally;
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113
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114 #if defined(_MSC_VER)
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115 max = 0; /* not used for Win32 */
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116 #else /* !_MSC_VER */
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117 if (v < 0 || v >= FD_SETSIZE) {
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118 PyErr_SetString(PyExc_ValueError,
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119 "filedescriptor out of range in select()");
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120 goto finally;
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121 }
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122 if (v > max)
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123 max = v;
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124 #endif /* _MSC_VER */
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125 FD_SET(v, set);
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126
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127 /* add object and its file descriptor to the list */
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128 if (index >= FD_SETSIZE) {
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129 PyErr_SetString(PyExc_ValueError,
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130 "too many file descriptors in select()");
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131 goto finally;
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132 }
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133 fd2obj[index].obj = o;
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134 fd2obj[index].fd = v;
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135 fd2obj[index].sentinel = 0;
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136 fd2obj[++index].sentinel = -1;
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137 }
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138 Py_DECREF(fast_seq);
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139 return max+1;
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140
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141 finally:
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142 Py_XDECREF(o);
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143 Py_DECREF(fast_seq);
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144 return -1;
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145 }
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146
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147 /* returns NULL and sets the Python exception if an error occurred */
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148 static PyObject *
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149 set2list(fd_set *set, pylist fd2obj[FD_SETSIZE + 1])
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150 {
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151 int i, j, count=0;
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152 PyObject *list, *o;
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153 SOCKET fd;
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154
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155 for (j = 0; fd2obj[j].sentinel >= 0; j++) {
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156 if (FD_ISSET(fd2obj[j].fd, set))
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157 count++;
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158 }
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159 list = PyList_New(count);
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160 if (!list)
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161 return NULL;
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162
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163 i = 0;
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164 for (j = 0; fd2obj[j].sentinel >= 0; j++) {
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165 fd = fd2obj[j].fd;
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166 if (FD_ISSET(fd, set)) {
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167 #ifndef _MSC_VER
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168 if (fd > FD_SETSIZE) {
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169 PyErr_SetString(PyExc_SystemError,
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170 "filedescriptor out of range returned in select()");
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171 goto finally;
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172 }
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173 #endif
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174 o = fd2obj[j].obj;
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175 fd2obj[j].obj = NULL;
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176 /* transfer ownership */
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177 if (PyList_SetItem(list, i, o) < 0)
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178 goto finally;
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179
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180 i++;
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181 }
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182 }
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183 return list;
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184 finally:
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185 Py_DECREF(list);
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186 return NULL;
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187 }
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188
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189 #undef SELECT_USES_HEAP
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190 #if FD_SETSIZE > 1024
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191 #define SELECT_USES_HEAP
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192 #endif /* FD_SETSIZE > 1024 */
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193
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194 static PyObject *
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195 select_select(PyObject *self, PyObject *args)
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196 {
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197 #ifdef SELECT_USES_HEAP
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198 pylist *rfd2obj, *wfd2obj, *efd2obj;
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199 #else /* !SELECT_USES_HEAP */
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200 /* XXX: All this should probably be implemented as follows:
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201 * - find the highest descriptor we're interested in
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202 * - add one
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203 * - that's the size
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204 * See: Stevens, APitUE, $12.5.1
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205 */
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206 pylist rfd2obj[FD_SETSIZE + 1];
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207 pylist wfd2obj[FD_SETSIZE + 1];
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208 pylist efd2obj[FD_SETSIZE + 1];
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209 #endif /* SELECT_USES_HEAP */
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210 PyObject *ifdlist, *ofdlist, *efdlist;
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211 PyObject *ret = NULL;
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212 PyObject *tout = Py_None;
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213 fd_set ifdset, ofdset, efdset;
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214 double timeout;
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215 struct timeval tv, *tvp;
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216 long seconds;
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217 int imax, omax, emax, max;
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218 int n;
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219
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220 /* convert arguments */
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221 if (!PyArg_UnpackTuple(args, "select", 3, 4,
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222 &ifdlist, &ofdlist, &efdlist, &tout))
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223 return NULL;
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224
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225 if (tout == Py_None)
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226 tvp = (struct timeval *)0;
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227 else if (!PyNumber_Check(tout)) {
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228 PyErr_SetString(PyExc_TypeError,
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229 "timeout must be a float or None");
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230 return NULL;
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231 }
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232 else {
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233 timeout = PyFloat_AsDouble(tout);
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234 if (timeout == -1 && PyErr_Occurred())
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235 return NULL;
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236 if (timeout > (double)LONG_MAX) {
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237 PyErr_SetString(PyExc_OverflowError,
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238 "timeout period too long");
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239 return NULL;
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240 }
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241 seconds = (long)timeout;
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242 timeout = timeout - (double)seconds;
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243 tv.tv_sec = seconds;
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244 tv.tv_usec = (long)(timeout * 1E6);
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245 tvp = &tv;
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246 }
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247
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248
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249 #ifdef SELECT_USES_HEAP
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250 /* Allocate memory for the lists */
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251 rfd2obj = PyMem_NEW(pylist, FD_SETSIZE + 1);
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252 wfd2obj = PyMem_NEW(pylist, FD_SETSIZE + 1);
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253 efd2obj = PyMem_NEW(pylist, FD_SETSIZE + 1);
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254 if (rfd2obj == NULL || wfd2obj == NULL || efd2obj == NULL) {
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255 if (rfd2obj) PyMem_DEL(rfd2obj);
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256 if (wfd2obj) PyMem_DEL(wfd2obj);
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257 if (efd2obj) PyMem_DEL(efd2obj);
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258 return PyErr_NoMemory();
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259 }
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260 #endif /* SELECT_USES_HEAP */
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261 /* Convert sequences to fd_sets, and get maximum fd number
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262 * propagates the Python exception set in seq2set()
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263 */
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264 rfd2obj[0].sentinel = -1;
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265 wfd2obj[0].sentinel = -1;
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266 efd2obj[0].sentinel = -1;
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267 if ((imax=seq2set(ifdlist, &ifdset, rfd2obj)) < 0)
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268 goto finally;
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269 if ((omax=seq2set(ofdlist, &ofdset, wfd2obj)) < 0)
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270 goto finally;
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271 if ((emax=seq2set(efdlist, &efdset, efd2obj)) < 0)
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272 goto finally;
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273 max = imax;
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274 if (omax > max) max = omax;
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275 if (emax > max) max = emax;
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276
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277 Py_BEGIN_ALLOW_THREADS
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278 n = select(max, &ifdset, &ofdset, &efdset, tvp);
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279 Py_END_ALLOW_THREADS
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280
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281 #ifdef MS_WINDOWS
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282 if (n == SOCKET_ERROR) {
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283 PyErr_SetExcFromWindowsErr(SelectError, WSAGetLastError());
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284 }
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285 #else
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286 if (n < 0) {
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287 PyErr_SetFromErrno(SelectError);
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288 }
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289 #endif
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290 else {
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291 /* any of these three calls can raise an exception. it's more
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292 convenient to test for this after all three calls... but
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293 is that acceptable?
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294 */
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295 ifdlist = set2list(&ifdset, rfd2obj);
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296 ofdlist = set2list(&ofdset, wfd2obj);
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297 efdlist = set2list(&efdset, efd2obj);
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298 if (PyErr_Occurred())
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299 ret = NULL;
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300 else
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301 ret = PyTuple_Pack(3, ifdlist, ofdlist, efdlist);
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302
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303 Py_DECREF(ifdlist);
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304 Py_DECREF(ofdlist);
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305 Py_DECREF(efdlist);
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306 }
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307
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308 finally:
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309 reap_obj(rfd2obj);
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310 reap_obj(wfd2obj);
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311 reap_obj(efd2obj);
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312 #ifdef SELECT_USES_HEAP
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313 PyMem_DEL(rfd2obj);
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314 PyMem_DEL(wfd2obj);
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315 PyMem_DEL(efd2obj);
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316 #endif /* SELECT_USES_HEAP */
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317 return ret;
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318 }
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319
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320 #if defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)
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321 /*
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322 * poll() support
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323 */
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324
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325 typedef struct {
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326 PyObject_HEAD
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327 PyObject *dict;
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328 int ufd_uptodate;
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329 int ufd_len;
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330 struct pollfd *ufds;
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331 } pollObject;
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332
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333 static PyTypeObject poll_Type;
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334
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335 /* Update the malloc'ed array of pollfds to match the dictionary
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336 contained within a pollObject. Return 1 on success, 0 on an error.
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337 */
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338
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339 static int
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340 update_ufd_array(pollObject *self)
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341 {
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342 Py_ssize_t i, pos;
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343 PyObject *key, *value;
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344 struct pollfd *old_ufds = self->ufds;
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345
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346 self->ufd_len = PyDict_Size(self->dict);
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347 PyMem_RESIZE(self->ufds, struct pollfd, self->ufd_len);
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348 if (self->ufds == NULL) {
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349 self->ufds = old_ufds;
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350 PyErr_NoMemory();
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351 return 0;
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352 }
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353
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354 i = pos = 0;
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355 while (PyDict_Next(self->dict, &pos, &key, &value)) {
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356 self->ufds[i].fd = PyInt_AsLong(key);
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357 self->ufds[i].events = (short)PyInt_AsLong(value);
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358 i++;
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359 }
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360 self->ufd_uptodate = 1;
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361 return 1;
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362 }
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363
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ed1ba37a46b7 Patch #568124: Add doc string macros.
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364 PyDoc_STRVAR(poll_register_doc,
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365 "register(fd [, eventmask] ) -> None\n\n\
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366 Register a file descriptor with the polling object.\n\
19311
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367 fd -- either an integer, or an object with a fileno() method returning an\n\
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368 int.\n\
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369 events -- an optional bitmask describing the type of events to check for");
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370
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371 static PyObject *
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372 poll_register(pollObject *self, PyObject *args)
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373 {
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374 PyObject *o, *key, *value;
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375 int fd, events = POLLIN | POLLPRI | POLLOUT;
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376 int err;
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377
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378 if (!PyArg_ParseTuple(args, "O|i:register", &o, &events)) {
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379 return NULL;
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380 }
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381
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382 fd = PyObject_AsFileDescriptor(o);
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383 if (fd == -1) return NULL;
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384
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385 /* Add entry to the internal dictionary: the key is the
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386 file descriptor, and the value is the event mask. */
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387 key = PyInt_FromLong(fd);
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388 if (key == NULL)
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389 return NULL;
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390 value = PyInt_FromLong(events);
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391 if (value == NULL) {
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392 Py_DECREF(key);
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393 return NULL;
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394 }
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395 err = PyDict_SetItem(self->dict, key, value);
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396 Py_DECREF(key);
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397 Py_DECREF(value);
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398 if (err < 0)
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399 return NULL;
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400
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401 self->ufd_uptodate = 0;
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402
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403 Py_INCREF(Py_None);
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404 return Py_None;
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405 }
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406
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407 PyDoc_STRVAR(poll_modify_doc,
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408 "modify(fd, eventmask) -> None\n\n\
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409 Modify an already registered file descriptor.\n\
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410 fd -- either an integer, or an object with a fileno() method returning an\n\
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411 int.\n\
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412 events -- an optional bitmask describing the type of events to check for");
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413
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414 static PyObject *
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415 poll_modify(pollObject *self, PyObject *args)
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416 {
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417 PyObject *o, *key, *value;
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418 int fd, events;
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419 int err;
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420
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421 if (!PyArg_ParseTuple(args, "Oi:modify", &o, &events)) {
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422 return NULL;
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423 }
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424
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425 fd = PyObject_AsFileDescriptor(o);
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426 if (fd == -1) return NULL;
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427
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428 /* Modify registered fd */
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429 key = PyInt_FromLong(fd);
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430 if (key == NULL)
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431 return NULL;
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432 if (PyDict_GetItem(self->dict, key) == NULL) {
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433 errno = ENOENT;
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434 PyErr_SetFromErrno(PyExc_IOError);
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435 return NULL;
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436 }
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437 value = PyInt_FromLong(events);
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438 if (value == NULL) {
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439 Py_DECREF(key);
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440 return NULL;
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441 }
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442 err = PyDict_SetItem(self->dict, key, value);
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443 Py_DECREF(key);
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444 Py_DECREF(value);
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445 if (err < 0)
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446 return NULL;
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447
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448 self->ufd_uptodate = 0;
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449
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450 Py_INCREF(Py_None);
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451 return Py_None;
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452 }
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453
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454
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455 PyDoc_STRVAR(poll_unregister_doc,
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456 "unregister(fd) -> None\n\n\
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457 Remove a file descriptor being tracked by the polling object.");
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458
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459 static PyObject *
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460 poll_unregister(pollObject *self, PyObject *o)
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461 {
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462 PyObject *key;
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463 int fd;
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464
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465 fd = PyObject_AsFileDescriptor( o );
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466 if (fd == -1)
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467 return NULL;
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468
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469 /* Check whether the fd is already in the array */
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470 key = PyInt_FromLong(fd);
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471 if (key == NULL)
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472 return NULL;
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473
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474 if (PyDict_DelItem(self->dict, key) == -1) {
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475 Py_DECREF(key);
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476 /* This will simply raise the KeyError set by PyDict_DelItem
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477 if the file descriptor isn't registered. */
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478 return NULL;
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479 }
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480
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481 Py_DECREF(key);
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482 self->ufd_uptodate = 0;
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483
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484 Py_INCREF(Py_None);
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485 return Py_None;
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486 }
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487
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488 PyDoc_STRVAR(poll_poll_doc,
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489 "poll( [timeout] ) -> list of (fd, event) 2-tuples\n\n\
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490 Polls the set of registered file descriptors, returning a list containing \n\
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491 any descriptors that have events or errors to report.");
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492
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493 static PyObject *
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494 poll_poll(pollObject *self, PyObject *args)
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495 {
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496 PyObject *result_list = NULL, *tout = NULL;
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497 int timeout = 0, poll_result, i, j;
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498 PyObject *value = NULL, *num = NULL;
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499
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500 if (!PyArg_UnpackTuple(args, "poll", 0, 1, &tout)) {
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501 return NULL;
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502 }
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503
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504 /* Check values for timeout */
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505 if (tout == NULL || tout == Py_None)
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506 timeout = -1;
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507 else if (!PyNumber_Check(tout)) {
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508 PyErr_SetString(PyExc_TypeError,
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509 "timeout must be an integer or None");
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510 return NULL;
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511 }
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512 else {
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513 tout = PyNumber_Int(tout);
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514 if (!tout)
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515 return NULL;
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516 timeout = PyInt_AsLong(tout);
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517 Py_DECREF(tout);
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518 if (timeout == -1 && PyErr_Occurred())
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519 return NULL;
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520 }
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521
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522 /* Ensure the ufd array is up to date */
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523 if (!self->ufd_uptodate)
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524 if (update_ufd_array(self) == 0)
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525 return NULL;
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526
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527 /* call poll() */
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528 Py_BEGIN_ALLOW_THREADS
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529 poll_result = poll(self->ufds, self->ufd_len, timeout);
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diff changeset
530 Py_END_ALLOW_THREADS
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531
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532 if (poll_result < 0) {
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diff changeset
533 PyErr_SetFromErrno(SelectError);
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diff changeset
534 return NULL;
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535 }
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parents: 13761
diff changeset
536
61465
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537 /* build the result list */
14174
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parents: 13761
diff changeset
538
61465
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539 result_list = PyList_New(poll_result);
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diff changeset
540 if (!result_list)
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diff changeset
541 return NULL;
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diff changeset
542 else {
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diff changeset
543 for (i = 0, j = 0; j < poll_result; j++) {
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parents: 60424
diff changeset
544 /* skip to the next fired descriptor */
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545 while (!self->ufds[i].revents) {
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546 i++;
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547 }
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548 /* if we hit a NULL return, set value to NULL
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549 and break out of loop; code at end will
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550 clean up result_list */
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551 value = PyTuple_New(2);
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552 if (value == NULL)
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553 goto error;
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554 num = PyInt_FromLong(self->ufds[i].fd);
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555 if (num == NULL) {
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556 Py_DECREF(value);
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557 goto error;
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558 }
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559 PyTuple_SET_ITEM(value, 0, num);
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560
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561 /* The &0xffff is a workaround for AIX. 'revents'
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562 is a 16-bit short, and IBM assigned POLLNVAL
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563 to be 0x8000, so the conversion to int results
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diff changeset
564 in a negative number. See SF bug #923315. */
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diff changeset
565 num = PyInt_FromLong(self->ufds[i].revents & 0xffff);
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diff changeset
566 if (num == NULL) {
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567 Py_DECREF(value);
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diff changeset
568 goto error;
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569 }
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diff changeset
570 PyTuple_SET_ITEM(value, 1, num);
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571 if ((PyList_SetItem(result_list, j, value)) == -1) {
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572 Py_DECREF(value);
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573 goto error;
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574 }
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575 i++;
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576 }
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diff changeset
577 }
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578 return result_list;
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diff changeset
579
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parents: 13761
diff changeset
580 error:
61465
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581 Py_DECREF(result_list);
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582 return NULL;
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Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
583 }
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parents: 13761
diff changeset
584
35b7989ba20c Add interface to poll() system call (SF patch #100852)
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585 static PyMethodDef poll_methods[] = {
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586 {"register", (PyCFunction)poll_register,
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587 METH_VARARGS, poll_register_doc},
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588 {"modify", (PyCFunction)poll_modify,
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589 METH_VARARGS, poll_modify_doc},
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590 {"unregister", (PyCFunction)poll_unregister,
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591 METH_O, poll_unregister_doc},
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592 {"poll", (PyCFunction)poll_poll,
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593 METH_VARARGS, poll_poll_doc},
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594 {NULL, NULL} /* sentinel */
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595 };
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596
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diff changeset
597 static pollObject *
14277
984abd20eec2 Peter Schneider-Kamp <nowonder@nowonder.de>:
Fred Drake <fdrake@acm.org>
parents: 14182
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598 newPollObject(void)
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diff changeset
599 {
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600 pollObject *self;
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601 self = PyObject_New(pollObject, &poll_Type);
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602 if (self == NULL)
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603 return NULL;
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604 /* ufd_uptodate is a Boolean, denoting whether the
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605 array pointed to by ufds matches the contents of the dictionary. */
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606 self->ufd_uptodate = 0;
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607 self->ufds = NULL;
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608 self->dict = PyDict_New();
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609 if (self->dict == NULL) {
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610 Py_DECREF(self);
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611 return NULL;
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612 }
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613 return self;
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614 }
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
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diff changeset
615
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
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616 static void
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Andrew M. Kuchling <amk@amk.ca>
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617 poll_dealloc(pollObject *self)
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diff changeset
618 {
61465
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619 if (self->ufds != NULL)
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620 PyMem_DEL(self->ufds);
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621 Py_XDECREF(self->dict);
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622 PyObject_Del(self);
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diff changeset
623 }
35b7989ba20c Add interface to poll() system call (SF patch #100852)
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diff changeset
624
35b7989ba20c Add interface to poll() system call (SF patch #100852)
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diff changeset
625 static PyObject *
35b7989ba20c Add interface to poll() system call (SF patch #100852)
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626 poll_getattr(pollObject *self, char *name)
35b7989ba20c Add interface to poll() system call (SF patch #100852)
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diff changeset
627 {
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628 return Py_FindMethod(poll_methods, (PyObject *)self, name);
14174
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parents: 13761
diff changeset
629 }
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
630
24283
c0a67a1cab09 Removed more stray instances of statichere, but left _sre.c alone.
Tim Peters <tim.peters@gmail.com>
parents: 24280
diff changeset
631 static PyTypeObject poll_Type = {
61465
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632 /* The ob_type field must be initialized in the module init function
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633 * to be portable to Windows without using C++. */
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634 PyVarObject_HEAD_INIT(NULL, 0)
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diff changeset
635 "select.poll", /*tp_name*/
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636 sizeof(pollObject), /*tp_basicsize*/
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637 0, /*tp_itemsize*/
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638 /* methods */
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639 (destructor)poll_dealloc, /*tp_dealloc*/
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640 0, /*tp_print*/
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641 (getattrfunc)poll_getattr, /*tp_getattr*/
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642 0, /*tp_setattr*/
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643 0, /*tp_compare*/
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diff changeset
644 0, /*tp_repr*/
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645 0, /*tp_as_number*/
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646 0, /*tp_as_sequence*/
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647 0, /*tp_as_mapping*/
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648 0, /*tp_hash*/
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diff changeset
649 };
35b7989ba20c Add interface to poll() system call (SF patch #100852)
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parents: 13761
diff changeset
650
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23607
diff changeset
651 PyDoc_STRVAR(poll_doc,
14174
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diff changeset
652 "Returns a polling object, which supports registering and\n\
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23607
diff changeset
653 unregistering file descriptors, and then polling them for I/O events.");
14174
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diff changeset
654
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
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diff changeset
655 static PyObject *
38489
3fe3ccdf0155 Make use of METH_O and METH_NOARGS where possible.
Georg Brandl <georg@python.org>
parents: 37935
diff changeset
656 select_poll(PyObject *self, PyObject *unused)
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
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diff changeset
657 {
61465
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658 return (PyObject *)newPollObject();
14174
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659 }
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660
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661 #ifdef __APPLE__
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662 /*
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663 * On some systems poll() sets errno on invalid file descriptors. We test
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664 * for this at runtime because this bug may be fixed or introduced between
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665 * OS releases.
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666 */
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667 static int select_have_broken_poll(void)
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668 {
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669 int poll_test;
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670 int filedes[2];
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671
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672 struct pollfd poll_struct = { 0, POLLIN|POLLPRI|POLLOUT, 0 };
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673
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674 /* Create a file descriptor to make invalid */
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675 if (pipe(filedes) < 0) {
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676 return 1;
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677 }
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678 poll_struct.fd = filedes[0];
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679 close(filedes[0]);
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680 close(filedes[1]);
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681 poll_test = poll(&poll_struct, 1, 0);
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682 if (poll_test < 0) {
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683 return 1;
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684 } else if (poll_test == 0 && poll_struct.revents != POLLNVAL) {
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685 return 1;
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686 }
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687 return 0;
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688 }
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689 #endif /* __APPLE__ */
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690
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691 #endif /* HAVE_POLL */
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692
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693 #ifdef HAVE_EPOLL
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694 /* **************************************************************************
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695 * epoll interface for Linux 2.6
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diff changeset
696 *
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697 * Written by Christian Heimes
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698 * Inspired by Twisted's _epoll.pyx and select.poll()
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diff changeset
699 */
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700
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701 #ifdef HAVE_SYS_EPOLL_H
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702 #include <sys/epoll.h>
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703 #endif
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704
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705 typedef struct {
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706 PyObject_HEAD
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707 SOCKET epfd; /* epoll control file descriptor */
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708 } pyEpoll_Object;
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709
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710 static PyTypeObject pyEpoll_Type;
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711 #define pyepoll_CHECK(op) (PyObject_TypeCheck((op), &pyEpoll_Type))
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712
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713 static PyObject *
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714 pyepoll_err_closed(void)
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715 {
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716 PyErr_SetString(PyExc_ValueError, "I/O operation on closed epoll fd");
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717 return NULL;
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718 }
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719
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720 static int
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721 pyepoll_internal_close(pyEpoll_Object *self)
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722 {
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723 int save_errno = 0;
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724 if (self->epfd >= 0) {
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725 int epfd = self->epfd;
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726 self->epfd = -1;
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727 Py_BEGIN_ALLOW_THREADS
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728 if (close(epfd) < 0)
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729 save_errno = errno;
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730 Py_END_ALLOW_THREADS
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731 }
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732 return save_errno;
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733 }
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734
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735 static PyObject *
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736 newPyEpoll_Object(PyTypeObject *type, int sizehint, SOCKET fd)
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737 {
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738 pyEpoll_Object *self;
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739
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740 if (sizehint == -1) {
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741 sizehint = FD_SETSIZE-1;
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742 }
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743 else if (sizehint < 1) {
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744 PyErr_Format(PyExc_ValueError,
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745 "sizehint must be greater zero, got %d",
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746 sizehint);
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747 return NULL;
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748 }
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749
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750 assert(type != NULL && type->tp_alloc != NULL);
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751 self = (pyEpoll_Object *) type->tp_alloc(type, 0);
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752 if (self == NULL)
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753 return NULL;
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754
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755 if (fd == -1) {
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756 Py_BEGIN_ALLOW_THREADS
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757 self->epfd = epoll_create(sizehint);
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758 Py_END_ALLOW_THREADS
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759 }
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760 else {
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761 self->epfd = fd;
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762 }
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763 if (self->epfd < 0) {
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764 Py_DECREF(self);
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765 PyErr_SetFromErrno(PyExc_IOError);
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766 return NULL;
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767 }
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768 return (PyObject *)self;
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769 }
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770
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771
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772 static PyObject *
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773 pyepoll_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
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774 {
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775 int sizehint = -1;
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776 static char *kwlist[] = {"sizehint", NULL};
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777
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778 if (!PyArg_ParseTupleAndKeywords(args, kwds, "|i:epoll", kwlist,
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779 &sizehint))
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780 return NULL;
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781
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782 return newPyEpoll_Object(type, sizehint, -1);
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783 }
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784
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785
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786 static void
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787 pyepoll_dealloc(pyEpoll_Object *self)
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diff changeset
788 {
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789 (void)pyepoll_internal_close(self);
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790 Py_TYPE(self)->tp_free(self);
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791 }
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792
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793 static PyObject*
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794 pyepoll_close(pyEpoll_Object *self)
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795 {
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796 errno = pyepoll_internal_close(self);
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797 if (errno < 0) {
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798 PyErr_SetFromErrno(PyExc_IOError);
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799 return NULL;
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800 }
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801 Py_RETURN_NONE;
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802 }
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803
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804 PyDoc_STRVAR(pyepoll_close_doc,
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805 "close() -> None\n\
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806 \n\
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807 Close the epoll control file descriptor. Further operations on the epoll\n\
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808 object will raise an exception.");
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809
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810 static PyObject*
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811 pyepoll_get_closed(pyEpoll_Object *self)
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812 {
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813 if (self->epfd < 0)
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814 Py_RETURN_TRUE;
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815 else
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816 Py_RETURN_FALSE;
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817 }
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818
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819 static PyObject*
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820 pyepoll_fileno(pyEpoll_Object *self)
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821 {
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822 if (self->epfd < 0)
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823 return pyepoll_err_closed();
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824 return PyInt_FromLong(self->epfd);
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825 }
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826
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827 PyDoc_STRVAR(pyepoll_fileno_doc,
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828 "fileno() -> int\n\
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829 \n\
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830 Return the epoll control file descriptor.");
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831
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832 static PyObject*
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833 pyepoll_fromfd(PyObject *cls, PyObject *args)
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834 {
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835 SOCKET fd;
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836
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837 if (!PyArg_ParseTuple(args, "i:fromfd", &fd))
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838 return NULL;
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839
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840 return newPyEpoll_Object((PyTypeObject*)cls, -1, fd);
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841 }
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842
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843 PyDoc_STRVAR(pyepoll_fromfd_doc,
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844 "fromfd(fd) -> epoll\n\
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845 \n\
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846 Create an epoll object from a given control fd.");
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847
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848 static PyObject *
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849 pyepoll_internal_ctl(int epfd, int op, PyObject *pfd, unsigned int events)
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850 {
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851 struct epoll_event ev;
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852 int result;
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853 int fd;
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854
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855 if (epfd < 0)
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856 return pyepoll_err_closed();
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857
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858 fd = PyObject_AsFileDescriptor(pfd);
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859 if (fd == -1) {
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860 return NULL;
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861 }
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862
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863 switch(op) {
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864 case EPOLL_CTL_ADD:
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865 case EPOLL_CTL_MOD:
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866 ev.events = events;
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867 ev.data.fd = fd;
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868 Py_BEGIN_ALLOW_THREADS
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869 result = epoll_ctl(epfd, op, fd, &ev);
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870 Py_END_ALLOW_THREADS
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871 break;
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872 case EPOLL_CTL_DEL:
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873 /* In kernel versions before 2.6.9, the EPOLL_CTL_DEL
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874 * operation required a non-NULL pointer in event, even
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875 * though this argument is ignored. */
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876 Py_BEGIN_ALLOW_THREADS
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877 result = epoll_ctl(epfd, op, fd, &ev);
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878 if (errno == EBADF) {
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879 /* fd already closed */
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880 result = 0;
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881 errno = 0;
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882 }
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883 Py_END_ALLOW_THREADS
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884 break;
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885 default:
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886 result = -1;
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887 errno = EINVAL;
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888 }
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889
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890 if (result < 0) {
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891 PyErr_SetFromErrno(PyExc_IOError);
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892 return NULL;
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893 }
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894 Py_RETURN_NONE;
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895 }
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896
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897 static PyObject *
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898 pyepoll_register(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
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899 {
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900 PyObject *pfd;
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901 unsigned int events = EPOLLIN | EPOLLOUT | EPOLLPRI;
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902 static char *kwlist[] = {"fd", "eventmask", NULL};
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903
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904 if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|I:register", kwlist,
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905 &pfd, &events)) {
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906 return NULL;
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907 }
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908
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909 return pyepoll_internal_ctl(self->epfd, EPOLL_CTL_ADD, pfd, events);
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910 }
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911
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912 PyDoc_STRVAR(pyepoll_register_doc,
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913 "register(fd[, eventmask]) -> None\n\
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914 \n\
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915 Registers a new fd or modifies an already registered fd.\n\
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916 fd is the target file descriptor of the operation.\n\
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917 events is a bit set composed of the various EPOLL constants; the default\n\
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918 is EPOLL_IN | EPOLL_OUT | EPOLL_PRI.\n\
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919 \n\
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920 The epoll interface supports all file descriptors that support poll.");
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921
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922 static PyObject *
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923 pyepoll_modify(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
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924 {
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925 PyObject *pfd;
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926 unsigned int events;
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927 static char *kwlist[] = {"fd", "eventmask", NULL};
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928
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diff changeset
929 if (!PyArg_ParseTupleAndKeywords(args, kwds, "OI:modify", kwlist,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
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parents: 60424
diff changeset
930 &pfd, &events)) {
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parents: 60424
diff changeset
931 return NULL;
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parents: 60424
diff changeset
932 }
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
933
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diff changeset
934 return pyepoll_internal_ctl(self->epfd, EPOLL_CTL_MOD, pfd, events);
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
935 }
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
936
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
937 PyDoc_STRVAR(pyepoll_modify_doc,
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
938 "modify(fd, eventmask) -> None\n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
939 \n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
940 fd is the target file descriptor of the operation\n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
941 events is a bit set composed of the various EPOLL constants");
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
942
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
943 static PyObject *
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
944 pyepoll_unregister(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
945 {
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parents: 60424
diff changeset
946 PyObject *pfd;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
947 static char *kwlist[] = {"fd", NULL};
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
948
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diff changeset
949 if (!PyArg_ParseTupleAndKeywords(args, kwds, "O:unregister", kwlist,
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parents: 60424
diff changeset
950 &pfd)) {
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parents: 60424
diff changeset
951 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
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parents: 60424
diff changeset
952 }
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
953
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diff changeset
954 return pyepoll_internal_ctl(self->epfd, EPOLL_CTL_DEL, pfd, 0);
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
955 }
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
956
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
957 PyDoc_STRVAR(pyepoll_unregister_doc,
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
958 "unregister(fd) -> None\n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
959 \n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
960 fd is the target file descriptor of the operation.");
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
961
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
962 static PyObject *
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
963 pyepoll_poll(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
964 {
61465
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parents: 60424
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965 double dtimeout = -1.;
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parents: 60424
diff changeset
966 int timeout;
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diff changeset
967 int maxevents = -1;
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parents: 60424
diff changeset
968 int nfds, i;
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diff changeset
969 PyObject *elist = NULL, *etuple = NULL;
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parents: 60424
diff changeset
970 struct epoll_event *evs = NULL;
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parents: 60424
diff changeset
971 static char *kwlist[] = {"timeout", "maxevents", NULL};
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
972
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diff changeset
973 if (self->epfd < 0)
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parents: 60424
diff changeset
974 return pyepoll_err_closed();
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
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parents: 44350
diff changeset
975
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diff changeset
976 if (!PyArg_ParseTupleAndKeywords(args, kwds, "|di:poll", kwlist,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
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diff changeset
977 &dtimeout, &maxevents)) {
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diff changeset
978 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
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diff changeset
979 }
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
980
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diff changeset
981 if (dtimeout < 0) {
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diff changeset
982 timeout = -1;
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983 }
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diff changeset
984 else if (dtimeout * 1000.0 > INT_MAX) {
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parents: 60424
diff changeset
985 PyErr_SetString(PyExc_OverflowError,
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diff changeset
986 "timeout is too large");
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987 return NULL;
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diff changeset
988 }
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989 else {
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diff changeset
990 timeout = (int)(dtimeout * 1000.0);
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diff changeset
991 }
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
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diff changeset
992
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993 if (maxevents == -1) {
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diff changeset
994 maxevents = FD_SETSIZE-1;
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995 }
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996 else if (maxevents < 1) {
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diff changeset
997 PyErr_Format(PyExc_ValueError,
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diff changeset
998 "maxevents must be greater than 0, got %d",
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diff changeset
999 maxevents);
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diff changeset
1000 return NULL;
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diff changeset
1001 }
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1002
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diff changeset
1003 evs = PyMem_New(struct epoll_event, maxevents);
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diff changeset
1004 if (evs == NULL) {
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parents: 60424
diff changeset
1005 Py_DECREF(self);
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diff changeset
1006 PyErr_NoMemory();
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diff changeset
1007 return NULL;
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parents: 60424
diff changeset
1008 }
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1009
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diff changeset
1010 Py_BEGIN_ALLOW_THREADS
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diff changeset
1011 nfds = epoll_wait(self->epfd, evs, maxevents, timeout);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
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parents: 60424
diff changeset
1012 Py_END_ALLOW_THREADS
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1013 if (nfds < 0) {
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parents: 60424
diff changeset
1014 PyErr_SetFromErrno(PyExc_IOError);
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parents: 60424
diff changeset
1015 goto error;
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parents: 60424
diff changeset
1016 }
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1017
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diff changeset
1018 elist = PyList_New(nfds);
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parents: 60424
diff changeset
1019 if (elist == NULL) {
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parents: 60424
diff changeset
1020 goto error;
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parents: 60424
diff changeset
1021 }
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1022
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diff changeset
1023 for (i = 0; i < nfds; i++) {
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parents: 60424
diff changeset
1024 etuple = Py_BuildValue("iI", evs[i].data.fd, evs[i].events);
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diff changeset
1025 if (etuple == NULL) {
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parents: 60424
diff changeset
1026 Py_CLEAR(elist);
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parents: 60424
diff changeset
1027 goto error;
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parents: 60424
diff changeset
1028 }
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parents: 60424
diff changeset
1029 PyList_SET_ITEM(elist, i, etuple);
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parents: 60424
diff changeset
1030 }
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1031
46113
8d6fde16e493 Fix and simplify error handling, silencing a compiler warning.
Georg Brandl <georg@python.org>
parents: 46094
diff changeset
1032 error:
61465
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parents: 60424
diff changeset
1033 PyMem_Free(evs);
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parents: 60424
diff changeset
1034 return elist;
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1035 }
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1036
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1037 PyDoc_STRVAR(pyepoll_poll_doc,
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1038 "poll([timeout=-1[, maxevents=-1]]) -> [(fd, events), (...)]\n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1039 \n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1040 Wait for events on the epoll file descriptor for a maximum time of timeout\n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1041 in seconds (as float). -1 makes poll wait indefinitely.\n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1042 Up to maxevents are returned to the caller.");
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1043
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1044 static PyMethodDef pyepoll_methods[] = {
61465
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parents: 60424
diff changeset
1045 {"fromfd", (PyCFunction)pyepoll_fromfd,
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parents: 60424
diff changeset
1046 METH_VARARGS | METH_CLASS, pyepoll_fromfd_doc},
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parents: 60424
diff changeset
1047 {"close", (PyCFunction)pyepoll_close, METH_NOARGS,
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parents: 60424
diff changeset
1048 pyepoll_close_doc},
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parents: 60424
diff changeset
1049 {"fileno", (PyCFunction)pyepoll_fileno, METH_NOARGS,
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parents: 60424
diff changeset
1050 pyepoll_fileno_doc},
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parents: 60424
diff changeset
1051 {"modify", (PyCFunction)pyepoll_modify,
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parents: 60424
diff changeset
1052 METH_VARARGS | METH_KEYWORDS, pyepoll_modify_doc},
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parents: 60424
diff changeset
1053 {"register", (PyCFunction)pyepoll_register,
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parents: 60424
diff changeset
1054 METH_VARARGS | METH_KEYWORDS, pyepoll_register_doc},
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diff changeset
1055 {"unregister", (PyCFunction)pyepoll_unregister,
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diff changeset
1056 METH_VARARGS | METH_KEYWORDS, pyepoll_unregister_doc},
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parents: 60424
diff changeset
1057 {"poll", (PyCFunction)pyepoll_poll,
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parents: 60424
diff changeset
1058 METH_VARARGS | METH_KEYWORDS, pyepoll_poll_doc},
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1059 {NULL, NULL},
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1060 };
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1061
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1062 static PyGetSetDef pyepoll_getsetlist[] = {
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1063 {"closed", (getter)pyepoll_get_closed, NULL,
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1064 "True if the epoll handler is closed"},
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1065 {0},
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1066 };
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1067
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1068 PyDoc_STRVAR(pyepoll_doc,
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1069 "select.epoll([sizehint=-1])\n\
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1070 \n\
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1071 Returns an epolling object\n\
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1072 \n\
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1073 sizehint must be a positive integer or -1 for the default size. The\n\
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1074 sizehint is used to optimize internal data structures. It doesn't limit\n\
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1075 the maximum number of monitored events.");
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1076
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1077 static PyTypeObject pyEpoll_Type = {
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1078 PyVarObject_HEAD_INIT(NULL, 0)
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1079 "select.epoll", /* tp_name */
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1080 sizeof(pyEpoll_Object), /* tp_basicsize */
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1081 0, /* tp_itemsize */
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1082 (destructor)pyepoll_dealloc, /* tp_dealloc */
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1083 0, /* tp_print */
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1084 0, /* tp_getattr */
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1085 0, /* tp_setattr */
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1086 0, /* tp_compare */
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1087 0, /* tp_repr */
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1088 0, /* tp_as_number */
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1089 0, /* tp_as_sequence */
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1090 0, /* tp_as_mapping */
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1091 0, /* tp_hash */
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1092 0, /* tp_call */
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1093 0, /* tp_str */
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1094 PyObject_GenericGetAttr, /* tp_getattro */
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1095 0, /* tp_setattro */
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1096 0, /* tp_as_buffer */
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1097 Py_TPFLAGS_DEFAULT, /* tp_flags */
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1098 pyepoll_doc, /* tp_doc */
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1099 0, /* tp_traverse */
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1100 0, /* tp_clear */
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1101 0, /* tp_richcompare */
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1102 0, /* tp_weaklistoffset */
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1103 0, /* tp_iter */
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1104 0, /* tp_iternext */
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1105 pyepoll_methods, /* tp_methods */
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1106 0, /* tp_members */
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1107 pyepoll_getsetlist, /* tp_getset */
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1108 0, /* tp_base */
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1109 0, /* tp_dict */
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1110 0, /* tp_descr_get */
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1111 0, /* tp_descr_set */
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1112 0, /* tp_dictoffset */
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1113 0, /* tp_init */
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1114 0, /* tp_alloc */
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1115 pyepoll_new, /* tp_new */
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1116 0, /* tp_free */
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1117 };
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1118
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1119 #endif /* HAVE_EPOLL */
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1120
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1121 #ifdef HAVE_KQUEUE
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1122 /* **************************************************************************
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1123 * kqueue interface for BSD
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1124 *
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1125 * Copyright (c) 2000 Doug White, 2006 James Knight, 2007 Christian Heimes
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1126 * All rights reserved.
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1127 *
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1128 * Redistribution and use in source and binary forms, with or without
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1129 * modification, are permitted provided that the following conditions
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1130 * are met:
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1131 * 1. Redistributions of source code must retain the above copyright
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1132 * notice, this list of conditions and the following disclaimer.
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1133 * 2. Redistributions in binary form must reproduce the above copyright
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1134 * notice, this list of conditions and the following disclaimer in the
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1135 * documentation and/or other materials provided with the distribution.
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1136 *
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1137 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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1138 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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1139 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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1140 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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1141 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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1142 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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1143 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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1144 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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1145 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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1146 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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1147 * SUCH DAMAGE.
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1148 */
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1149
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1150 #ifdef HAVE_SYS_EVENT_H
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1151 #include <sys/event.h>
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1152 #endif
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1153
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1154 PyDoc_STRVAR(kqueue_event_doc,
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1155 "kevent(ident, filter=KQ_FILTER_READ, flags=KQ_EV_ADD, fflags=0, data=0, udata=0)\n\
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1156 \n\
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1157 This object is the equivalent of the struct kevent for the C API.\n\
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1158 \n\
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1159 See the kqueue manpage for more detailed information about the meaning\n\
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1160 of the arguments.\n\
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1161 \n\
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1162 One minor note: while you might hope that udata could store a\n\
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1163 reference to a python object, it cannot, because it is impossible to\n\
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1164 keep a proper reference count of the object once it's passed into the\n\
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1165 kernel. Therefore, I have restricted it to only storing an integer. I\n\
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1166 recommend ignoring it and simply using the 'ident' field to key off\n\
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1167 of. You could also set up a dictionary on the python side to store a\n\
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1168 udata->object mapping.");
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1169
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1170 typedef struct {
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1171 PyObject_HEAD
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1172 struct kevent e;
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1173 } kqueue_event_Object;
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1174
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1175 static PyTypeObject kqueue_event_Type;
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1176
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1177 #define kqueue_event_Check(op) (PyObject_TypeCheck((op), &kqueue_event_Type))
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1178
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1179 typedef struct {
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1180 PyObject_HEAD
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1181 SOCKET kqfd; /* kqueue control fd */
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1182 } kqueue_queue_Object;
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1183
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1184 static PyTypeObject kqueue_queue_Type;
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1185
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1186 #define kqueue_queue_Check(op) (PyObject_TypeCheck((op), &kqueue_queue_Type))
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1187
57112
068f9430cc24 Issue #7211: Allow 64-bit values for the `ident` and `data` fields of kevent
Antoine Pitrou <solipsis@pitrou.net>
parents: 55266
diff changeset
1188 #if (SIZEOF_UINTPTR_T != SIZEOF_VOID_P)
068f9430cc24 Issue #7211: Allow 64-bit values for the `ident` and `data` fields of kevent
Antoine Pitrou <solipsis@pitrou.net>
parents: 55266
diff changeset
1189 # error uintptr_t does not match void *!
068f9430cc24 Issue #7211: Allow 64-bit values for the `ident` and `data` fields of kevent
Antoine Pitrou <solipsis@pitrou.net>
parents: 55266
diff changeset
1190 #elif (SIZEOF_UINTPTR_T == SIZEOF_LONG_LONG)
068f9430cc24 Issue #7211: Allow 64-bit values for the `ident` and `data` fields of kevent
Antoine Pitrou <solipsis@pitrou.net>
parents: 55266
diff changeset
1191 # define T_UINTPTRT T_ULONGLONG
068f9430cc24 Issue #7211: Allow 64-bit values for the `ident` and `data` fields of kevent
Antoine Pitrou <solipsis@pitrou.net>
parents: 55266
diff changeset
1192 # define T_INTPTRT T_LONGLONG
068f9430cc24 Issue #7211: Allow 64-bit values for the `ident` and `data` fields of kevent
Antoine Pitrou <solipsis@pitrou.net>
parents: 55266
diff changeset
1193 # define PyLong_AsUintptr_t PyLong_AsUnsignedLongLong
068f9430cc24 Issue #7211: Allow 64-bit values for the `ident` and `data` fields of kevent
Antoine Pitrou <solipsis@pitrou.net>
parents: 55266
diff changeset
1194 # define UINTPTRT_FMT_UNIT "K"
068f9430cc24 Issue #7211: Allow 64-bit values for the `ident` and `data` fields of kevent
Antoine Pitrou <solipsis@pitrou.net>
parents: 55266
diff changeset
1195 # define INTPTRT_FMT_UNIT "L"
068f9430cc24 Issue #7211: Allow 64-bit values for the `ident` and `data` fields of kevent
Antoine Pitrou <solipsis@pitrou.net>
parents: 55266
diff changeset
1196 #elif (SIZEOF_UINTPTR_T == SIZEOF_LONG)
068f9430cc24 Issue #7211: Allow 64-bit values for the `ident` and `data` fields of kevent
Antoine Pitrou <solipsis@pitrou.net>
parents: 55266
diff changeset
1197 # define T_UINTPTRT T_ULONG
068f9430cc24 Issue #7211: Allow 64-bit values for the `ident` and `data` fields of kevent
Antoine Pitrou <solipsis@pitrou.net>
parents: 55266
diff changeset
1198 # define T_INTPTRT T_LONG
068f9430cc24 Issue #7211: Allow 64-bit values for the `ident` and `data` fields of kevent
Antoine Pitrou <solipsis@pitrou.net>
parents: 55266
diff changeset
1199 # define PyLong_AsUintptr_t PyLong_AsUnsignedLong
068f9430cc24 Issue #7211: Allow 64-bit values for the `ident` and `data` fields of kevent
Antoine Pitrou <solipsis@pitrou.net>
parents: 55266
diff changeset
1200 # define UINTPTRT_FMT_UNIT "k"
068f9430cc24 Issue #7211: Allow 64-bit values for the `ident` and `data` fields of kevent
Antoine Pitrou <solipsis@pitrou.net>
parents: 55266
diff changeset
1201 # define INTPTRT_FMT_UNIT "l"
068f9430cc24 Issue #7211: Allow 64-bit values for the `ident` and `data` fields of kevent
Antoine Pitrou <solipsis@pitrou.net>
parents: 55266
diff changeset
1202 #elif (SIZEOF_UINTPTR_T == SIZEOF_INT)
068f9430cc24 Issue #7211: Allow 64-bit values for the `ident` and `data` fields of kevent
Antoine Pitrou <solipsis@pitrou.net>
parents: 55266
diff changeset
1203 # define T_UINTPTRT T_UINT
068f9430cc24 Issue #7211: Allow 64-bit values for the `ident` and `data` fields of kevent
Antoine Pitrou <solipsis@pitrou.net>
parents: 55266
diff changeset
1204 # define T_INTPTRT T_INT
068f9430cc24 Issue #7211: Allow 64-bit values for the `ident` and `data` fields of kevent
Antoine Pitrou <solipsis@pitrou.net>
parents: 55266
diff changeset
1205 # define PyLong_AsUintptr_t PyLong_AsUnsignedLong
068f9430cc24 Issue #7211: Allow 64-bit values for the `ident` and `data` fields of kevent
Antoine Pitrou <solipsis@pitrou.net>
parents: 55266
diff changeset
1206 # define UINTPTRT_FMT_UNIT "I"
068f9430cc24 Issue #7211: Allow 64-bit values for the `ident` and `data` fields of kevent
Antoine Pitrou <solipsis@pitrou.net>
parents: 55266
diff changeset
1207 # define INTPTRT_FMT_UNIT "i"
068f9430cc24 Issue #7211: Allow 64-bit values for the `ident` and `data` fields of kevent
Antoine Pitrou <solipsis@pitrou.net>
parents: 55266
diff changeset
1208 #else
068f9430cc24 Issue #7211: Allow 64-bit values for the `ident` and `data` fields of kevent
Antoine Pitrou <solipsis@pitrou.net>
parents: 55266
diff changeset
1209 # error uintptr_t does not match int, long, or long long!
068f9430cc24 Issue #7211: Allow 64-bit values for the `ident` and `data` fields of kevent
Antoine Pitrou <solipsis@pitrou.net>
parents: 55266
diff changeset
1210 #endif
068f9430cc24 Issue #7211: Allow 64-bit values for the `ident` and `data` fields of kevent
Antoine Pitrou <solipsis@pitrou.net>
parents: 55266
diff changeset
1211
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1212 /* Unfortunately, we can't store python objects in udata, because
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1213 * kevents in the kernel can be removed without warning, which would
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1214 * forever lose the refcount on the object stored with it.
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1215 */
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1216
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1217 #define KQ_OFF(x) offsetof(kqueue_event_Object, x)
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1218 static struct PyMemberDef kqueue_event_members[] = {
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60612
diff changeset
1219 {"ident", T_UINTPTRT, KQ_OFF(e.ident)},
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1220 {"filter", T_SHORT, KQ_OFF(e.filter)},
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1221 {"flags", T_USHORT, KQ_OFF(e.flags)},
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1222 {"fflags", T_UINT, KQ_OFF(e.fflags)},
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60612
diff changeset
1223 {"data", T_INTPTRT, KQ_OFF(e.data)},
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60612
diff changeset
1224 {"udata", T_UINTPTRT, KQ_OFF(e.udata)},
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1225 {NULL} /* Sentinel */
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1226 };
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1227 #undef KQ_OFF
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1228
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1229 static PyObject *
59841
d1398ff01a07 Merged revisions 77593,77702-77703,77858,77887,78113-78115,78117,78245,78385-78386,78496,78760,78771-78773,78802 via svnmerge from
Georg Brandl <georg@python.org>
parents: 59834
diff changeset
1230
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1231 kqueue_event_repr(kqueue_event_Object *s)
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1232 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1233 char buf[1024];
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1234 PyOS_snprintf(
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1235 buf, sizeof(buf),
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60612
diff changeset
1236 "<select.kevent ident=%zu filter=%d flags=0x%x fflags=0x%x "
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60612
diff changeset
1237 "data=0x%zd udata=%p>",
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60612
diff changeset
1238 (size_t)(s->e.ident), s->e.filter, s->e.flags,
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60612
diff changeset
1239 s->e.fflags, (Py_ssize_t)(s->e.data), s->e.udata);
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1240 return PyString_FromString(buf);
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1241 }
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1242
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1243 static int
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1244 kqueue_event_init(kqueue_event_Object *self, PyObject *args, PyObject *kwds)
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1245 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1246 PyObject *pfd;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1247 static char *kwlist[] = {"ident", "filter", "flags", "fflags",
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1248 "data", "udata", NULL};
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60612
diff changeset
1249 static char *fmt = "O|hhi" INTPTRT_FMT_UNIT UINTPTRT_FMT_UNIT ":kevent";
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1250
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1251 EV_SET(&(self->e), 0, EVFILT_READ, EV_ADD, 0, 0, 0); /* defaults */
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1252
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60612
diff changeset
1253 if (!PyArg_ParseTupleAndKeywords(args, kwds, fmt, kwlist,
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1254 &pfd, &(self->e.filter), &(self->e.flags),
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1255 &(self->e.fflags), &(self->e.data), &(self->e.udata))) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1256 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1257 }
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1258
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60612
diff changeset
1259 if (PyLong_Check(pfd)) {
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60612
diff changeset
1260 self->e.ident = PyLong_AsUintptr_t(pfd);
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60612
diff changeset
1261 }
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60612
diff changeset
1262 else {
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60612
diff changeset
1263 self->e.ident = PyObject_AsFileDescriptor(pfd);
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60612
diff changeset
1264 }
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60612
diff changeset
1265 if (PyErr_Occurred()) {
61465
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1266 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1267 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1268 return 0;
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1269 }
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1270
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1271 static PyObject *
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1272 kqueue_event_richcompare(kqueue_event_Object *s, kqueue_event_Object *o,
61465
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1273 int op)
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1274 {
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60612
diff changeset
1275 Py_intptr_t result = 0;
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1276
61465
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parents: 60424
diff changeset
1277 if (!kqueue_event_Check(o)) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1278 if (op == Py_EQ || op == Py_NE) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1279 PyObject *res = op == Py_EQ ? Py_False : Py_True;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
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parents: 60424
diff changeset
1280 Py_INCREF(res);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1281 return res;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1282 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
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parents: 60424
diff changeset
1283 PyErr_Format(PyExc_TypeError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
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parents: 60424
diff changeset
1284 "can't compare %.200s to %.200s",
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
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parents: 60424
diff changeset
1285 Py_TYPE(s)->tp_name, Py_TYPE(o)->tp_name);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1286 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
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parents: 60424
diff changeset
1287 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
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parents: 60424
diff changeset
1288 if (((result = s->e.ident - o->e.ident) == 0) &&
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1289 ((result = s->e.filter - o->e.filter) == 0) &&
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
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parents: 60424
diff changeset
1290 ((result = s->e.flags - o->e.flags) == 0) &&
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
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parents: 60424
diff changeset
1291 ((result = s->e.fflags - o->e.fflags) == 0) &&
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
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parents: 60424
diff changeset
1292 ((result = s->e.data - o->e.data) == 0) &&
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
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parents: 60424
diff changeset
1293 ((result = s->e.udata - o->e.udata) == 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
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parents: 60424
diff changeset
1294 ) {
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parents: 60424
diff changeset
1295 result = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
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parents: 60424
diff changeset
1296 }
45991
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Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1297
61465
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diff changeset
1298 switch (op) {
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parents: 60424
diff changeset
1299 case Py_EQ:
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parents: 60424
diff changeset
1300 result = (result == 0);
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parents: 60424
diff changeset
1301 break;
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parents: 60424
diff changeset
1302 case Py_NE:
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parents: 60424
diff changeset
1303 result = (result != 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
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parents: 60424
diff changeset
1304 break;
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parents: 60424
diff changeset
1305 case Py_LE:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
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parents: 60424
diff changeset
1306 result = (result <= 0);
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parents: 60424
diff changeset
1307 break;
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parents: 60424
diff changeset
1308 case Py_GE:
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diff changeset
1309 result = (result >= 0);
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diff changeset
1310 break;
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diff changeset
1311 case Py_LT:
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diff changeset
1312 result = (result < 0);
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diff changeset
1313 break;
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diff changeset
1314 case Py_GT:
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diff changeset
1315 result = (result > 0);
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diff changeset
1316 break;
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diff changeset
1317 }
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60612
diff changeset
1318 return PyBool_FromLong((long)result);
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1319 }
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1320
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1321 static PyTypeObject kqueue_event_Type = {
61465
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diff changeset
1322 PyVarObject_HEAD_INIT(NULL, 0)
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parents: 60424
diff changeset
1323 "select.kevent", /* tp_name */
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parents: 60424
diff changeset
1324 sizeof(kqueue_event_Object), /* tp_basicsize */
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parents: 60424
diff changeset
1325 0, /* tp_itemsize */
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parents: 60424
diff changeset
1326 0, /* tp_dealloc */
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parents: 60424
diff changeset
1327 0, /* tp_print */
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diff changeset
1328 0, /* tp_getattr */
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diff changeset
1329 0, /* tp_setattr */
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diff changeset
1330 0, /* tp_compare */
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diff changeset
1331 (reprfunc)kqueue_event_repr, /* tp_repr */
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parents: 60424
diff changeset
1332 0, /* tp_as_number */
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diff changeset
1333 0, /* tp_as_sequence */
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diff changeset
1334 0, /* tp_as_mapping */
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parents: 60424
diff changeset
1335 0, /* tp_hash */
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parents: 60424
diff changeset
1336 0, /* tp_call */
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parents: 60424
diff changeset
1337 0, /* tp_str */
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diff changeset
1338 0, /* tp_getattro */
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diff changeset
1339 0, /* tp_setattro */
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parents: 60424
diff changeset
1340 0, /* tp_as_buffer */
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diff changeset
1341 Py_TPFLAGS_DEFAULT, /* tp_flags */
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diff changeset
1342 kqueue_event_doc, /* tp_doc */
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diff changeset
1343 0, /* tp_traverse */
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diff changeset
1344 0, /* tp_clear */
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diff changeset
1345 (richcmpfunc)kqueue_event_richcompare, /* tp_richcompare */
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parents: 60424
diff changeset
1346 0, /* tp_weaklistoffset */
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diff changeset
1347 0, /* tp_iter */
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diff changeset
1348 0, /* tp_iternext */
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diff changeset
1349 0, /* tp_methods */
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diff changeset
1350 kqueue_event_members, /* tp_members */
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diff changeset
1351 0, /* tp_getset */
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diff changeset
1352 0, /* tp_base */
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diff changeset
1353 0, /* tp_dict */
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diff changeset
1354 0, /* tp_descr_get */
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diff changeset
1355 0, /* tp_descr_set */
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diff changeset
1356 0, /* tp_dictoffset */
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diff changeset
1357 (initproc)kqueue_event_init, /* tp_init */
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diff changeset
1358 0, /* tp_alloc */
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diff changeset
1359 0, /* tp_new */
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parents: 60424
diff changeset
1360 0, /* tp_free */
45991
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parents: 44350
diff changeset
1361 };
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
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parents: 44350
diff changeset
1362
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1363 static PyObject *
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1364 kqueue_queue_err_closed(void)
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1365 {
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diff changeset
1366 PyErr_SetString(PyExc_ValueError, "I/O operation on closed kqueue fd");
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1367 return NULL;
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diff changeset
1368 }
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
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parents: 44350
diff changeset
1369
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diff changeset
1370 static int
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
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parents: 44350
diff changeset
1371 kqueue_queue_internal_close(kqueue_queue_Object *self)
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
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diff changeset
1372 {
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1373 int save_errno = 0;
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1374 if (self->kqfd >= 0) {
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1375 int kqfd = self->kqfd;
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1376 self->kqfd = -1;
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diff changeset
1377 Py_BEGIN_ALLOW_THREADS
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diff changeset
1378 if (close(kqfd) < 0)
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1379 save_errno = errno;
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diff changeset
1380 Py_END_ALLOW_THREADS
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1381 }
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1382 return save_errno;
45991
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diff changeset
1383 }
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
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diff changeset
1384
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
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diff changeset
1385 static PyObject *
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1386 newKqueue_Object(PyTypeObject *type, SOCKET fd)
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
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parents: 44350
diff changeset
1387 {
61465
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diff changeset
1388 kqueue_queue_Object *self;
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parents: 60424
diff changeset
1389 assert(type != NULL && type->tp_alloc != NULL);
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diff changeset
1390 self = (kqueue_queue_Object *) type->tp_alloc(type, 0);
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diff changeset
1391 if (self == NULL) {
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1392 return NULL;
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1393 }
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diff changeset
1394
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diff changeset
1395 if (fd == -1) {
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diff changeset
1396 Py_BEGIN_ALLOW_THREADS
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diff changeset
1397 self->kqfd = kqueue();
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diff changeset
1398 Py_END_ALLOW_THREADS
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diff changeset
1399 }
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1400 else {
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1401 self->kqfd = fd;
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1402 }
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1403 if (self->kqfd < 0) {
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parents: 60424
diff changeset
1404 Py_DECREF(self);
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diff changeset
1405 PyErr_SetFromErrno(PyExc_IOError);
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1406 return NULL;
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1407 }
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1408 return (PyObject *)self;
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1409 }
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1410
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Christian Heimes <christian@cheimes.de>
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diff changeset
1411 static PyObject *
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1412 kqueue_queue_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
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parents: 44350
diff changeset
1413 {
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
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parents: 44350
diff changeset
1414
61465
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1415 if ((args != NULL && PyObject_Size(args)) ||
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diff changeset
1416 (kwds != NULL && PyObject_Size(kwds))) {
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diff changeset
1417 PyErr_SetString(PyExc_ValueError,
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diff changeset
1418 "select.kqueue doesn't accept arguments");
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1419 return NULL;
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diff changeset
1420 }
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
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parents: 44350
diff changeset
1421
61465
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diff changeset
1422 return newKqueue_Object(type, -1);
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
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parents: 44350
diff changeset
1423 }
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
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parents: 44350
diff changeset
1424
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
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diff changeset
1425 static void
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
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diff changeset
1426 kqueue_queue_dealloc(kqueue_queue_Object *self)
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
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parents: 44350
diff changeset
1427 {
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diff changeset
1428 kqueue_queue_internal_close(self);
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diff changeset
1429 Py_TYPE(self)->tp_free(self);
45991
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Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1430 }
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1431
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parents: 44350
diff changeset
1432 static PyObject*
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
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parents: 44350
diff changeset
1433 kqueue_queue_close(kqueue_queue_Object *self)
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1434 {
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diff changeset
1435 errno = kqueue_queue_internal_close(self);
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diff changeset
1436 if (errno < 0) {
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1437 PyErr_SetFromErrno(PyExc_IOError);
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1438 return NULL;
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diff changeset
1439 }
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diff changeset
1440 Py_RETURN_NONE;
45991
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Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1441 }
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1442
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1443 PyDoc_STRVAR(kqueue_queue_close_doc,
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1444 "close() -> None\n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1445 \n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1446 Close the kqueue control file descriptor. Further operations on the kqueue\n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1447 object will raise an exception.");
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1448
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1449 static PyObject*
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1450 kqueue_queue_get_closed(kqueue_queue_Object *self)
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1451 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1452 if (self->kqfd < 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1453 Py_RETURN_TRUE;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1454 else
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1455 Py_RETURN_FALSE;
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1456 }
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1457
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1458 static PyObject*
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1459 kqueue_queue_fileno(kqueue_queue_Object *self)
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1460 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1461 if (self->kqfd < 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1462 return kqueue_queue_err_closed();
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1463 return PyInt_FromLong(self->kqfd);
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1464 }
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1465
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1466 PyDoc_STRVAR(kqueue_queue_fileno_doc,
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1467 "fileno() -> int\n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1468 \n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1469 Return the kqueue control file descriptor.");
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1470
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1471 static PyObject*
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1472 kqueue_queue_fromfd(PyObject *cls, PyObject *args)
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1473 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1474 SOCKET fd;
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1475
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1476 if (!PyArg_ParseTuple(args, "i:fromfd", &fd))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1477 return NULL;
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1478
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1479 return newKqueue_Object((PyTypeObject*)cls, fd);
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1480 }
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1481
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1482 PyDoc_STRVAR(kqueue_queue_fromfd_doc,
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1483 "fromfd(fd) -> kqueue\n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1484 \n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1485 Create a kqueue object from a given control fd.");
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1486
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1487 static PyObject *
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1488 kqueue_queue_control(kqueue_queue_Object *self, PyObject *args)
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1489 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1490 int nevents = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1491 int gotevents = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1492 int nchanges = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1493 int i = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1494 PyObject *otimeout = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1495 PyObject *ch = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1496 PyObject *it = NULL, *ei = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1497 PyObject *result = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1498 struct kevent *evl = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1499 struct kevent *chl = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1500 struct timespec timeoutspec;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1501 struct timespec *ptimeoutspec;
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1502
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1503 if (self->kqfd < 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1504 return kqueue_queue_err_closed();
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1505
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1506 if (!PyArg_ParseTuple(args, "Oi|O:control", &ch, &nevents, &otimeout))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1507 return NULL;
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1508
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1509 if (nevents < 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1510 PyErr_Format(PyExc_ValueError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1511 "Length of eventlist must be 0 or positive, got %d",
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1512 nevents);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1513 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1514 }
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1515
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1516 if (otimeout == Py_None || otimeout == NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1517 ptimeoutspec = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1518 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1519 else if (PyNumber_Check(otimeout)) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1520 double timeout;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1521 long seconds;
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1522
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1523 timeout = PyFloat_AsDouble(otimeout);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1524 if (timeout == -1 && PyErr_Occurred())
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1525 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1526 if (timeout > (double)LONG_MAX) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1527 PyErr_SetString(PyExc_OverflowError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1528 "timeout period too long");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1529 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1530 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1531 if (timeout < 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1532 PyErr_SetString(PyExc_ValueError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1533 "timeout must be positive or None");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1534 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1535 }
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1536
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1537 seconds = (long)timeout;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1538 timeout = timeout - (double)seconds;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1539 timeoutspec.tv_sec = seconds;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1540 timeoutspec.tv_nsec = (long)(timeout * 1E9);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1541 ptimeoutspec = &timeoutspec;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1542 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1543 else {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1544 PyErr_Format(PyExc_TypeError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1545 "timeout argument must be an number "
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1546 "or None, got %.200s",
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1547 Py_TYPE(otimeout)->tp_name);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1548 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1549 }
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1550
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1551 if (ch != NULL && ch != Py_None) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1552 it = PyObject_GetIter(ch);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1553 if (it == NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1554 PyErr_SetString(PyExc_TypeError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1555 "changelist is not iterable");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1556 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1557 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1558 nchanges = PyObject_Size(ch);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1559 if (nchanges < 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1560 goto error;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1561 }
59841
d1398ff01a07 Merged revisions 77593,77702-77703,77858,77887,78113-78115,78117,78245,78385-78386,78496,78760,78771-78773,78802 via svnmerge from
Georg Brandl <georg@python.org>
parents: 59834
diff changeset
1562
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1563 chl = PyMem_New(struct kevent, nchanges);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1564 if (chl == NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1565 PyErr_NoMemory();
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1566 goto error;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1567 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1568 i = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1569 while ((ei = PyIter_Next(it)) != NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1570 if (!kqueue_event_Check(ei)) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1571 Py_DECREF(ei);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1572 PyErr_SetString(PyExc_TypeError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1573 "changelist must be an iterable of "
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1574 "select.kevent objects");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1575 goto error;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1576 } else {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1577 chl[i++] = ((kqueue_event_Object *)ei)->e;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1578 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1579 Py_DECREF(ei);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1580 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1581 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1582 Py_CLEAR(it);
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1583
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1584 /* event list */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1585 if (nevents) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1586 evl = PyMem_New(struct kevent, nevents);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1587 if (evl == NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1588 PyErr_NoMemory();
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1589 goto error;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1590 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1591 }
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1592
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1593 Py_BEGIN_ALLOW_THREADS
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1594 gotevents = kevent(self->kqfd, chl, nchanges,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1595 evl, nevents, ptimeoutspec);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1596 Py_END_ALLOW_THREADS
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1597
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1598 if (gotevents == -1) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1599 PyErr_SetFromErrno(PyExc_OSError);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1600 goto error;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1601 }
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1602
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1603 result = PyList_New(gotevents);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1604 if (result == NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1605 goto error;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1606 }
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1607
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1608 for (i = 0; i < gotevents; i++) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1609 kqueue_event_Object *ch;
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1610
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1611 ch = PyObject_New(kqueue_event_Object, &kqueue_event_Type);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1612 if (ch == NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1613 goto error;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1614 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1615 ch->e = evl[i];
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1616 PyList_SET_ITEM(result, i, (PyObject *)ch);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1617 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1618 PyMem_Free(chl);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1619 PyMem_Free(evl);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1620 return result;
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1621
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1622 error:
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1623 PyMem_Free(chl);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1624 PyMem_Free(evl);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1625 Py_XDECREF(result);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1626 Py_XDECREF(it);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1627 return NULL;
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1628 }
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1629
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1630 PyDoc_STRVAR(kqueue_queue_control_doc,
49241
50b1e55756a5 #3852: fix some select.kqueue and kevent docs.
Georg Brandl <georg@python.org>
parents: 48046
diff changeset
1631 "control(changelist, max_events[, timeout=None]) -> eventlist\n\
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1632 \n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1633 Calls the kernel kevent function.\n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1634 - changelist must be a list of kevent objects describing the changes\n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1635 to be made to the kernel's watch list or None.\n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1636 - max_events lets you specify the maximum number of events that the\n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1637 kernel will return.\n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1638 - timeout is the maximum time to wait in seconds, or else None,\n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1639 to wait forever. timeout accepts floats for smaller timeouts, too.");
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1640
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1641
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1642 static PyMethodDef kqueue_queue_methods[] = {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1643 {"fromfd", (PyCFunction)kqueue_queue_fromfd,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1644 METH_VARARGS | METH_CLASS, kqueue_queue_fromfd_doc},
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1645 {"close", (PyCFunction)kqueue_queue_close, METH_NOARGS,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1646 kqueue_queue_close_doc},
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1647 {"fileno", (PyCFunction)kqueue_queue_fileno, METH_NOARGS,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1648 kqueue_queue_fileno_doc},
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1649 {"control", (PyCFunction)kqueue_queue_control,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1650 METH_VARARGS , kqueue_queue_control_doc},
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1651 {NULL, NULL},
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1652 };
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1653
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1654 static PyGetSetDef kqueue_queue_getsetlist[] = {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1655 {"closed", (getter)kqueue_queue_get_closed, NULL,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1656 "True if the kqueue handler is closed"},
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1657 {0},
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1658 };
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1659
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1660 PyDoc_STRVAR(kqueue_queue_doc,
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1661 "Kqueue syscall wrapper.\n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1662 \n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1663 For example, to start watching a socket for input:\n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1664 >>> kq = kqueue()\n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1665 >>> sock = socket()\n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1666 >>> sock.connect((host, port))\n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1667 >>> kq.control([kevent(sock, KQ_FILTER_WRITE, KQ_EV_ADD)], 0)\n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1668 \n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1669 To wait one second for it to become writeable:\n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1670 >>> kq.control(None, 1, 1000)\n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1671 \n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1672 To stop listening:\n\
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1673 >>> kq.control([kevent(sock, KQ_FILTER_WRITE, KQ_EV_DELETE)], 0)");
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1674
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1675 static PyTypeObject kqueue_queue_Type = {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1676 PyVarObject_HEAD_INIT(NULL, 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1677 "select.kqueue", /* tp_name */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1678 sizeof(kqueue_queue_Object), /* tp_basicsize */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1679 0, /* tp_itemsize */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1680 (destructor)kqueue_queue_dealloc, /* tp_dealloc */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1681 0, /* tp_print */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1682 0, /* tp_getattr */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1683 0, /* tp_setattr */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1684 0, /* tp_compare */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1685 0, /* tp_repr */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1686 0, /* tp_as_number */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1687 0, /* tp_as_sequence */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1688 0, /* tp_as_mapping */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1689 0, /* tp_hash */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1690 0, /* tp_call */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1691 0, /* tp_str */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1692 0, /* tp_getattro */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1693 0, /* tp_setattro */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1694 0, /* tp_as_buffer */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1695 Py_TPFLAGS_DEFAULT, /* tp_flags */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1696 kqueue_queue_doc, /* tp_doc */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1697 0, /* tp_traverse */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1698 0, /* tp_clear */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1699 0, /* tp_richcompare */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1700 0, /* tp_weaklistoffset */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1701 0, /* tp_iter */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1702 0, /* tp_iternext */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1703 kqueue_queue_methods, /* tp_methods */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1704 0, /* tp_members */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1705 kqueue_queue_getsetlist, /* tp_getset */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1706 0, /* tp_base */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1707 0, /* tp_dict */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1708 0, /* tp_descr_get */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1709 0, /* tp_descr_set */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1710 0, /* tp_dictoffset */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1711 0, /* tp_init */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1712 0, /* tp_alloc */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1713 kqueue_queue_new, /* tp_new */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1714 0, /* tp_free */
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1715 };
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1716
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1717 #endif /* HAVE_KQUEUE */
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1718 /* ************************************************************************ */
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1719
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23607
diff changeset
1720 PyDoc_STRVAR(select_doc,
8570
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
1721 "select(rlist, wlist, xlist[, timeout]) -> (rlist, wlist, xlist)\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
1722 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
1723 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
1724 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
1725 rlist -- wait until ready for reading\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
1726 wlist -- wait until ready for writing\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
1727 xlist -- wait for an ``exceptional condition''\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
1728 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
1729 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
1730 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
1731 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
1732 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
1733 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
1734 or None, the call will never time out.\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
1735 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
1736 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
1737 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
1738 that are ready.\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
1739 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
1740 *** IMPORTANT NOTICE ***\n\
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1741 On Windows and OpenVMS, only sockets are supported; on Unix, all file\n\
46094
b51e4b50ed30 Minor docstring typos
Andrew M. Kuchling <amk@amk.ca>
parents: 45991
diff changeset
1742 descriptors can be used.");
8570
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
1743
4692
cb405b9696d4 Several changes... Guido *please* take a look!
Barry Warsaw <barry@python.org>
parents: 4621
diff changeset
1744 static PyMethodDef select_methods[] = {
61465
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1745 {"select", select_select, METH_VARARGS, select_doc},
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1746 #ifdef HAVE_POLL
61465
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1747 {"poll", select_poll, METH_NOARGS, poll_doc},
37935
e3a8a8de355e Patch 1471761 - test for broken poll at runtime
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 36501
diff changeset
1748 #endif /* HAVE_POLL */
61465
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1749 {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
1750 };
a4793ae26682 Changes for new UNIX-specific built-in module 'select' and new header for
Guido van Rossum <guido@python.org>
parents:
diff changeset
1751
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23607
diff changeset
1752 PyDoc_STRVAR(module_doc,
8570
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
1753 "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
1754 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
1755 *** IMPORTANT NOTICE ***\n\
39043
c67b23397f30 Patch #1516912: improve Modules support for OpenVMS.
Neal Norwitz <nnorwitz@gmail.com>
parents: 38716
diff changeset
1756 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
1757
24363
979ff5d0ae07 Replace DL_IMPORT with PyMODINIT_FUNC and remove "/export:init..." link
Mark Hammond <mhammond@skippinet.com.au>
parents: 24283
diff changeset
1758 PyMODINIT_FUNC
13651
8a063423e0b7 Bunch of minor ANSIfications: 'void initfunc()' -> 'void initfunc(void)',
Thomas Wouters <thomas@python.org>
parents: 13593
diff changeset
1759 initselect(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
1760 {
61465
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1761 PyObject *m;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1762 m = Py_InitModule3("select", select_methods, module_doc);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1763 if (m == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1764 return;
22729
cdff3c7c1a76 Use the PyModule_Add*() APIs instead of manipulating the module dict
Fred Drake <fdrake@acm.org>
parents: 22114
diff changeset
1765
61465
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1766 SelectError = PyErr_NewException("select.error", NULL, NULL);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1767 Py_INCREF(SelectError);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1768 PyModule_AddObject(m, "error", SelectError);
37935
e3a8a8de355e Patch 1471761 - test for broken poll at runtime
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 36501
diff changeset
1769
55178
5609352fea12 #6416: Fix compilation of the select module on Windows, as well as test_subprocess:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 55085
diff changeset
1770 #ifdef PIPE_BUF
65386
d4390b6bf7ec Merged revisions 85554 via svnmerge from
R. David Murray <rdmurray@bitdance.com>
parents: 63608
diff changeset
1771 #ifdef HAVE_BROKEN_PIPE_BUF
d4390b6bf7ec Merged revisions 85554 via svnmerge from
R. David Murray <rdmurray@bitdance.com>
parents: 63608
diff changeset
1772 #undef PIPE_BUF
d4390b6bf7ec Merged revisions 85554 via svnmerge from
R. David Murray <rdmurray@bitdance.com>
parents: 63608
diff changeset
1773 #define PIPE_BUF 512
d4390b6bf7ec Merged revisions 85554 via svnmerge from
R. David Murray <rdmurray@bitdance.com>
parents: 63608
diff changeset
1774 #endif
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60612
diff changeset
1775 PyModule_AddIntConstant(m, "PIPE_BUF", PIPE_BUF);
55178
5609352fea12 #6416: Fix compilation of the select module on Windows, as well as test_subprocess:
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 55085
diff changeset
1776 #endif
55085
9c9fe9aafba6 Adds the select.PIPE_BUF attribute to expose the system constant.
Gregory P. Smith <greg@mad-scientist.com>
parents: 49241
diff changeset
1777
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1778 #if defined(HAVE_POLL)
37935
e3a8a8de355e Patch 1471761 - test for broken poll at runtime
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 36501
diff changeset
1779 #ifdef __APPLE__
61465
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1780 if (select_have_broken_poll()) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1781 if (PyObject_DelAttrString(m, "poll") == -1) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1782 PyErr_Clear();
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1783 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1784 } else {
37935
e3a8a8de355e Patch 1471761 - test for broken poll at runtime
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 36501
diff changeset
1785 #else
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1786 {
37935
e3a8a8de355e Patch 1471761 - test for broken poll at runtime
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 36501
diff changeset
1787 #endif
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1788 Py_TYPE(&poll_Type) = &PyType_Type;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1789 PyModule_AddIntConstant(m, "POLLIN", POLLIN);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1790 PyModule_AddIntConstant(m, "POLLPRI", POLLPRI);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1791 PyModule_AddIntConstant(m, "POLLOUT", POLLOUT);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1792 PyModule_AddIntConstant(m, "POLLERR", POLLERR);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1793 PyModule_AddIntConstant(m, "POLLHUP", POLLHUP);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1794 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
1795
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
1796 #ifdef POLLRDNORM
61465
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1797 PyModule_AddIntConstant(m, "POLLRDNORM", POLLRDNORM);
14918
914ae7f9c64c Add #ifdef's for platforms that don't have the constants POLLRDNORM and
Andrew M. Kuchling <amk@amk.ca>
parents: 14869
diff changeset
1798 #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
1799 #ifdef POLLRDBAND
61465
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1800 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
1801 #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
1802 #ifdef POLLWRNORM
61465
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1803 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
1804 #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
1805 #ifdef POLLWRBAND
61465
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1806 PyModule_AddIntConstant(m, "POLLWRBAND", POLLWRBAND);
14918
914ae7f9c64c Add #ifdef's for platforms that don't have the constants POLLRDNORM and
Andrew M. Kuchling <amk@amk.ca>
parents: 14869
diff changeset
1807 #endif
14182
c85a80db6845 Not every OS that support poll seems to support POLLMSG.
Sjoerd Mullender <sjoerd@acm.org>
parents: 14174
diff changeset
1808 #ifdef POLLMSG
61465
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1809 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
1810 #endif
61465
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1811 }
37935
e3a8a8de355e Patch 1471761 - test for broken poll at runtime
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 36501
diff changeset
1812 #endif /* HAVE_POLL */
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1813
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1814 #ifdef HAVE_EPOLL
61465
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1815 Py_TYPE(&pyEpoll_Type) = &PyType_Type;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1816 if (PyType_Ready(&pyEpoll_Type) < 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1817 return;
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1818
61465
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1819 Py_INCREF(&pyEpoll_Type);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1820 PyModule_AddObject(m, "epoll", (PyObject *) &pyEpoll_Type);
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1821
61465
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1822 PyModule_AddIntConstant(m, "EPOLLIN", EPOLLIN);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1823 PyModule_AddIntConstant(m, "EPOLLOUT", EPOLLOUT);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1824 PyModule_AddIntConstant(m, "EPOLLPRI", EPOLLPRI);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1825 PyModule_AddIntConstant(m, "EPOLLERR", EPOLLERR);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1826 PyModule_AddIntConstant(m, "EPOLLHUP", EPOLLHUP);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1827 PyModule_AddIntConstant(m, "EPOLLET", EPOLLET);
45991
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1828 #ifdef EPOLLONESHOT
61465
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parents: 60424
diff changeset
1829 /* Kernel 2.6.2+ */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60424
diff changeset
1830 PyModule_AddIntConstant(m, "EPOLLONESHOT", EPOLLONESHOT);
14182
c85a80db6845 Not every OS that support poll seems to support POLLMSG.
Sjoerd Mullender <sjoerd@acm.org>
parents: 14174
diff changeset
1831 #endif
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1832 /* PyModule_AddIntConstant(m, "EPOLL_RDHUP", EPOLLRDHUP); */
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diff changeset
1833 PyModule_AddIntConstant(m, "EPOLLRDNORM", EPOLLRDNORM);
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diff changeset
1834 PyModule_AddIntConstant(m, "EPOLLRDBAND", EPOLLRDBAND);
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diff changeset
1835 PyModule_AddIntConstant(m, "EPOLLWRNORM", EPOLLWRNORM);
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diff changeset
1836 PyModule_AddIntConstant(m, "EPOLLWRBAND", EPOLLWRBAND);
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diff changeset
1837 PyModule_AddIntConstant(m, "EPOLLMSG", EPOLLMSG);
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Christian Heimes <christian@cheimes.de>
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diff changeset
1838 #endif /* HAVE_EPOLL */
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1839
728dc13327b2 Applied patch #1657 epoll and kqueue wrappers for the select module
Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1840 #ifdef HAVE_KQUEUE
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diff changeset
1841 kqueue_event_Type.tp_new = PyType_GenericNew;
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diff changeset
1842 Py_TYPE(&kqueue_event_Type) = &PyType_Type;
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diff changeset
1843 if(PyType_Ready(&kqueue_event_Type) < 0)
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1844 return;
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Christian Heimes <christian@cheimes.de>
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diff changeset
1845
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diff changeset
1846 Py_INCREF(&kqueue_event_Type);
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diff changeset
1847 PyModule_AddObject(m, "kevent", (PyObject *)&kqueue_event_Type);
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diff changeset
1848
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diff changeset
1849 Py_TYPE(&kqueue_queue_Type) = &PyType_Type;
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diff changeset
1850 if(PyType_Ready(&kqueue_queue_Type) < 0)
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diff changeset
1851 return;
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diff changeset
1852 Py_INCREF(&kqueue_queue_Type);
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parents: 60424
diff changeset
1853 PyModule_AddObject(m, "kqueue", (PyObject *)&kqueue_queue_Type);
45991
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Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1854
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diff changeset
1855 /* event filters */
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diff changeset
1856 PyModule_AddIntConstant(m, "KQ_FILTER_READ", EVFILT_READ);
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diff changeset
1857 PyModule_AddIntConstant(m, "KQ_FILTER_WRITE", EVFILT_WRITE);
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diff changeset
1858 PyModule_AddIntConstant(m, "KQ_FILTER_AIO", EVFILT_AIO);
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diff changeset
1859 PyModule_AddIntConstant(m, "KQ_FILTER_VNODE", EVFILT_VNODE);
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parents: 60424
diff changeset
1860 PyModule_AddIntConstant(m, "KQ_FILTER_PROC", EVFILT_PROC);
45991
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Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1861 #ifdef EVFILT_NETDEV
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diff changeset
1862 PyModule_AddIntConstant(m, "KQ_FILTER_NETDEV", EVFILT_NETDEV);
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Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1863 #endif
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diff changeset
1864 PyModule_AddIntConstant(m, "KQ_FILTER_SIGNAL", EVFILT_SIGNAL);
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diff changeset
1865 PyModule_AddIntConstant(m, "KQ_FILTER_TIMER", EVFILT_TIMER);
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Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1866
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diff changeset
1867 /* event flags */
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diff changeset
1868 PyModule_AddIntConstant(m, "KQ_EV_ADD", EV_ADD);
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diff changeset
1869 PyModule_AddIntConstant(m, "KQ_EV_DELETE", EV_DELETE);
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diff changeset
1870 PyModule_AddIntConstant(m, "KQ_EV_ENABLE", EV_ENABLE);
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diff changeset
1871 PyModule_AddIntConstant(m, "KQ_EV_DISABLE", EV_DISABLE);
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diff changeset
1872 PyModule_AddIntConstant(m, "KQ_EV_ONESHOT", EV_ONESHOT);
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diff changeset
1873 PyModule_AddIntConstant(m, "KQ_EV_CLEAR", EV_CLEAR);
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Christian Heimes <christian@cheimes.de>
parents: 44350
diff changeset
1874
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diff changeset
1875 PyModule_AddIntConstant(m, "KQ_EV_SYSFLAGS", EV_SYSFLAGS);
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diff changeset
1876 PyModule_AddIntConstant(m, "KQ_EV_FLAG1", EV_FLAG1);
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parents: 44350
diff changeset
1877
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diff changeset
1878 PyModule_AddIntConstant(m, "KQ_EV_EOF", EV_EOF);
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diff changeset
1879 PyModule_AddIntConstant(m, "KQ_EV_ERROR", EV_ERROR);
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diff changeset
1880
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diff changeset
1881 /* READ WRITE filter flag */
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diff changeset
1882 PyModule_AddIntConstant(m, "KQ_NOTE_LOWAT", NOTE_LOWAT);
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diff changeset
1883
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diff changeset
1884 /* VNODE filter flags */
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diff changeset
1885 PyModule_AddIntConstant(m, "KQ_NOTE_DELETE", NOTE_DELETE);
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diff changeset
1886 PyModule_AddIntConstant(m, "KQ_NOTE_WRITE", NOTE_WRITE);
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diff changeset
1887 PyModule_AddIntConstant(m, "KQ_NOTE_EXTEND", NOTE_EXTEND);
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diff changeset
1888 PyModule_AddIntConstant(m, "KQ_NOTE_ATTRIB", NOTE_ATTRIB);
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diff changeset
1889 PyModule_AddIntConstant(m, "KQ_NOTE_LINK", NOTE_LINK);
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diff changeset
1890 PyModule_AddIntConstant(m, "KQ_NOTE_RENAME", NOTE_RENAME);
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diff changeset
1891 PyModule_AddIntConstant(m, "KQ_NOTE_REVOKE", NOTE_REVOKE);
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diff changeset
1892
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diff changeset
1893 /* PROC filter flags */
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diff changeset
1894 PyModule_AddIntConstant(m, "KQ_NOTE_EXIT", NOTE_EXIT);
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diff changeset
1895 PyModule_AddIntConstant(m, "KQ_NOTE_FORK", NOTE_FORK);
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diff changeset
1896 PyModule_AddIntConstant(m, "KQ_NOTE_EXEC", NOTE_EXEC);
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diff changeset
1897 PyModule_AddIntConstant(m, "KQ_NOTE_PCTRLMASK", NOTE_PCTRLMASK);
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diff changeset
1898 PyModule_AddIntConstant(m, "KQ_NOTE_PDATAMASK", NOTE_PDATAMASK);
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Christian Heimes <christian@cheimes.de>
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diff changeset
1899
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1900 PyModule_AddIntConstant(m, "KQ_NOTE_TRACK", NOTE_TRACK);
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1901 PyModule_AddIntConstant(m, "KQ_NOTE_CHILD", NOTE_CHILD);
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1902 PyModule_AddIntConstant(m, "KQ_NOTE_TRACKERR", NOTE_TRACKERR);
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1903
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1904 /* NETDEV filter flags */
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diff changeset
1905 #ifdef EVFILT_NETDEV
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1906 PyModule_AddIntConstant(m, "KQ_NOTE_LINKUP", NOTE_LINKUP);
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diff changeset
1907 PyModule_AddIntConstant(m, "KQ_NOTE_LINKDOWN", NOTE_LINKDOWN);
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1908 PyModule_AddIntConstant(m, "KQ_NOTE_LINKINV", NOTE_LINKINV);
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1909 #endif
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diff changeset
1910
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diff changeset
1911 #endif /* HAVE_KQUEUE */
902
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Guido van Rossum <guido@python.org>
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diff changeset
1912 }