Mercurial > cpython-lru_cache-weakref

annotate Modules/selectmodule.c @ 84007:dbfbdf2b5c19 3.3

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Fix #17967: For ftp urls CWD to target instead of hopping to each directory towards target. This fixes a bug where target is accessible, but parent directories are restricted.
author Senthil Kumaran <senthil@uthcode.com>
date Sat, 01 Jun 2013 08:27:06 -0700
parents f6c50b437de6
children 072ba5df77e4 557599a32821
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1 /* select - Module containing unix select(2) call.
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2 Under Unix, the file descriptors are small integers.
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3 Under Win32, select only exists for sockets, and sockets may
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4 have any value except INVALID_SOCKET.
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5 */
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6
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7 #include "Python.h"
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8 #include <structmember.h>
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9
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10 #ifdef HAVE_SYS_DEVPOLL_H
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11 #include <sys/resource.h>
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12 #include <sys/devpoll.h>
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13 #include <sys/types.h>
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14 #include <sys/stat.h>
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15 #include <fcntl.h>
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16 #endif
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17
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18 #ifdef __APPLE__
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19 /* Perform runtime testing for a broken poll on OSX to make it easier
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20 * to use the same binary on multiple releases of the OS.
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21 */
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22 #undef HAVE_BROKEN_POLL
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23 #endif
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24
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25 /* Windows #defines FD_SETSIZE to 64 if FD_SETSIZE isn't already defined.
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26 64 is too small (too many people have bumped into that limit).
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27 Here we boost it.
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28 Users who want even more than the boosted limit should #define
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29 FD_SETSIZE higher before this; e.g., via compiler /D switch.
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30 */
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31 #if defined(MS_WINDOWS) && !defined(FD_SETSIZE)
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32 #define FD_SETSIZE 512
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33 #endif
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34
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35 #if defined(HAVE_POLL_H)
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36 #include <poll.h>
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37 #elif defined(HAVE_SYS_POLL_H)
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38 #include <sys/poll.h>
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39 #endif
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40
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41 #ifdef __sgi
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42 /* This is missing from unistd.h */
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43 extern void bzero(void *, int);
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44 #endif
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45
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46 #ifdef HAVE_SYS_TYPES_H
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47 #include <sys/types.h>
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48 #endif
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49
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50 #if defined(PYOS_OS2) && !defined(PYCC_GCC)
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51 #include <sys/time.h>
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52 #include <utils.h>
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53 #endif
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54
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55 #ifdef MS_WINDOWS
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56 # define WIN32_LEAN_AND_MEAN
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57 # include <winsock.h>
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58 #else
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59 # define SOCKET int
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60 # if defined(__VMS)
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61 # include <socket.h>
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62 # endif
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63 #endif
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64
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65 /* list of Python objects and their file descriptor */
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66 typedef struct {
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67 PyObject *obj; /* owned reference */
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68 SOCKET fd;
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69 int sentinel; /* -1 == sentinel */
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70 } pylist;
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71
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72 static void
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73 reap_obj(pylist fd2obj[FD_SETSIZE + 1])
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74 {
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75 int i;
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76 for (i = 0; i < FD_SETSIZE + 1 && fd2obj[i].sentinel >= 0; i++) {
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77 Py_XDECREF(fd2obj[i].obj);
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78 fd2obj[i].obj = NULL;
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79 }
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80 fd2obj[0].sentinel = -1;
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81 }
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82
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83
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84 /* returns -1 and sets the Python exception if an error occurred, otherwise
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85 returns a number >= 0
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86 */
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87 static int
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88 seq2set(PyObject *seq, fd_set *set, pylist fd2obj[FD_SETSIZE + 1])
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89 {
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90 int max = -1;
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91 int index = 0;
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92 Py_ssize_t i;
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93 PyObject* fast_seq = NULL;
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94 PyObject* o = NULL;
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95
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96 fd2obj[0].obj = (PyObject*)0; /* set list to zero size */
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97 FD_ZERO(set);
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98
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99 fast_seq = PySequence_Fast(seq, "arguments 1-3 must be sequences");
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100 if (!fast_seq)
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101 return -1;
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102
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103 for (i = 0; i < PySequence_Fast_GET_SIZE(fast_seq); i++) {
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104 SOCKET v;
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105
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106 /* any intervening fileno() calls could decr this refcnt */
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107 if (!(o = PySequence_Fast_GET_ITEM(fast_seq, i)))
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108 goto finally;
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109
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110 Py_INCREF(o);
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111 v = PyObject_AsFileDescriptor( o );
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112 if (v == -1) goto finally;
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113
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114 #if defined(_MSC_VER)
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115 max = 0; /* not used for Win32 */
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116 #else /* !_MSC_VER */
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117 if (!_PyIsSelectable_fd(v)) {
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118 PyErr_SetString(PyExc_ValueError,
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119 "filedescriptor out of range in select()");
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120 goto finally;
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121 }
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122 if (v > max)
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123 max = v;
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124 #endif /* _MSC_VER */
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125 FD_SET(v, set);
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126
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127 /* add object and its file descriptor to the list */
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128 if (index >= FD_SETSIZE) {
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129 PyErr_SetString(PyExc_ValueError,
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130 "too many file descriptors in select()");
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131 goto finally;
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132 }
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133 fd2obj[index].obj = o;
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134 fd2obj[index].fd = v;
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135 fd2obj[index].sentinel = 0;
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136 fd2obj[++index].sentinel = -1;
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137 }
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138 Py_DECREF(fast_seq);
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139 return max+1;
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140
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141 finally:
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142 Py_XDECREF(o);
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143 Py_DECREF(fast_seq);
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144 return -1;
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145 }
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146
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147 /* returns NULL and sets the Python exception if an error occurred */
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148 static PyObject *
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149 set2list(fd_set *set, pylist fd2obj[FD_SETSIZE + 1])
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150 {
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151 int i, j, count=0;
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152 PyObject *list, *o;
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153 SOCKET fd;
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154
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155 for (j = 0; fd2obj[j].sentinel >= 0; j++) {
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156 if (FD_ISSET(fd2obj[j].fd, set))
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157 count++;
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158 }
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159 list = PyList_New(count);
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160 if (!list)
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161 return NULL;
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162
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163 i = 0;
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164 for (j = 0; fd2obj[j].sentinel >= 0; j++) {
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165 fd = fd2obj[j].fd;
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166 if (FD_ISSET(fd, set)) {
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167 o = fd2obj[j].obj;
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168 fd2obj[j].obj = NULL;
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169 /* transfer ownership */
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170 if (PyList_SetItem(list, i, o) < 0)
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171 goto finally;
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172
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173 i++;
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174 }
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175 }
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176 return list;
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177 finally:
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178 Py_DECREF(list);
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179 return NULL;
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180 }
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181
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182 #undef SELECT_USES_HEAP
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183 #if FD_SETSIZE > 1024
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184 #define SELECT_USES_HEAP
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185 #endif /* FD_SETSIZE > 1024 */
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186
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187 static PyObject *
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188 select_select(PyObject *self, PyObject *args)
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189 {
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190 #ifdef SELECT_USES_HEAP
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191 pylist *rfd2obj, *wfd2obj, *efd2obj;
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192 #else /* !SELECT_USES_HEAP */
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193 /* XXX: All this should probably be implemented as follows:
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194 * - find the highest descriptor we're interested in
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195 * - add one
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196 * - that's the size
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197 * See: Stevens, APitUE, $12.5.1
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198 */
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199 pylist rfd2obj[FD_SETSIZE + 1];
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200 pylist wfd2obj[FD_SETSIZE + 1];
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201 pylist efd2obj[FD_SETSIZE + 1];
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202 #endif /* SELECT_USES_HEAP */
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203 PyObject *ifdlist, *ofdlist, *efdlist;
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204 PyObject *ret = NULL;
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205 PyObject *tout = Py_None;
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206 fd_set ifdset, ofdset, efdset;
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207 struct timeval tv, *tvp;
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208 int imax, omax, emax, max;
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209 int n;
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210
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211 /* convert arguments */
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212 if (!PyArg_UnpackTuple(args, "select", 3, 4,
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213 &ifdlist, &ofdlist, &efdlist, &tout))
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214 return NULL;
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215
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216 if (tout == Py_None)
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217 tvp = (struct timeval *)0;
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218 else if (!PyNumber_Check(tout)) {
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219 PyErr_SetString(PyExc_TypeError,
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220 "timeout must be a float or None");
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221 return NULL;
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222 }
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223 else {
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224 #ifdef MS_WINDOWS
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225 time_t sec;
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226 if (_PyTime_ObjectToTimeval(tout, &sec, &tv.tv_usec) == -1)
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227 return NULL;
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228 assert(sizeof(tv.tv_sec) == sizeof(long));
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229 #if SIZEOF_TIME_T > SIZEOF_LONG
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230 if (sec > LONG_MAX) {
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231 PyErr_SetString(PyExc_OverflowError,
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232 "timeout is too large");
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233 return NULL;
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234 }
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235 #endif
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236 tv.tv_sec = (long)sec;
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237 #else
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238 /* 64-bit OS X has struct timeval.tv_usec as an int (and thus still 4
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239 bytes as required), but no longer defined by a long. */
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240 long tv_usec;
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241 if (_PyTime_ObjectToTimeval(tout, &tv.tv_sec, &tv_usec) == -1)
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242 return NULL;
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243 tv.tv_usec = tv_usec;
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244 #endif
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245 if (tv.tv_sec < 0) {
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246 PyErr_SetString(PyExc_ValueError, "timeout must be non-negative");
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247 return NULL;
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248 }
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249 tvp = &tv;
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250 }
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251
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252
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253 #ifdef SELECT_USES_HEAP
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254 /* Allocate memory for the lists */
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255 rfd2obj = PyMem_NEW(pylist, FD_SETSIZE + 1);
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256 wfd2obj = PyMem_NEW(pylist, FD_SETSIZE + 1);
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257 efd2obj = PyMem_NEW(pylist, FD_SETSIZE + 1);
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258 if (rfd2obj == NULL || wfd2obj == NULL || efd2obj == NULL) {
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259 if (rfd2obj) PyMem_DEL(rfd2obj);
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260 if (wfd2obj) PyMem_DEL(wfd2obj);
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261 if (efd2obj) PyMem_DEL(efd2obj);
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262 return PyErr_NoMemory();
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263 }
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264 #endif /* SELECT_USES_HEAP */
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265 /* Convert sequences to fd_sets, and get maximum fd number
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266 * propagates the Python exception set in seq2set()
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267 */
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268 rfd2obj[0].sentinel = -1;
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269 wfd2obj[0].sentinel = -1;
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270 efd2obj[0].sentinel = -1;
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271 if ((imax=seq2set(ifdlist, &ifdset, rfd2obj)) < 0)
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272 goto finally;
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273 if ((omax=seq2set(ofdlist, &ofdset, wfd2obj)) < 0)
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274 goto finally;
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275 if ((emax=seq2set(efdlist, &efdset, efd2obj)) < 0)
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276 goto finally;
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277 max = imax;
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278 if (omax > max) max = omax;
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279 if (emax > max) max = emax;
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280
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281 Py_BEGIN_ALLOW_THREADS
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282 n = select(max, &ifdset, &ofdset, &efdset, tvp);
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283 Py_END_ALLOW_THREADS
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284
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285 #ifdef MS_WINDOWS
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286 if (n == SOCKET_ERROR) {
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287 PyErr_SetExcFromWindowsErr(PyExc_OSError, WSAGetLastError());
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288 }
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289 #else
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290 if (n < 0) {
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291 PyErr_SetFromErrno(PyExc_OSError);
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292 }
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293 #endif
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294 else {
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295 /* any of these three calls can raise an exception. it's more
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296 convenient to test for this after all three calls... but
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297 is that acceptable?
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298 */
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299 ifdlist = set2list(&ifdset, rfd2obj);
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300 ofdlist = set2list(&ofdset, wfd2obj);
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301 efdlist = set2list(&efdset, efd2obj);
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302 if (PyErr_Occurred())
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303 ret = NULL;
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304 else
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305 ret = PyTuple_Pack(3, ifdlist, ofdlist, efdlist);
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306
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307 Py_DECREF(ifdlist);
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308 Py_DECREF(ofdlist);
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309 Py_DECREF(efdlist);
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310 }
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311
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312 finally:
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313 reap_obj(rfd2obj);
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314 reap_obj(wfd2obj);
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315 reap_obj(efd2obj);
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316 #ifdef SELECT_USES_HEAP
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317 PyMem_DEL(rfd2obj);
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318 PyMem_DEL(wfd2obj);
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319 PyMem_DEL(efd2obj);
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320 #endif /* SELECT_USES_HEAP */
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321 return ret;
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322 }
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323
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f4a4ac7331ec Added configure check for broken poll() on some unix systems (MacOS X 10.3)
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324 #if defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)
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325 /*
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326 * poll() support
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327 */
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328
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329 typedef struct {
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330 PyObject_HEAD
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331 PyObject *dict;
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332 int ufd_uptodate;
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333 int ufd_len;
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334 struct pollfd *ufds;
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335 } pollObject;
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336
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337 static PyTypeObject poll_Type;
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338
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339 /* Update the malloc'ed array of pollfds to match the dictionary
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340 contained within a pollObject. Return 1 on success, 0 on an error.
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341 */
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342
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343 static int
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344 update_ufd_array(pollObject *self)
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345 {
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346 Py_ssize_t i, pos;
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347 PyObject *key, *value;
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348 struct pollfd *old_ufds = self->ufds;
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349
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350 self->ufd_len = PyDict_Size(self->dict);
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351 PyMem_RESIZE(self->ufds, struct pollfd, self->ufd_len);
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352 if (self->ufds == NULL) {
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353 self->ufds = old_ufds;
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354 PyErr_NoMemory();
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355 return 0;
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356 }
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357
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358 i = pos = 0;
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359 while (PyDict_Next(self->dict, &pos, &key, &value)) {
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360 assert(i < self->ufd_len);
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361 /* Never overflow */
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362 self->ufds[i].fd = (int)PyLong_AsLong(key);
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363 self->ufds[i].events = (short)PyLong_AsLong(value);
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364 i++;
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365 }
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366 assert(i == self->ufd_len);
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367 self->ufd_uptodate = 1;
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368 return 1;
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369 }
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370
23832
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Martin v. Löwis <martin@v.loewis.de>
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371 PyDoc_STRVAR(poll_register_doc,
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372 "register(fd [, eventmask] ) -> None\n\n\
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373 Register a file descriptor with the polling object.\n\
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374 fd -- either an integer, or an object with a fileno() method returning an\n\
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375 int.\n\
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376 events -- an optional bitmask describing the type of events to check for");
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377
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378 static PyObject *
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379 poll_register(pollObject *self, PyObject *args)
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380 {
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381 PyObject *o, *key, *value;
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382 int fd;
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383 short events = POLLIN | POLLPRI | POLLOUT;
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384 int err;
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385
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386 if (!PyArg_ParseTuple(args, "O|h:register", &o, &events)) {
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387 return NULL;
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388 }
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389
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390 fd = PyObject_AsFileDescriptor(o);
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391 if (fd == -1) return NULL;
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392
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393 /* Add entry to the internal dictionary: the key is the
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394 file descriptor, and the value is the event mask. */
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395 key = PyLong_FromLong(fd);
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396 if (key == NULL)
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397 return NULL;
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398 value = PyLong_FromLong(events);
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399 if (value == NULL) {
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400 Py_DECREF(key);
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401 return NULL;
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402 }
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403 err = PyDict_SetItem(self->dict, key, value);
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404 Py_DECREF(key);
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405 Py_DECREF(value);
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406 if (err < 0)
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407 return NULL;
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408
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409 self->ufd_uptodate = 0;
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410
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411 Py_INCREF(Py_None);
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412 return Py_None;
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413 }
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414
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415 PyDoc_STRVAR(poll_modify_doc,
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416 "modify(fd, eventmask) -> None\n\n\
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417 Modify an already registered file descriptor.\n\
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418 fd -- either an integer, or an object with a fileno() method returning an\n\
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419 int.\n\
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420 events -- an optional bitmask describing the type of events to check for");
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421
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422 static PyObject *
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423 poll_modify(pollObject *self, PyObject *args)
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424 {
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425 PyObject *o, *key, *value;
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426 int fd, events;
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427 int err;
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428
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429 if (!PyArg_ParseTuple(args, "Oi:modify", &o, &events)) {
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430 return NULL;
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431 }
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432
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433 fd = PyObject_AsFileDescriptor(o);
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434 if (fd == -1) return NULL;
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435
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436 /* Modify registered fd */
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437 key = PyLong_FromLong(fd);
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438 if (key == NULL)
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439 return NULL;
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440 if (PyDict_GetItem(self->dict, key) == NULL) {
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441 errno = ENOENT;
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442 PyErr_SetFromErrno(PyExc_OSError);
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443 Py_DECREF(key);
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444 return NULL;
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445 }
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446 value = PyLong_FromLong(events);
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447 if (value == NULL) {
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448 Py_DECREF(key);
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449 return NULL;
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450 }
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451 err = PyDict_SetItem(self->dict, key, value);
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452 Py_DECREF(key);
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453 Py_DECREF(value);
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454 if (err < 0)
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455 return NULL;
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456
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457 self->ufd_uptodate = 0;
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458
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459 Py_INCREF(Py_None);
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460 return Py_None;
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461 }
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462
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463
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464 PyDoc_STRVAR(poll_unregister_doc,
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465 "unregister(fd) -> None\n\n\
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466 Remove a file descriptor being tracked by the polling object.");
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467
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468 static PyObject *
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469 poll_unregister(pollObject *self, PyObject *o)
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470 {
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471 PyObject *key;
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472 int fd;
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473
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474 fd = PyObject_AsFileDescriptor( o );
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475 if (fd == -1)
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476 return NULL;
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477
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478 /* Check whether the fd is already in the array */
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479 key = PyLong_FromLong(fd);
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480 if (key == NULL)
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481 return NULL;
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482
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483 if (PyDict_DelItem(self->dict, key) == -1) {
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484 Py_DECREF(key);
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485 /* This will simply raise the KeyError set by PyDict_DelItem
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486 if the file descriptor isn't registered. */
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487 return NULL;
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488 }
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489
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490 Py_DECREF(key);
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491 self->ufd_uptodate = 0;
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492
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493 Py_INCREF(Py_None);
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494 return Py_None;
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495 }
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496
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497 PyDoc_STRVAR(poll_poll_doc,
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498 "poll( [timeout] ) -> list of (fd, event) 2-tuples\n\n\
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499 Polls the set of registered file descriptors, returning a list containing \n\
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500 any descriptors that have events or errors to report.");
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501
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502 static PyObject *
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503 poll_poll(pollObject *self, PyObject *args)
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504 {
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505 PyObject *result_list = NULL, *tout = NULL;
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506 int timeout = 0, poll_result, i, j;
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507 PyObject *value = NULL, *num = NULL;
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35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
508
61467
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diff changeset
509 if (!PyArg_UnpackTuple(args, "poll", 0, 1, &tout)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
510 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
511 }
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
512
61467
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diff changeset
513 /* Check values for timeout */
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diff changeset
514 if (tout == NULL || tout == Py_None)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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515 timeout = -1;
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diff changeset
516 else if (!PyNumber_Check(tout)) {
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diff changeset
517 PyErr_SetString(PyExc_TypeError,
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diff changeset
518 "timeout must be an integer or None");
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diff changeset
519 return NULL;
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diff changeset
520 }
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521 else {
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diff changeset
522 tout = PyNumber_Long(tout);
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diff changeset
523 if (!tout)
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524 return NULL;
81587
974ace29ee2d Issue #15989: Fix several occurrences of integer overflow
Serhiy Storchaka <storchaka@gmail.com>
parents: 80161
diff changeset
525 timeout = _PyLong_AsInt(tout);
61467
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diff changeset
526 Py_DECREF(tout);
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diff changeset
527 if (timeout == -1 && PyErr_Occurred())
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528 return NULL;
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diff changeset
529 }
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35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
530
61467
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diff changeset
531 /* Ensure the ufd array is up to date */
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diff changeset
532 if (!self->ufd_uptodate)
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parents: 60425
diff changeset
533 if (update_ufd_array(self) == 0)
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parents: 60425
diff changeset
534 return NULL;
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diff changeset
535
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diff changeset
536 /* call poll() */
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parents: 60425
diff changeset
537 Py_BEGIN_ALLOW_THREADS
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diff changeset
538 poll_result = poll(self->ufds, self->ufd_len, timeout);
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diff changeset
539 Py_END_ALLOW_THREADS
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diff changeset
540
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diff changeset
541 if (poll_result < 0) {
72879
41a1de81ef2b PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72116
diff changeset
542 PyErr_SetFromErrno(PyExc_OSError);
61467
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543 return NULL;
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diff changeset
544 }
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
545
61467
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diff changeset
546 /* build the result list */
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
547
61467
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diff changeset
548 result_list = PyList_New(poll_result);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
549 if (!result_list)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
550 return NULL;
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diff changeset
551 else {
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diff changeset
552 for (i = 0, j = 0; j < poll_result; j++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
553 /* skip to the next fired descriptor */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
554 while (!self->ufds[i].revents) {
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parents: 60425
diff changeset
555 i++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
556 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
557 /* if we hit a NULL return, set value to NULL
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parents: 60425
diff changeset
558 and break out of loop; code at end will
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
559 clean up result_list */
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parents: 60425
diff changeset
560 value = PyTuple_New(2);
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parents: 60425
diff changeset
561 if (value == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
562 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
563 num = PyLong_FromLong(self->ufds[i].fd);
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parents: 60425
diff changeset
564 if (num == NULL) {
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parents: 60425
diff changeset
565 Py_DECREF(value);
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parents: 60425
diff changeset
566 goto error;
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diff changeset
567 }
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diff changeset
568 PyTuple_SET_ITEM(value, 0, num);
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diff changeset
569
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diff changeset
570 /* The &0xffff is a workaround for AIX. 'revents'
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
571 is a 16-bit short, and IBM assigned POLLNVAL
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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572 to be 0x8000, so the conversion to int results
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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573 in a negative number. See SF bug #923315. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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574 num = PyLong_FromLong(self->ufds[i].revents & 0xffff);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
575 if (num == NULL) {
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diff changeset
576 Py_DECREF(value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
577 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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578 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
579 PyTuple_SET_ITEM(value, 1, num);
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diff changeset
580 if ((PyList_SetItem(result_list, j, value)) == -1) {
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diff changeset
581 Py_DECREF(value);
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parents: 60425
diff changeset
582 goto error;
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diff changeset
583 }
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diff changeset
584 i++;
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diff changeset
585 }
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diff changeset
586 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
587 return result_list;
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
588
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
589 error:
61467
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diff changeset
590 Py_DECREF(result_list);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 60425
diff changeset
591 return NULL;
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
592 }
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
593
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
594 static PyMethodDef poll_methods[] = {
61467
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diff changeset
595 {"register", (PyCFunction)poll_register,
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diff changeset
596 METH_VARARGS, poll_register_doc},
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diff changeset
597 {"modify", (PyCFunction)poll_modify,
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diff changeset
598 METH_VARARGS, poll_modify_doc},
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diff changeset
599 {"unregister", (PyCFunction)poll_unregister,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
600 METH_O, poll_unregister_doc},
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diff changeset
601 {"poll", (PyCFunction)poll_poll,
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parents: 60425
diff changeset
602 METH_VARARGS, poll_poll_doc},
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diff changeset
603 {NULL, NULL} /* sentinel */
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
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diff changeset
604 };
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
605
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
606 static pollObject *
14277
984abd20eec2 Peter Schneider-Kamp <nowonder@nowonder.de>:
Fred Drake <fdrake@acm.org>
parents: 14182
diff changeset
607 newPollObject(void)
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
608 {
61467
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diff changeset
609 pollObject *self;
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diff changeset
610 self = PyObject_New(pollObject, &poll_Type);
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diff changeset
611 if (self == NULL)
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612 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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613 /* ufd_uptodate is a Boolean, denoting whether the
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diff changeset
614 array pointed to by ufds matches the contents of the dictionary. */
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diff changeset
615 self->ufd_uptodate = 0;
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diff changeset
616 self->ufds = NULL;
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617 self->dict = PyDict_New();
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618 if (self->dict == NULL) {
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619 Py_DECREF(self);
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620 return NULL;
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621 }
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diff changeset
622 return self;
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
623 }
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
624
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
625 static void
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
626 poll_dealloc(pollObject *self)
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
627 {
61467
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diff changeset
628 if (self->ufds != NULL)
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diff changeset
629 PyMem_DEL(self->ufds);
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parents: 60425
diff changeset
630 Py_XDECREF(self->dict);
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diff changeset
631 PyObject_Del(self);
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
632 }
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
633
24283
c0a67a1cab09 Removed more stray instances of statichere, but left _sre.c alone.
Tim Peters <tim.peters@gmail.com>
parents: 24280
diff changeset
634 static PyTypeObject poll_Type = {
61467
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diff changeset
635 /* The ob_type field must be initialized in the module init function
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diff changeset
636 * to be portable to Windows without using C++. */
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diff changeset
637 PyVarObject_HEAD_INIT(NULL, 0)
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diff changeset
638 "select.poll", /*tp_name*/
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diff changeset
639 sizeof(pollObject), /*tp_basicsize*/
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diff changeset
640 0, /*tp_itemsize*/
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641 /* methods */
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642 (destructor)poll_dealloc, /*tp_dealloc*/
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diff changeset
643 0, /*tp_print*/
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644 0, /*tp_getattr*/
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645 0, /*tp_setattr*/
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646 0, /*tp_reserved*/
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647 0, /*tp_repr*/
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648 0, /*tp_as_number*/
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649 0, /*tp_as_sequence*/
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650 0, /*tp_as_mapping*/
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651 0, /*tp_hash*/
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652 0, /*tp_call*/
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653 0, /*tp_str*/
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654 0, /*tp_getattro*/
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655 0, /*tp_setattro*/
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656 0, /*tp_as_buffer*/
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diff changeset
657 Py_TPFLAGS_DEFAULT, /*tp_flags*/
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658 0, /*tp_doc*/
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659 0, /*tp_traverse*/
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660 0, /*tp_clear*/
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661 0, /*tp_richcompare*/
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662 0, /*tp_weaklistoffset*/
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663 0, /*tp_iter*/
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664 0, /*tp_iternext*/
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diff changeset
665 poll_methods, /*tp_methods*/
14174
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
666 };
35b7989ba20c Add interface to poll() system call (SF patch #100852)
Andrew M. Kuchling <amk@amk.ca>
parents: 13761
diff changeset
667
73549
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
668 #ifdef HAVE_SYS_DEVPOLL_H
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669 typedef struct {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
670 PyObject_HEAD
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
671 int fd_devpoll;
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Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
672 int max_n_fds;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
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673 int n_fds;
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Jesus Cea <jcea@jcea.es>
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674 struct pollfd *fds;
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Jesus Cea <jcea@jcea.es>
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diff changeset
675 } devpollObject;
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parents: 72879
diff changeset
676
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Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
677 static PyTypeObject devpoll_Type;
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diff changeset
678
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Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
679 static int devpoll_flush(devpollObject *self)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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parents: 72879
diff changeset
680 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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parents: 72879
diff changeset
681 int size, n;
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parents: 72879
diff changeset
682
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
683 if (!self->n_fds) return 0;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
684
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
685 size = sizeof(struct pollfd)*self->n_fds;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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parents: 72879
diff changeset
686 self->n_fds = 0;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
687
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
688 Py_BEGIN_ALLOW_THREADS
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
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diff changeset
689 n = write(self->fd_devpoll, self->fds, size);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
690 Py_END_ALLOW_THREADS
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
691
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
692 if (n == -1 ) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
693 PyErr_SetFromErrno(PyExc_IOError);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
694 return -1;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
695 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
696 if (n < size) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
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diff changeset
697 /*
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
698 ** Data writed to /dev/poll is a binary data structure. It is not
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
699 ** clear what to do if a partial write occurred. For now, raise
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
700 ** an exception and see if we actually found this problem in
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
701 ** the wild.
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
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diff changeset
702 ** See http://bugs.python.org/issue6397.
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
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diff changeset
703 */
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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diff changeset
704 PyErr_Format(PyExc_IOError, "failed to write all pollfds. "
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
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diff changeset
705 "Please, report at http://bugs.python.org/. "
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
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diff changeset
706 "Data to report: Size tried: %d, actual size written: %d.",
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
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diff changeset
707 size, n);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
708 return -1;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
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diff changeset
709 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
710 return 0;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
711 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
712
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
713 static PyObject *
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
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diff changeset
714 internal_devpoll_register(devpollObject *self, PyObject *args, int remove)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
715 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
716 PyObject *o;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
717 int fd, events = POLLIN | POLLPRI | POLLOUT;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
718
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
719 if (!PyArg_ParseTuple(args, "O|i:register", &o, &events)) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
720 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
721 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
722
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
723 fd = PyObject_AsFileDescriptor(o);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
724 if (fd == -1) return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
725
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
726 if (remove) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
727 self->fds[self->n_fds].fd = fd;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
728 self->fds[self->n_fds].events = POLLREMOVE;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
729
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
730 if (++self->n_fds == self->max_n_fds) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
731 if (devpoll_flush(self))
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
732 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
733 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
734 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
735
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
736 self->fds[self->n_fds].fd = fd;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
737 self->fds[self->n_fds].events = events;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
738
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
739 if (++self->n_fds == self->max_n_fds) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
740 if (devpoll_flush(self))
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
741 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
742 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
743
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
744 Py_RETURN_NONE;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
745 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
746
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
747 PyDoc_STRVAR(devpoll_register_doc,
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
748 "register(fd [, eventmask] ) -> None\n\n\
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
749 Register a file descriptor with the polling object.\n\
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
750 fd -- either an integer, or an object with a fileno() method returning an\n\
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
751 int.\n\
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
752 events -- an optional bitmask describing the type of events to check for");
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
753
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
754 static PyObject *
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
755 devpoll_register(devpollObject *self, PyObject *args)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
756 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
757 return internal_devpoll_register(self, args, 0);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
758 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
759
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
760 PyDoc_STRVAR(devpoll_modify_doc,
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
761 "modify(fd[, eventmask]) -> None\n\n\
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
762 Modify a possible already registered file descriptor.\n\
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
763 fd -- either an integer, or an object with a fileno() method returning an\n\
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
764 int.\n\
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
765 events -- an optional bitmask describing the type of events to check for");
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
766
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
767 static PyObject *
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
768 devpoll_modify(devpollObject *self, PyObject *args)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
769 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
770 return internal_devpoll_register(self, args, 1);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
771 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
772
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
773
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
774 PyDoc_STRVAR(devpoll_unregister_doc,
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
775 "unregister(fd) -> None\n\n\
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
776 Remove a file descriptor being tracked by the polling object.");
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
777
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
778 static PyObject *
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
779 devpoll_unregister(devpollObject *self, PyObject *o)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
780 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
781 int fd;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
782
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
783 fd = PyObject_AsFileDescriptor( o );
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
784 if (fd == -1)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
785 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
786
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
787 self->fds[self->n_fds].fd = fd;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
788 self->fds[self->n_fds].events = POLLREMOVE;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
789
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
790 if (++self->n_fds == self->max_n_fds) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
791 if (devpoll_flush(self))
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
792 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
793 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
794
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
795 Py_RETURN_NONE;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
796 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
797
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
798 PyDoc_STRVAR(devpoll_poll_doc,
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
799 "poll( [timeout] ) -> list of (fd, event) 2-tuples\n\n\
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
800 Polls the set of registered file descriptors, returning a list containing \n\
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
801 any descriptors that have events or errors to report.");
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
802
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
803 static PyObject *
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
804 devpoll_poll(devpollObject *self, PyObject *args)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
805 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
806 struct dvpoll dvp;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
807 PyObject *result_list = NULL, *tout = NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
808 int poll_result, i;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
809 long timeout;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
810 PyObject *value, *num1, *num2;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
811
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
812 if (!PyArg_UnpackTuple(args, "poll", 0, 1, &tout)) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
813 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
814 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
815
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
816 /* Check values for timeout */
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
817 if (tout == NULL || tout == Py_None)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
818 timeout = -1;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
819 else if (!PyNumber_Check(tout)) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
820 PyErr_SetString(PyExc_TypeError,
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
821 "timeout must be an integer or None");
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
822 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
823 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
824 else {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
825 tout = PyNumber_Long(tout);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
826 if (!tout)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
827 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
828 timeout = PyLong_AsLong(tout);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
829 Py_DECREF(tout);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
830 if (timeout == -1 && PyErr_Occurred())
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
831 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
832 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
833
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
834 if ((timeout < -1) || (timeout > INT_MAX)) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
835 PyErr_SetString(PyExc_OverflowError,
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
836 "timeout is out of range");
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
837 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
838 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
839
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
840 if (devpoll_flush(self))
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
841 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
842
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
843 dvp.dp_fds = self->fds;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
844 dvp.dp_nfds = self->max_n_fds;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
845 dvp.dp_timeout = timeout;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
846
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
847 /* call devpoll() */
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
848 Py_BEGIN_ALLOW_THREADS
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
849 poll_result = ioctl(self->fd_devpoll, DP_POLL, &dvp);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
850 Py_END_ALLOW_THREADS
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
851
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
852 if (poll_result < 0) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
853 PyErr_SetFromErrno(PyExc_IOError);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
854 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
855 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
856
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
857 /* build the result list */
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
858
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
859 result_list = PyList_New(poll_result);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
860 if (!result_list)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
861 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
862 else {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
863 for (i = 0; i < poll_result; i++) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
864 num1 = PyLong_FromLong(self->fds[i].fd);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
865 num2 = PyLong_FromLong(self->fds[i].revents);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
866 if ((num1 == NULL) || (num2 == NULL)) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
867 Py_XDECREF(num1);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
868 Py_XDECREF(num2);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
869 goto error;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
870 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
871 value = PyTuple_Pack(2, num1, num2);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
872 Py_DECREF(num1);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
873 Py_DECREF(num2);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
874 if (value == NULL)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
875 goto error;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
876 if ((PyList_SetItem(result_list, i, value)) == -1) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
877 Py_DECREF(value);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
878 goto error;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
879 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
880 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
881 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
882
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
883 return result_list;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
884
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
885 error:
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
886 Py_DECREF(result_list);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
887 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
888 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
889
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
890 static PyMethodDef devpoll_methods[] = {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
891 {"register", (PyCFunction)devpoll_register,
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
892 METH_VARARGS, devpoll_register_doc},
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
893 {"modify", (PyCFunction)devpoll_modify,
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
894 METH_VARARGS, devpoll_modify_doc},
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
895 {"unregister", (PyCFunction)devpoll_unregister,
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
896 METH_O, devpoll_unregister_doc},
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
897 {"poll", (PyCFunction)devpoll_poll,
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
898 METH_VARARGS, devpoll_poll_doc},
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
899 {NULL, NULL} /* sentinel */
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
900 };
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
901
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
902 static devpollObject *
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
903 newDevPollObject(void)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
904 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
905 devpollObject *self;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
906 int fd_devpoll, limit_result;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
907 struct pollfd *fds;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
908 struct rlimit limit;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
909
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
910 Py_BEGIN_ALLOW_THREADS
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
911 /*
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
912 ** If we try to process more that getrlimit()
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
913 ** fds, the kernel will give an error, so
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
914 ** we set the limit here. It is a dynamic
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
915 ** value, because we can change rlimit() anytime.
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
916 */
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
917 limit_result = getrlimit(RLIMIT_NOFILE, &limit);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
918 if (limit_result != -1)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
919 fd_devpoll = open("/dev/poll", O_RDWR);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
920 Py_END_ALLOW_THREADS
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
921
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
922 if (limit_result == -1) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
923 PyErr_SetFromErrno(PyExc_OSError);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
924 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
925 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
926 if (fd_devpoll == -1) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
927 PyErr_SetFromErrnoWithFilename(PyExc_IOError, "/dev/poll");
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
928 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
929 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
930
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
931 fds = PyMem_NEW(struct pollfd, limit.rlim_cur);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
932 if (fds == NULL) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
933 close(fd_devpoll);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
934 PyErr_NoMemory();
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
935 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
936 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
937
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
938 self = PyObject_New(devpollObject, &devpoll_Type);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
939 if (self == NULL) {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
940 close(fd_devpoll);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
941 PyMem_DEL(fds);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
942 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
943 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
944 self->fd_devpoll = fd_devpoll;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
945 self->max_n_fds = limit.rlim_cur;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
946 self->n_fds = 0;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
947 self->fds = fds;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
948
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
949 return self;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
950 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
951
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
952 static void
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
953 devpoll_dealloc(devpollObject *self)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
954 {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
955 Py_BEGIN_ALLOW_THREADS
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
956 close(self->fd_devpoll);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
957 Py_END_ALLOW_THREADS
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
958
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
959 PyMem_DEL(self->fds);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
960
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
961 PyObject_Del(self);
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
962 }
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
963
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
964 static PyTypeObject devpoll_Type = {
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
965 /* The ob_type field must be initialized in the module init function
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
966 * to be portable to Windows without using C++. */
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
967 PyVarObject_HEAD_INIT(NULL, 0)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
968 "select.devpoll", /*tp_name*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
969 sizeof(devpollObject), /*tp_basicsize*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
970 0, /*tp_itemsize*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
971 /* methods */
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
972 (destructor)devpoll_dealloc, /*tp_dealloc*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
973 0, /*tp_print*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
974 0, /*tp_getattr*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
975 0, /*tp_setattr*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
976 0, /*tp_reserved*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
977 0, /*tp_repr*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
978 0, /*tp_as_number*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
979 0, /*tp_as_sequence*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
980 0, /*tp_as_mapping*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
981 0, /*tp_hash*/
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982 0, /*tp_call*/
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983 0, /*tp_str*/
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984 0, /*tp_getattro*/
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985 0, /*tp_setattro*/
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986 0, /*tp_as_buffer*/
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987 Py_TPFLAGS_DEFAULT, /*tp_flags*/
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988 0, /*tp_doc*/
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989 0, /*tp_traverse*/
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990 0, /*tp_clear*/
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991 0, /*tp_richcompare*/
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
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992 0, /*tp_weaklistoffset*/
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993 0, /*tp_iter*/
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994 0, /*tp_iternext*/
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995 devpoll_methods, /*tp_methods*/
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diff changeset
996 };
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997 #endif /* HAVE_SYS_DEVPOLL_H */
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998
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diff changeset
999
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1000
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diff changeset
1001 PyDoc_STRVAR(poll_doc,
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1002 "Returns a polling object, which supports registering and\n\
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1003 unregistering file descriptors, and then polling them for I/O events.");
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1004
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1005 static PyObject *
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1006 select_poll(PyObject *self, PyObject *unused)
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1007 {
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1008 return (PyObject *)newPollObject();
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1009 }
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1010
73549
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1011 #ifdef HAVE_SYS_DEVPOLL_H
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1012 PyDoc_STRVAR(devpoll_doc,
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1013 "Returns a polling object, which supports registering and\n\
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1014 unregistering file descriptors, and then polling them for I/O events.");
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1015
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1016 static PyObject *
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diff changeset
1017 select_devpoll(PyObject *self, PyObject *unused)
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1018 {
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1019 return (PyObject *)newDevPollObject();
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1020 }
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1021 #endif
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1022
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1023
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1024 #ifdef __APPLE__
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1025 /*
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1026 * On some systems poll() sets errno on invalid file descriptors. We test
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1027 * for this at runtime because this bug may be fixed or introduced between
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diff changeset
1028 * OS releases.
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1029 */
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1030 static int select_have_broken_poll(void)
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1031 {
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1032 int poll_test;
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1033 int filedes[2];
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1034
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1035 struct pollfd poll_struct = { 0, POLLIN|POLLPRI|POLLOUT, 0 };
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1036
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1037 /* Create a file descriptor to make invalid */
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1038 if (pipe(filedes) < 0) {
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1039 return 1;
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1040 }
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1041 poll_struct.fd = filedes[0];
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1042 close(filedes[0]);
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1043 close(filedes[1]);
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1044 poll_test = poll(&poll_struct, 1, 0);
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1045 if (poll_test < 0) {
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1046 return 1;
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1047 } else if (poll_test == 0 && poll_struct.revents != POLLNVAL) {
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1048 return 1;
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1049 }
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1050 return 0;
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1051 }
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1052 #endif /* __APPLE__ */
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1053
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1054 #endif /* HAVE_POLL */
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1055
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1056 #ifdef HAVE_EPOLL
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1057 /* **************************************************************************
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1058 * epoll interface for Linux 2.6
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1059 *
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1060 * Written by Christian Heimes
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1061 * Inspired by Twisted's _epoll.pyx and select.poll()
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1062 */
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1063
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1064 #ifdef HAVE_SYS_EPOLL_H
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1065 #include <sys/epoll.h>
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1066 #endif
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1067
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1068 typedef struct {
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1069 PyObject_HEAD
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1070 SOCKET epfd; /* epoll control file descriptor */
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1071 } pyEpoll_Object;
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1072
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1073 static PyTypeObject pyEpoll_Type;
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1074 #define pyepoll_CHECK(op) (PyObject_TypeCheck((op), &pyEpoll_Type))
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1075
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1076 static PyObject *
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1077 pyepoll_err_closed(void)
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1078 {
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1079 PyErr_SetString(PyExc_ValueError, "I/O operation on closed epoll fd");
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1080 return NULL;
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1081 }
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1082
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1083 static int
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1084 pyepoll_internal_close(pyEpoll_Object *self)
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1085 {
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1086 int save_errno = 0;
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1087 if (self->epfd >= 0) {
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1088 int epfd = self->epfd;
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1089 self->epfd = -1;
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1090 Py_BEGIN_ALLOW_THREADS
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1091 if (close(epfd) < 0)
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1092 save_errno = errno;
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1093 Py_END_ALLOW_THREADS
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1094 }
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1095 return save_errno;
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1096 }
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1097
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1098 static PyObject *
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1099 newPyEpoll_Object(PyTypeObject *type, int sizehint, int flags, SOCKET fd)
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1100 {
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1101 pyEpoll_Object *self;
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1102
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1103 assert(type != NULL && type->tp_alloc != NULL);
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1104 self = (pyEpoll_Object *) type->tp_alloc(type, 0);
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1105 if (self == NULL)
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1106 return NULL;
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1107
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1108 if (fd == -1) {
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1109 Py_BEGIN_ALLOW_THREADS
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1110 #ifdef HAVE_EPOLL_CREATE1
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1111 if (flags)
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1112 self->epfd = epoll_create1(flags);
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1113 else
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1114 #endif
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1115 self->epfd = epoll_create(sizehint);
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1116 Py_END_ALLOW_THREADS
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1117 }
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1118 else {
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1119 self->epfd = fd;
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1120 }
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1121 if (self->epfd < 0) {
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1122 Py_DECREF(self);
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1123 PyErr_SetFromErrno(PyExc_OSError);
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1124 return NULL;
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1125 }
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1126 return (PyObject *)self;
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1127 }
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1128
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1129
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1130 static PyObject *
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1131 pyepoll_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
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1132 {
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1133 int flags = 0, sizehint = FD_SETSIZE - 1;
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1134 static char *kwlist[] = {"sizehint", "flags", NULL};
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1135
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1136 if (!PyArg_ParseTupleAndKeywords(args, kwds, "|ii:epoll", kwlist,
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1137 &sizehint, &flags))
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1138 return NULL;
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1139 if (sizehint < 0) {
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1140 PyErr_SetString(PyExc_ValueError, "negative sizehint");
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1141 return NULL;
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1142 }
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1143
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1144 return newPyEpoll_Object(type, sizehint, flags, -1);
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1145 }
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1146
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1147
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1148 static void
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1149 pyepoll_dealloc(pyEpoll_Object *self)
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1150 {
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1151 (void)pyepoll_internal_close(self);
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1152 Py_TYPE(self)->tp_free(self);
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1153 }
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1154
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1155 static PyObject*
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1156 pyepoll_close(pyEpoll_Object *self)
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1157 {
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1158 errno = pyepoll_internal_close(self);
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1159 if (errno < 0) {
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1160 PyErr_SetFromErrno(PyExc_OSError);
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1161 return NULL;
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1162 }
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1163 Py_RETURN_NONE;
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1164 }
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1165
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1166 PyDoc_STRVAR(pyepoll_close_doc,
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1167 "close() -> None\n\
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1168 \n\
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1169 Close the epoll control file descriptor. Further operations on the epoll\n\
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1170 object will raise an exception.");
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1171
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1172 static PyObject*
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1173 pyepoll_get_closed(pyEpoll_Object *self)
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1174 {
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1175 if (self->epfd < 0)
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1176 Py_RETURN_TRUE;
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1177 else
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1178 Py_RETURN_FALSE;
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1179 }
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1180
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1181 static PyObject*
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1182 pyepoll_fileno(pyEpoll_Object *self)
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1183 {
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1184 if (self->epfd < 0)
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1185 return pyepoll_err_closed();
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1186 return PyLong_FromLong(self->epfd);
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1187 }
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1188
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1189 PyDoc_STRVAR(pyepoll_fileno_doc,
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1190 "fileno() -> int\n\
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1191 \n\
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1192 Return the epoll control file descriptor.");
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1193
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1194 static PyObject*
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1195 pyepoll_fromfd(PyObject *cls, PyObject *args)
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1196 {
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1197 SOCKET fd;
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1198
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1199 if (!PyArg_ParseTuple(args, "i:fromfd", &fd))
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1200 return NULL;
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1201
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1202 return newPyEpoll_Object((PyTypeObject*)cls, FD_SETSIZE - 1, 0, fd);
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1203 }
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1204
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1205 PyDoc_STRVAR(pyepoll_fromfd_doc,
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1206 "fromfd(fd) -> epoll\n\
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1207 \n\
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1208 Create an epoll object from a given control fd.");
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1209
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1210 static PyObject *
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1211 pyepoll_internal_ctl(int epfd, int op, PyObject *pfd, unsigned int events)
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1212 {
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1213 struct epoll_event ev;
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1214 int result;
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1215 int fd;
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1216
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1217 if (epfd < 0)
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1218 return pyepoll_err_closed();
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1219
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1220 fd = PyObject_AsFileDescriptor(pfd);
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1221 if (fd == -1) {
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1222 return NULL;
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1223 }
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1224
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1225 switch(op) {
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1226 case EPOLL_CTL_ADD:
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1227 case EPOLL_CTL_MOD:
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1228 ev.events = events;
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1229 ev.data.fd = fd;
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1230 Py_BEGIN_ALLOW_THREADS
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1231 result = epoll_ctl(epfd, op, fd, &ev);
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1232 Py_END_ALLOW_THREADS
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1233 break;
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1234 case EPOLL_CTL_DEL:
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1235 /* In kernel versions before 2.6.9, the EPOLL_CTL_DEL
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1236 * operation required a non-NULL pointer in event, even
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1237 * though this argument is ignored. */
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1238 Py_BEGIN_ALLOW_THREADS
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1239 result = epoll_ctl(epfd, op, fd, &ev);
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1240 if (errno == EBADF) {
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1241 /* fd already closed */
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1242 result = 0;
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1243 errno = 0;
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1244 }
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1245 Py_END_ALLOW_THREADS
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1246 break;
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1247 default:
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1248 result = -1;
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1249 errno = EINVAL;
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1250 }
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1251
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1252 if (result < 0) {
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1253 PyErr_SetFromErrno(PyExc_OSError);
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1254 return NULL;
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1255 }
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1256 Py_RETURN_NONE;
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1257 }
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1258
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1259 static PyObject *
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1260 pyepoll_register(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
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1261 {
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1262 PyObject *pfd;
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1263 unsigned int events = EPOLLIN | EPOLLOUT | EPOLLPRI;
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1264 static char *kwlist[] = {"fd", "eventmask", NULL};
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1265
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1266 if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|I:register", kwlist,
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1267 &pfd, &events)) {
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1268 return NULL;
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1269 }
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1270
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1271 return pyepoll_internal_ctl(self->epfd, EPOLL_CTL_ADD, pfd, events);
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1272 }
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1273
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1274 PyDoc_STRVAR(pyepoll_register_doc,
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1275 "register(fd[, eventmask]) -> None\n\
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1276 \n\
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1277 Registers a new fd or raises an OSError if the fd is already registered.\n\
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1278 fd is the target file descriptor of the operation.\n\
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1279 events is a bit set composed of the various EPOLL constants; the default\n\
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1280 is EPOLL_IN | EPOLL_OUT | EPOLL_PRI.\n\
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1281 \n\
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1282 The epoll interface supports all file descriptors that support poll.");
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1283
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1284 static PyObject *
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1285 pyepoll_modify(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
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1286 {
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1287 PyObject *pfd;
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1288 unsigned int events;
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1289 static char *kwlist[] = {"fd", "eventmask", NULL};
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1290
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1291 if (!PyArg_ParseTupleAndKeywords(args, kwds, "OI:modify", kwlist,
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1292 &pfd, &events)) {
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1293 return NULL;
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1294 }
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1295
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1296 return pyepoll_internal_ctl(self->epfd, EPOLL_CTL_MOD, pfd, events);
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1297 }
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1298
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1299 PyDoc_STRVAR(pyepoll_modify_doc,
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1300 "modify(fd, eventmask) -> None\n\
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1301 \n\
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1302 fd is the target file descriptor of the operation\n\
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1303 events is a bit set composed of the various EPOLL constants");
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1304
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1305 static PyObject *
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1306 pyepoll_unregister(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
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1307 {
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1308 PyObject *pfd;
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1309 static char *kwlist[] = {"fd", NULL};
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1310
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1311 if (!PyArg_ParseTupleAndKeywords(args, kwds, "O:unregister", kwlist,
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1312 &pfd)) {
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1313 return NULL;
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1314 }
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1315
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1316 return pyepoll_internal_ctl(self->epfd, EPOLL_CTL_DEL, pfd, 0);
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1317 }
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1318
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1319 PyDoc_STRVAR(pyepoll_unregister_doc,
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1320 "unregister(fd) -> None\n\
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1321 \n\
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1322 fd is the target file descriptor of the operation.");
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1323
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1324 static PyObject *
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1325 pyepoll_poll(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
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1326 {
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1327 double dtimeout = -1.;
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1328 int timeout;
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1329 int maxevents = -1;
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1330 int nfds, i;
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1331 PyObject *elist = NULL, *etuple = NULL;
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1332 struct epoll_event *evs = NULL;
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1333 static char *kwlist[] = {"timeout", "maxevents", NULL};
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1334
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1335 if (self->epfd < 0)
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1336 return pyepoll_err_closed();
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1337
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1338 if (!PyArg_ParseTupleAndKeywords(args, kwds, "|di:poll", kwlist,
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1339 &dtimeout, &maxevents)) {
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1340 return NULL;
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1341 }
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1342
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1343 if (dtimeout < 0) {
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1344 timeout = -1;
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1345 }
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1346 else if (dtimeout * 1000.0 > INT_MAX) {
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1347 PyErr_SetString(PyExc_OverflowError,
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1348 "timeout is too large");
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1349 return NULL;
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1350 }
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1351 else {
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1352 timeout = (int)(dtimeout * 1000.0);
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1353 }
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1354
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1355 if (maxevents == -1) {
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1356 maxevents = FD_SETSIZE-1;
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1357 }
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1358 else if (maxevents < 1) {
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1359 PyErr_Format(PyExc_ValueError,
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1360 "maxevents must be greater than 0, got %d",
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1361 maxevents);
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1362 return NULL;
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1363 }
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1364
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1365 evs = PyMem_New(struct epoll_event, maxevents);
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1366 if (evs == NULL) {
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1367 Py_DECREF(self);
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1368 PyErr_NoMemory();
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1369 return NULL;
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1370 }
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1371
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1372 Py_BEGIN_ALLOW_THREADS
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1373 nfds = epoll_wait(self->epfd, evs, maxevents, timeout);
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1374 Py_END_ALLOW_THREADS
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1375 if (nfds < 0) {
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1376 PyErr_SetFromErrno(PyExc_OSError);
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1377 goto error;
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1378 }
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1379
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1380 elist = PyList_New(nfds);
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1381 if (elist == NULL) {
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1382 goto error;
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1383 }
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1384
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1385 for (i = 0; i < nfds; i++) {
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1386 etuple = Py_BuildValue("iI", evs[i].data.fd, evs[i].events);
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1387 if (etuple == NULL) {
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1388 Py_CLEAR(elist);
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1389 goto error;
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1390 }
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1391 PyList_SET_ITEM(elist, i, etuple);
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1392 }
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1393
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1394 error:
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1395 PyMem_Free(evs);
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1396 return elist;
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1397 }
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1398
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1399 PyDoc_STRVAR(pyepoll_poll_doc,
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1400 "poll([timeout=-1[, maxevents=-1]]) -> [(fd, events), (...)]\n\
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1401 \n\
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1402 Wait for events on the epoll file descriptor for a maximum time of timeout\n\
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1403 in seconds (as float). -1 makes poll wait indefinitely.\n\
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1404 Up to maxevents are returned to the caller.");
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1405
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1406 static PyMethodDef pyepoll_methods[] = {
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1407 {"fromfd", (PyCFunction)pyepoll_fromfd,
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1408 METH_VARARGS | METH_CLASS, pyepoll_fromfd_doc},
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1409 {"close", (PyCFunction)pyepoll_close, METH_NOARGS,
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1410 pyepoll_close_doc},
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1411 {"fileno", (PyCFunction)pyepoll_fileno, METH_NOARGS,
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1412 pyepoll_fileno_doc},
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1413 {"modify", (PyCFunction)pyepoll_modify,
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1414 METH_VARARGS | METH_KEYWORDS, pyepoll_modify_doc},
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1415 {"register", (PyCFunction)pyepoll_register,
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1416 METH_VARARGS | METH_KEYWORDS, pyepoll_register_doc},
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1417 {"unregister", (PyCFunction)pyepoll_unregister,
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1418 METH_VARARGS | METH_KEYWORDS, pyepoll_unregister_doc},
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1419 {"poll", (PyCFunction)pyepoll_poll,
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1420 METH_VARARGS | METH_KEYWORDS, pyepoll_poll_doc},
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1421 {NULL, NULL},
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1422 };
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1423
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1424 static PyGetSetDef pyepoll_getsetlist[] = {
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1425 {"closed", (getter)pyepoll_get_closed, NULL,
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1426 "True if the epoll handler is closed"},
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1427 {0},
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1428 };
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1429
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1430 PyDoc_STRVAR(pyepoll_doc,
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1431 "select.epoll(sizehint=-1, flags=0)\n\
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1432 \n\
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1433 Returns an epolling object\n\
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1434 \n\
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1435 sizehint must be a positive integer or -1 for the default size. The\n\
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1436 sizehint is used to optimize internal data structures. It doesn't limit\n\
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1437 the maximum number of monitored events.");
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1438
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1439 static PyTypeObject pyEpoll_Type = {
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1440 PyVarObject_HEAD_INIT(NULL, 0)
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1441 "select.epoll", /* tp_name */
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1442 sizeof(pyEpoll_Object), /* tp_basicsize */
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1443 0, /* tp_itemsize */
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1444 (destructor)pyepoll_dealloc, /* tp_dealloc */
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1445 0, /* tp_print */
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1446 0, /* tp_getattr */
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1447 0, /* tp_setattr */
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1448 0, /* tp_reserved */
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1449 0, /* tp_repr */
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1450 0, /* tp_as_number */
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1451 0, /* tp_as_sequence */
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1452 0, /* tp_as_mapping */
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1453 0, /* tp_hash */
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1454 0, /* tp_call */
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1455 0, /* tp_str */
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1456 PyObject_GenericGetAttr, /* tp_getattro */
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1457 0, /* tp_setattro */
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1458 0, /* tp_as_buffer */
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1459 Py_TPFLAGS_DEFAULT, /* tp_flags */
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1460 pyepoll_doc, /* tp_doc */
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1461 0, /* tp_traverse */
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1462 0, /* tp_clear */
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1463 0, /* tp_richcompare */
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1464 0, /* tp_weaklistoffset */
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1465 0, /* tp_iter */
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1466 0, /* tp_iternext */
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1467 pyepoll_methods, /* tp_methods */
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1468 0, /* tp_members */
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1469 pyepoll_getsetlist, /* tp_getset */
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1470 0, /* tp_base */
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1471 0, /* tp_dict */
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1472 0, /* tp_descr_get */
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1473 0, /* tp_descr_set */
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1474 0, /* tp_dictoffset */
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1475 0, /* tp_init */
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1476 0, /* tp_alloc */
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1477 pyepoll_new, /* tp_new */
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1478 0, /* tp_free */
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1479 };
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1480
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1481 #endif /* HAVE_EPOLL */
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1482
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1483 #ifdef HAVE_KQUEUE
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1484 /* **************************************************************************
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1485 * kqueue interface for BSD
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1486 *
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1487 * Copyright (c) 2000 Doug White, 2006 James Knight, 2007 Christian Heimes
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1488 * All rights reserved.
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1489 *
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1490 * Redistribution and use in source and binary forms, with or without
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1491 * modification, are permitted provided that the following conditions
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1492 * are met:
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1493 * 1. Redistributions of source code must retain the above copyright
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1494 * notice, this list of conditions and the following disclaimer.
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1495 * 2. Redistributions in binary form must reproduce the above copyright
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1496 * notice, this list of conditions and the following disclaimer in the
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1497 * documentation and/or other materials provided with the distribution.
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1498 *
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1499 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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1500 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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1501 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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1502 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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1503 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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1504 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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1505 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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1506 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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1507 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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1508 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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1509 * SUCH DAMAGE.
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1510 */
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1511
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1512 #ifdef HAVE_SYS_EVENT_H
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1513 #include <sys/event.h>
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1514 #endif
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1515
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1516 PyDoc_STRVAR(kqueue_event_doc,
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1517 "kevent(ident, filter=KQ_FILTER_READ, flags=KQ_EV_ADD, fflags=0, data=0, udata=0)\n\
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1518 \n\
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1519 This object is the equivalent of the struct kevent for the C API.\n\
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1520 \n\
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1521 See the kqueue manpage for more detailed information about the meaning\n\
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1522 of the arguments.\n\
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1523 \n\
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1524 One minor note: while you might hope that udata could store a\n\
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1525 reference to a python object, it cannot, because it is impossible to\n\
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1526 keep a proper reference count of the object once it's passed into the\n\
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1527 kernel. Therefore, I have restricted it to only storing an integer. I\n\
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1528 recommend ignoring it and simply using the 'ident' field to key off\n\
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1529 of. You could also set up a dictionary on the python side to store a\n\
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1530 udata->object mapping.");
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1531
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1532 typedef struct {
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1533 PyObject_HEAD
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1534 struct kevent e;
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1535 } kqueue_event_Object;
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1536
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1537 static PyTypeObject kqueue_event_Type;
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1538
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1539 #define kqueue_event_Check(op) (PyObject_TypeCheck((op), &kqueue_event_Type))
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1540
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1541 typedef struct {
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1542 PyObject_HEAD
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1543 SOCKET kqfd; /* kqueue control fd */
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1544 } kqueue_queue_Object;
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1545
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1546 static PyTypeObject kqueue_queue_Type;
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1547
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1548 #define kqueue_queue_Check(op) (PyObject_TypeCheck((op), &kqueue_queue_Type))
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1549
57113
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1550 #if (SIZEOF_UINTPTR_T != SIZEOF_VOID_P)
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1551 # error uintptr_t does not match void *!
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1552 #elif (SIZEOF_UINTPTR_T == SIZEOF_LONG_LONG)
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1553 # define T_UINTPTRT T_ULONGLONG
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1554 # define T_INTPTRT T_LONGLONG
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1555 # define PyLong_AsUintptr_t PyLong_AsUnsignedLongLong
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1556 # define UINTPTRT_FMT_UNIT "K"
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1557 # define INTPTRT_FMT_UNIT "L"
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1558 #elif (SIZEOF_UINTPTR_T == SIZEOF_LONG)
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1559 # define T_UINTPTRT T_ULONG
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1560 # define T_INTPTRT T_LONG
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1561 # define PyLong_AsUintptr_t PyLong_AsUnsignedLong
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1562 # define UINTPTRT_FMT_UNIT "k"
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1563 # define INTPTRT_FMT_UNIT "l"
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1564 #elif (SIZEOF_UINTPTR_T == SIZEOF_INT)
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1565 # define T_UINTPTRT T_UINT
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1566 # define T_INTPTRT T_INT
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1567 # define PyLong_AsUintptr_t PyLong_AsUnsignedLong
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1568 # define UINTPTRT_FMT_UNIT "I"
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1569 # define INTPTRT_FMT_UNIT "i"
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1570 #else
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1571 # error uintptr_t does not match int, long, or long long!
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1572 #endif
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1573
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1574 /*
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1575 * kevent is not standard and its members vary across BSDs.
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1576 */
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1577 #if !defined(__OpenBSD__)
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1578 # define IDENT_TYPE T_UINTPTRT
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1579 # define IDENT_CAST Py_intptr_t
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1580 # define DATA_TYPE T_INTPTRT
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1581 # define DATA_FMT_UNIT INTPTRT_FMT_UNIT
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1582 # define IDENT_AsType PyLong_AsUintptr_t
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1583 #else
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1584 # define IDENT_TYPE T_UINT
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1585 # define IDENT_CAST int
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1586 # define DATA_TYPE T_INT
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1587 # define DATA_FMT_UNIT "i"
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1588 # define IDENT_AsType PyLong_AsUnsignedLong
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1589 #endif
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1590
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1591 /* Unfortunately, we can't store python objects in udata, because
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1592 * kevents in the kernel can be removed without warning, which would
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1593 * forever lose the refcount on the object stored with it.
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1594 */
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1595
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1596 #define KQ_OFF(x) offsetof(kqueue_event_Object, x)
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1597 static struct PyMemberDef kqueue_event_members[] = {
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1598 {"ident", IDENT_TYPE, KQ_OFF(e.ident)},
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1599 {"filter", T_SHORT, KQ_OFF(e.filter)},
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1600 {"flags", T_USHORT, KQ_OFF(e.flags)},
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1601 {"fflags", T_UINT, KQ_OFF(e.fflags)},
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1602 {"data", DATA_TYPE, KQ_OFF(e.data)},
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1603 {"udata", T_UINTPTRT, KQ_OFF(e.udata)},
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1604 {NULL} /* Sentinel */
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1605 };
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1606 #undef KQ_OFF
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1607
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1608 static PyObject *
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1609
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1610 kqueue_event_repr(kqueue_event_Object *s)
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1611 {
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1612 char buf[1024];
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1613 PyOS_snprintf(
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1614 buf, sizeof(buf),
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1615 "<select.kevent ident=%zu filter=%d flags=0x%x fflags=0x%x "
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1616 "data=0x%zd udata=%p>",
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1617 (size_t)(s->e.ident), s->e.filter, s->e.flags,
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1618 s->e.fflags, (Py_ssize_t)(s->e.data), s->e.udata);
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1619 return PyUnicode_FromString(buf);
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1620 }
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1621
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1622 static int
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1623 kqueue_event_init(kqueue_event_Object *self, PyObject *args, PyObject *kwds)
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1624 {
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1625 PyObject *pfd;
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1626 static char *kwlist[] = {"ident", "filter", "flags", "fflags",
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1627 "data", "udata", NULL};
83652
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Charles-Francois Natali <cf.natali@gmail.com>
parents: 81593
diff changeset
1628 static char *fmt = "O|hhi" DATA_FMT_UNIT UINTPTRT_FMT_UNIT ":kevent";
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1629
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1630 EV_SET(&(self->e), 0, EVFILT_READ, EV_ADD, 0, 0, 0); /* defaults */
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1631
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1632 if (!PyArg_ParseTupleAndKeywords(args, kwds, fmt, kwlist,
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1633 &pfd, &(self->e.filter), &(self->e.flags),
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1634 &(self->e.fflags), &(self->e.data), &(self->e.udata))) {
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1635 return -1;
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1636 }
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1637
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1638 if (PyLong_Check(pfd)
f6c50b437de6 Issue #12181: select module: Fix struct kevent definition on OpenBSD 64-bit
Charles-Francois Natali <cf.natali@gmail.com>
parents: 81593
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1639 #if IDENT_TYPE == T_UINT
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Charles-Francois Natali <cf.natali@gmail.com>
parents: 81593
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1640 && PyLong_AsUnsignedLong(pfd) <= UINT_MAX
f6c50b437de6 Issue #12181: select module: Fix struct kevent definition on OpenBSD 64-bit
Charles-Francois Natali <cf.natali@gmail.com>
parents: 81593
diff changeset
1641 #endif
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Charles-Francois Natali <cf.natali@gmail.com>
parents: 81593
diff changeset
1642 ) {
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1643 self->e.ident = IDENT_AsType(pfd);
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1644 }
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1645 else {
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1646 self->e.ident = PyObject_AsFileDescriptor(pfd);
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1647 }
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1648 if (PyErr_Occurred()) {
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1649 return -1;
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1650 }
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1651 return 0;
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1652 }
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1653
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1654 static PyObject *
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1655 kqueue_event_richcompare(kqueue_event_Object *s, kqueue_event_Object *o,
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1656 int op)
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1657 {
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1658 Py_intptr_t result = 0;
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1659
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1660 if (!kqueue_event_Check(o)) {
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1661 if (op == Py_EQ || op == Py_NE) {
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1662 PyObject *res = op == Py_EQ ? Py_False : Py_True;
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1663 Py_INCREF(res);
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1664 return res;
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1665 }
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1666 PyErr_Format(PyExc_TypeError,
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1667 "can't compare %.200s to %.200s",
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1668 Py_TYPE(s)->tp_name, Py_TYPE(o)->tp_name);
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1669 return NULL;
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1670 }
83652
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Charles-Francois Natali <cf.natali@gmail.com>
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1671 if (((result = (IDENT_CAST)(s->e.ident - o->e.ident)) == 0) &&
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1672 ((result = s->e.filter - o->e.filter) == 0) &&
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diff changeset
1673 ((result = s->e.flags - o->e.flags) == 0) &&
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Charles-Francois Natali <cf.natali@gmail.com>
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diff changeset
1674 ((result = (int)(s->e.fflags - o->e.fflags)) == 0) &&
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1675 ((result = s->e.data - o->e.data) == 0) &&
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diff changeset
1676 ((result = s->e.udata - o->e.udata) == 0)
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diff changeset
1677 ) {
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1678 result = 0;
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1679 }
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1680
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1681 switch (op) {
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1682 case Py_EQ:
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1683 result = (result == 0);
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1684 break;
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1685 case Py_NE:
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1686 result = (result != 0);
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1687 break;
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1688 case Py_LE:
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1689 result = (result <= 0);
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1690 break;
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1691 case Py_GE:
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1692 result = (result >= 0);
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1693 break;
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1694 case Py_LT:
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1695 result = (result < 0);
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1696 break;
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1697 case Py_GT:
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1698 result = (result > 0);
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1699 break;
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1700 }
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1701 return PyBool_FromLong((long)result);
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1702 }
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1703
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1704 static PyTypeObject kqueue_event_Type = {
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1705 PyVarObject_HEAD_INIT(NULL, 0)
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1706 "select.kevent", /* tp_name */
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1707 sizeof(kqueue_event_Object), /* tp_basicsize */
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1708 0, /* tp_itemsize */
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1709 0, /* tp_dealloc */
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1710 0, /* tp_print */
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1711 0, /* tp_getattr */
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1712 0, /* tp_setattr */
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1713 0, /* tp_reserved */
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1714 (reprfunc)kqueue_event_repr, /* tp_repr */
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1715 0, /* tp_as_number */
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1716 0, /* tp_as_sequence */
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1717 0, /* tp_as_mapping */
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1718 0, /* tp_hash */
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1719 0, /* tp_call */
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1720 0, /* tp_str */
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1721 0, /* tp_getattro */
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1722 0, /* tp_setattro */
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1723 0, /* tp_as_buffer */
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1724 Py_TPFLAGS_DEFAULT, /* tp_flags */
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1725 kqueue_event_doc, /* tp_doc */
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1726 0, /* tp_traverse */
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1727 0, /* tp_clear */
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1728 (richcmpfunc)kqueue_event_richcompare, /* tp_richcompare */
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1729 0, /* tp_weaklistoffset */
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1730 0, /* tp_iter */
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1731 0, /* tp_iternext */
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1732 0, /* tp_methods */
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1733 kqueue_event_members, /* tp_members */
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1734 0, /* tp_getset */
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1735 0, /* tp_base */
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1736 0, /* tp_dict */
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1737 0, /* tp_descr_get */
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1738 0, /* tp_descr_set */
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1739 0, /* tp_dictoffset */
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1740 (initproc)kqueue_event_init, /* tp_init */
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1741 0, /* tp_alloc */
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1742 0, /* tp_new */
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1743 0, /* tp_free */
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1744 };
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1745
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1746 static PyObject *
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1747 kqueue_queue_err_closed(void)
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1748 {
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1749 PyErr_SetString(PyExc_ValueError, "I/O operation on closed kqueue fd");
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1750 return NULL;
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1751 }
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1752
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1753 static int
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1754 kqueue_queue_internal_close(kqueue_queue_Object *self)
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1755 {
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1756 int save_errno = 0;
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1757 if (self->kqfd >= 0) {
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1758 int kqfd = self->kqfd;
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1759 self->kqfd = -1;
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1760 Py_BEGIN_ALLOW_THREADS
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1761 if (close(kqfd) < 0)
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1762 save_errno = errno;
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1763 Py_END_ALLOW_THREADS
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1764 }
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1765 return save_errno;
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1766 }
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1767
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1768 static PyObject *
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1769 newKqueue_Object(PyTypeObject *type, SOCKET fd)
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1770 {
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1771 kqueue_queue_Object *self;
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1772 assert(type != NULL && type->tp_alloc != NULL);
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1773 self = (kqueue_queue_Object *) type->tp_alloc(type, 0);
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1774 if (self == NULL) {
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1775 return NULL;
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1776 }
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1777
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1778 if (fd == -1) {
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1779 Py_BEGIN_ALLOW_THREADS
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1780 self->kqfd = kqueue();
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1781 Py_END_ALLOW_THREADS
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1782 }
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1783 else {
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1784 self->kqfd = fd;
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1785 }
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1786 if (self->kqfd < 0) {
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1787 Py_DECREF(self);
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1788 PyErr_SetFromErrno(PyExc_OSError);
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1789 return NULL;
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1790 }
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1791 return (PyObject *)self;
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1792 }
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1793
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1794 static PyObject *
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1795 kqueue_queue_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
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1796 {
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1797
61467
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1798 if ((args != NULL && PyObject_Size(args)) ||
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1799 (kwds != NULL && PyObject_Size(kwds))) {
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1800 PyErr_SetString(PyExc_ValueError,
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1801 "select.kqueue doesn't accept arguments");
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1802 return NULL;
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1803 }
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1804
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1805 return newKqueue_Object(type, -1);
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1806 }
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1807
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1808 static void
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1809 kqueue_queue_dealloc(kqueue_queue_Object *self)
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1810 {
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1811 kqueue_queue_internal_close(self);
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1812 Py_TYPE(self)->tp_free(self);
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1813 }
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1814
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1815 static PyObject*
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1816 kqueue_queue_close(kqueue_queue_Object *self)
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1817 {
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1818 errno = kqueue_queue_internal_close(self);
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1819 if (errno < 0) {
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1820 PyErr_SetFromErrno(PyExc_OSError);
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1821 return NULL;
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1822 }
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1823 Py_RETURN_NONE;
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1824 }
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1825
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1826 PyDoc_STRVAR(kqueue_queue_close_doc,
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1827 "close() -> None\n\
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1828 \n\
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1829 Close the kqueue control file descriptor. Further operations on the kqueue\n\
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1830 object will raise an exception.");
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1831
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1832 static PyObject*
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1833 kqueue_queue_get_closed(kqueue_queue_Object *self)
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1834 {
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1835 if (self->kqfd < 0)
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1836 Py_RETURN_TRUE;
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1837 else
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1838 Py_RETURN_FALSE;
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1839 }
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diff changeset
1840
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diff changeset
1841 static PyObject*
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diff changeset
1842 kqueue_queue_fileno(kqueue_queue_Object *self)
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diff changeset
1843 {
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1844 if (self->kqfd < 0)
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1845 return kqueue_queue_err_closed();
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diff changeset
1846 return PyLong_FromLong(self->kqfd);
45996
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diff changeset
1847 }
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diff changeset
1848
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parents: 44469
diff changeset
1849 PyDoc_STRVAR(kqueue_queue_fileno_doc,
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Christian Heimes <christian@cheimes.de>
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diff changeset
1850 "fileno() -> int\n\
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parents: 44469
diff changeset
1851 \n\
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parents: 44469
diff changeset
1852 Return the kqueue control file descriptor.");
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diff changeset
1853
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parents: 44469
diff changeset
1854 static PyObject*
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diff changeset
1855 kqueue_queue_fromfd(PyObject *cls, PyObject *args)
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diff changeset
1856 {
61467
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diff changeset
1857 SOCKET fd;
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diff changeset
1858
61467
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1859 if (!PyArg_ParseTuple(args, "i:fromfd", &fd))
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diff changeset
1860 return NULL;
45996
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diff changeset
1861
61467
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1862 return newKqueue_Object((PyTypeObject*)cls, fd);
45996
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diff changeset
1863 }
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diff changeset
1864
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diff changeset
1865 PyDoc_STRVAR(kqueue_queue_fromfd_doc,
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parents: 44469
diff changeset
1866 "fromfd(fd) -> kqueue\n\
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parents: 44469
diff changeset
1867 \n\
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parents: 44469
diff changeset
1868 Create a kqueue object from a given control fd.");
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diff changeset
1869
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diff changeset
1870 static PyObject *
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diff changeset
1871 kqueue_queue_control(kqueue_queue_Object *self, PyObject *args)
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diff changeset
1872 {
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1873 int nevents = 0;
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1874 int gotevents = 0;
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1875 int nchanges = 0;
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diff changeset
1876 int i = 0;
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1877 PyObject *otimeout = NULL;
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diff changeset
1878 PyObject *ch = NULL;
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diff changeset
1879 PyObject *it = NULL, *ei = NULL;
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diff changeset
1880 PyObject *result = NULL;
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diff changeset
1881 struct kevent *evl = NULL;
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diff changeset
1882 struct kevent *chl = NULL;
75592
1eaf6e899f02 Issue #14180: Fix select.select() compilation on BSD and a typo in kqueue_queue_control()
Victor Stinner <vstinner@wyplay.com>
parents: 75590
diff changeset
1883 struct timespec timeout;
61467
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1884 struct timespec *ptimeoutspec;
45996
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1885
61467
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1886 if (self->kqfd < 0)
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1887 return kqueue_queue_err_closed();
45996
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1888
61467
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1889 if (!PyArg_ParseTuple(args, "Oi|O:control", &ch, &nevents, &otimeout))
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1890 return NULL;
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diff changeset
1891
61467
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1892 if (nevents < 0) {
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1893 PyErr_Format(PyExc_ValueError,
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diff changeset
1894 "Length of eventlist must be 0 or positive, got %d",
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diff changeset
1895 nevents);
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diff changeset
1896 return NULL;
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diff changeset
1897 }
45996
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diff changeset
1898
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1899 if (otimeout == Py_None || otimeout == NULL) {
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1900 ptimeoutspec = NULL;
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1901 }
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diff changeset
1902 else if (PyNumber_Check(otimeout)) {
75590
1e9cc1a03365 Close #14180: Factorize code to convert a number of seconds to time_t, timeval or timespec
Victor Stinner <vstinner@wyplay.com>
parents: 74188
diff changeset
1903 if (_PyTime_ObjectToTimespec(otimeout,
1e9cc1a03365 Close #14180: Factorize code to convert a number of seconds to time_t, timeval or timespec
Victor Stinner <vstinner@wyplay.com>
parents: 74188
diff changeset
1904 &timeout.tv_sec, &timeout.tv_nsec) == -1)
61467
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1905 return NULL;
75590
1e9cc1a03365 Close #14180: Factorize code to convert a number of seconds to time_t, timeval or timespec
Victor Stinner <vstinner@wyplay.com>
parents: 74188
diff changeset
1906
1e9cc1a03365 Close #14180: Factorize code to convert a number of seconds to time_t, timeval or timespec
Victor Stinner <vstinner@wyplay.com>
parents: 74188
diff changeset
1907 if (timeout.tv_sec < 0) {
61467
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1908 PyErr_SetString(PyExc_ValueError,
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diff changeset
1909 "timeout must be positive or None");
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1910 return NULL;
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1911 }
75593
cb1c877a27f2 Issue #14180: Fix another typo in kqueue_queue_control()
Victor Stinner <vstinner@wyplay.com>
parents: 75592
diff changeset
1912 ptimeoutspec = &timeout;
61467
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1913 }
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1914 else {
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1915 PyErr_Format(PyExc_TypeError,
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diff changeset
1916 "timeout argument must be an number "
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diff changeset
1917 "or None, got %.200s",
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1918 Py_TYPE(otimeout)->tp_name);
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1919 return NULL;
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1920 }
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1921
61466
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1922 if (ch != NULL && ch != Py_None) {
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1923 it = PyObject_GetIter(ch);
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1924 if (it == NULL) {
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1925 PyErr_SetString(PyExc_TypeError,
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diff changeset
1926 "changelist is not iterable");
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1927 return NULL;
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1928 }
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1929 nchanges = PyObject_Size(ch);
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1930 if (nchanges < 0) {
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1931 goto error;
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1932 }
59616
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1933
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1934 chl = PyMem_New(struct kevent, nchanges);
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1935 if (chl == NULL) {
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1936 PyErr_NoMemory();
61466
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1937 goto error;
61467
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1938 }
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1939 i = 0;
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1940 while ((ei = PyIter_Next(it)) != NULL) {
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1941 if (!kqueue_event_Check(ei)) {
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1942 Py_DECREF(ei);
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1943 PyErr_SetString(PyExc_TypeError,
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1944 "changelist must be an iterable of "
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diff changeset
1945 "select.kevent objects");
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1946 goto error;
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1947 } else {
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1948 chl[i++] = ((kqueue_event_Object *)ei)->e;
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1949 }
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1950 Py_DECREF(ei);
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1951 }
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1952 }
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1953 Py_CLEAR(it);
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1954
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1955 /* event list */
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1956 if (nevents) {
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1957 evl = PyMem_New(struct kevent, nevents);
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1958 if (evl == NULL) {
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1959 PyErr_NoMemory();
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1960 goto error;
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1961 }
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1962 }
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1963
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1964 Py_BEGIN_ALLOW_THREADS
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1965 gotevents = kevent(self->kqfd, chl, nchanges,
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1966 evl, nevents, ptimeoutspec);
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1967 Py_END_ALLOW_THREADS
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1968
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1969 if (gotevents == -1) {
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1970 PyErr_SetFromErrno(PyExc_OSError);
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1971 goto error;
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1972 }
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1973
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1974 result = PyList_New(gotevents);
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1975 if (result == NULL) {
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1976 goto error;
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1977 }
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1978
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1979 for (i = 0; i < gotevents; i++) {
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1980 kqueue_event_Object *ch;
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1981
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1982 ch = PyObject_New(kqueue_event_Object, &kqueue_event_Type);
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1983 if (ch == NULL) {
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1984 goto error;
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1985 }
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1986 ch->e = evl[i];
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1987 PyList_SET_ITEM(result, i, (PyObject *)ch);
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1988 }
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1989 PyMem_Free(chl);
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1990 PyMem_Free(evl);
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1991 return result;
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1992
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1993 error:
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1994 PyMem_Free(chl);
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1995 PyMem_Free(evl);
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1996 Py_XDECREF(result);
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1997 Py_XDECREF(it);
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1998 return NULL;
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1999 }
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2000
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2001 PyDoc_STRVAR(kqueue_queue_control_doc,
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2002 "control(changelist, max_events[, timeout=None]) -> eventlist\n\
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2003 \n\
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2004 Calls the kernel kevent function.\n\
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2005 - changelist must be a list of kevent objects describing the changes\n\
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2006 to be made to the kernel's watch list or None.\n\
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2007 - max_events lets you specify the maximum number of events that the\n\
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2008 kernel will return.\n\
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2009 - timeout is the maximum time to wait in seconds, or else None,\n\
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2010 to wait forever. timeout accepts floats for smaller timeouts, too.");
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2011
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2012
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2013 static PyMethodDef kqueue_queue_methods[] = {
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2014 {"fromfd", (PyCFunction)kqueue_queue_fromfd,
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2015 METH_VARARGS | METH_CLASS, kqueue_queue_fromfd_doc},
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2016 {"close", (PyCFunction)kqueue_queue_close, METH_NOARGS,
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2017 kqueue_queue_close_doc},
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2018 {"fileno", (PyCFunction)kqueue_queue_fileno, METH_NOARGS,
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2019 kqueue_queue_fileno_doc},
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2020 {"control", (PyCFunction)kqueue_queue_control,
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2021 METH_VARARGS , kqueue_queue_control_doc},
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2022 {NULL, NULL},
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2023 };
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2024
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2025 static PyGetSetDef kqueue_queue_getsetlist[] = {
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2026 {"closed", (getter)kqueue_queue_get_closed, NULL,
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2027 "True if the kqueue handler is closed"},
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2028 {0},
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2029 };
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2030
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2031 PyDoc_STRVAR(kqueue_queue_doc,
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2032 "Kqueue syscall wrapper.\n\
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2033 \n\
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2034 For example, to start watching a socket for input:\n\
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2035 >>> kq = kqueue()\n\
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2036 >>> sock = socket()\n\
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2037 >>> sock.connect((host, port))\n\
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2038 >>> kq.control([kevent(sock, KQ_FILTER_WRITE, KQ_EV_ADD)], 0)\n\
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2039 \n\
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2040 To wait one second for it to become writeable:\n\
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2041 >>> kq.control(None, 1, 1000)\n\
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2042 \n\
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2043 To stop listening:\n\
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2044 >>> kq.control([kevent(sock, KQ_FILTER_WRITE, KQ_EV_DELETE)], 0)");
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2045
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2046 static PyTypeObject kqueue_queue_Type = {
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2047 PyVarObject_HEAD_INIT(NULL, 0)
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2048 "select.kqueue", /* tp_name */
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2049 sizeof(kqueue_queue_Object), /* tp_basicsize */
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2050 0, /* tp_itemsize */
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2051 (destructor)kqueue_queue_dealloc, /* tp_dealloc */
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2052 0, /* tp_print */
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2053 0, /* tp_getattr */
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2054 0, /* tp_setattr */
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2055 0, /* tp_reserved */
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2056 0, /* tp_repr */
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2057 0, /* tp_as_number */
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2058 0, /* tp_as_sequence */
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2059 0, /* tp_as_mapping */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2060 0, /* tp_hash */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2061 0, /* tp_call */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2062 0, /* tp_str */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2063 0, /* tp_getattro */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2064 0, /* tp_setattro */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2065 0, /* tp_as_buffer */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2066 Py_TPFLAGS_DEFAULT, /* tp_flags */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2067 kqueue_queue_doc, /* tp_doc */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2068 0, /* tp_traverse */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2069 0, /* tp_clear */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2070 0, /* tp_richcompare */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2071 0, /* tp_weaklistoffset */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2072 0, /* tp_iter */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2073 0, /* tp_iternext */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2074 kqueue_queue_methods, /* tp_methods */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2075 0, /* tp_members */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2076 kqueue_queue_getsetlist, /* tp_getset */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2077 0, /* tp_base */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2078 0, /* tp_dict */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2079 0, /* tp_descr_get */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2080 0, /* tp_descr_set */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2081 0, /* tp_dictoffset */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2082 0, /* tp_init */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2083 0, /* tp_alloc */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2084 kqueue_queue_new, /* tp_new */
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2085 0, /* tp_free */
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2086 };
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2087
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2088 #endif /* HAVE_KQUEUE */
73549
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2089
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2090
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2091
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2092
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2093
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2094 /* ************************************************************************ */
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2095
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23607
diff changeset
2096 PyDoc_STRVAR(select_doc,
8570
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2097 "select(rlist, wlist, xlist[, timeout]) -> (rlist, wlist, xlist)\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2098 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2099 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
2100 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
2101 rlist -- wait until ready for reading\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2102 wlist -- wait until ready for writing\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2103 xlist -- wait for an ``exceptional condition''\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2104 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
2105 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
2106 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
2107 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2108 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
2109 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
2110 or None, the call will never time out.\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2111 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2112 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
2113 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
2114 that are ready.\n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2115 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2116 *** IMPORTANT NOTICE ***\n\
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2117 On Windows and OpenVMS, only sockets are supported; on Unix, all file\n\
46115
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Christian Heimes <christian@cheimes.de>
parents: 45996
diff changeset
2118 descriptors can be used.");
8570
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Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2119
4692
cb405b9696d4 Several changes... Guido *please* take a look!
Barry Warsaw <barry@python.org>
parents: 4621
diff changeset
2120 static PyMethodDef select_methods[] = {
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2121 {"select", select_select, METH_VARARGS, select_doc},
81592
101e821e5e70 Issue #16953: Fix socket module compilation on platforms with HAVE_BROKEN_POLL.
Charles-François Natali <cf.natali@gmail.com>
parents: 81587
diff changeset
2122 #if defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2123 {"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
2124 #endif /* HAVE_POLL */
73549
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2125 #ifdef HAVE_SYS_DEVPOLL_H
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2126 {"devpoll", select_devpoll, METH_NOARGS, devpoll_doc},
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2127 #endif
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2128 {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
2129 };
a4793ae26682 Changes for new UNIX-specific built-in module 'select' and new header for
Guido van Rossum <guido@python.org>
parents:
diff changeset
2130
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23607
diff changeset
2131 PyDoc_STRVAR(module_doc,
8570
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2132 "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
2133 \n\
bd695de18ecf Added doc strings.
Guido van Rossum <guido@python.org>
parents: 6626
diff changeset
2134 *** IMPORTANT NOTICE ***\n\
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38489
diff changeset
2135 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
2136
47580
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2137
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2138 static struct PyModuleDef selectmodule = {
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2139 PyModuleDef_HEAD_INIT,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2140 "select",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2141 module_doc,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2142 -1,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2143 select_methods,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2144 NULL,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2145 NULL,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2146 NULL,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2147 NULL
47580
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2148 };
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2149
73549
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2150
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2151
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2152
24363
979ff5d0ae07 Replace DL_IMPORT with PyMODINIT_FUNC and remove "/export:init..." link
Mark Hammond <mhammond@skippinet.com.au>
parents: 24283
diff changeset
2153 PyMODINIT_FUNC
47580
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2154 PyInit_select(void)
902
a4793ae26682 Changes for new UNIX-specific built-in module 'select' and new header for
Guido van Rossum <guido@python.org>
parents:
diff changeset
2155 {
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2156 PyObject *m;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2157 m = PyModule_Create(&selectmodule);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2158 if (m == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2159 return NULL;
22729
cdff3c7c1a76 Use the PyModule_Add*() APIs instead of manipulating the module dict
Fred Drake <fdrake@acm.org>
parents: 22114
diff changeset
2160
72879
41a1de81ef2b PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72116
diff changeset
2161 Py_INCREF(PyExc_OSError);
41a1de81ef2b PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy.
Antoine Pitrou <solipsis@pitrou.net>
parents: 72116
diff changeset
2162 PyModule_AddObject(m, "error", PyExc_OSError);
37935
e3a8a8de355e Patch 1471761 - test for broken poll at runtime
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 36501
diff changeset
2163
55179
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Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 55099
diff changeset
2164 #ifdef PIPE_BUF
65384
3c4225bf87b4 #9862: On AIX PIPE_BUF is broken. Make it 512.
R. David Murray <rdmurray@bitdance.com>
parents: 63589
diff changeset
2165 #ifdef HAVE_BROKEN_PIPE_BUF
3c4225bf87b4 #9862: On AIX PIPE_BUF is broken. Make it 512.
R. David Murray <rdmurray@bitdance.com>
parents: 63589
diff changeset
2166 #undef PIPE_BUF
3c4225bf87b4 #9862: On AIX PIPE_BUF is broken. Make it 512.
R. David Murray <rdmurray@bitdance.com>
parents: 63589
diff changeset
2167 #define PIPE_BUF 512
3c4225bf87b4 #9862: On AIX PIPE_BUF is broken. Make it 512.
R. David Murray <rdmurray@bitdance.com>
parents: 63589
diff changeset
2168 #endif
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60423
diff changeset
2169 PyModule_AddIntConstant(m, "PIPE_BUF", PIPE_BUF);
55179
e89faaafa3ee Merged revisions 73916 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 55099
diff changeset
2170 #endif
55099
06b360a33d57 Merged revisions 73818 via svnmerge from
Gregory P. Smith <greg@mad-scientist.com>
parents: 51271
diff changeset
2171
81592
101e821e5e70 Issue #16953: Fix socket module compilation on platforms with HAVE_BROKEN_POLL.
Charles-François Natali <cf.natali@gmail.com>
parents: 81587
diff changeset
2172 #if defined(HAVE_POLL) && !defined(HAVE_BROKEN_POLL)
37935
e3a8a8de355e Patch 1471761 - test for broken poll at runtime
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 36501
diff changeset
2173 #ifdef __APPLE__
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2174 if (select_have_broken_poll()) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2175 if (PyObject_DelAttrString(m, "poll") == -1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2176 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2177 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2178 } else {
37935
e3a8a8de355e Patch 1471761 - test for broken poll at runtime
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 36501
diff changeset
2179 #else
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2180 {
37935
e3a8a8de355e Patch 1471761 - test for broken poll at runtime
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 36501
diff changeset
2181 #endif
61467
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parents: 60425
diff changeset
2182 if (PyType_Ready(&poll_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2183 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2184 PyModule_AddIntConstant(m, "POLLIN", POLLIN);
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2185 PyModule_AddIntConstant(m, "POLLPRI", POLLPRI);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2186 PyModule_AddIntConstant(m, "POLLOUT", POLLOUT);
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2187 PyModule_AddIntConstant(m, "POLLERR", POLLERR);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2188 PyModule_AddIntConstant(m, "POLLHUP", POLLHUP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2189 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
2190
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
2191 #ifdef POLLRDNORM
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diff changeset
2192 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
2193 #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
2194 #ifdef POLLRDBAND
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2195 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
2196 #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
2197 #ifdef POLLWRNORM
61467
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2198 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
2199 #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
2200 #ifdef POLLWRBAND
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2201 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
2202 #endif
14182
c85a80db6845 Not every OS that support poll seems to support POLLMSG.
Sjoerd Mullender <sjoerd@acm.org>
parents: 14174
diff changeset
2203 #ifdef POLLMSG
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2204 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
2205 #endif
61467
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2206 }
37935
e3a8a8de355e Patch 1471761 - test for broken poll at runtime
Ronald Oussoren <ronaldoussoren@mac.com>
parents: 36501
diff changeset
2207 #endif /* HAVE_POLL */
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2208
73549
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2209 #ifdef HAVE_SYS_DEVPOLL_H
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2210 if (PyType_Ready(&devpoll_Type) < 0)
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2211 return NULL;
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2212 #endif
8f7ab4bf7ad9 Issue #6397: Support '/dev/poll' polling objects in select module, under Solaris & derivatives.
Jesus Cea <jcea@jcea.es>
parents: 72879
diff changeset
2213
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2214 #ifdef HAVE_EPOLL
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2215 Py_TYPE(&pyEpoll_Type) = &PyType_Type;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2216 if (PyType_Ready(&pyEpoll_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2217 return NULL;
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2218
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2219 Py_INCREF(&pyEpoll_Type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2220 PyModule_AddObject(m, "epoll", (PyObject *) &pyEpoll_Type);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2221
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2222 PyModule_AddIntConstant(m, "EPOLLIN", EPOLLIN);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2223 PyModule_AddIntConstant(m, "EPOLLOUT", EPOLLOUT);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2224 PyModule_AddIntConstant(m, "EPOLLPRI", EPOLLPRI);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2225 PyModule_AddIntConstant(m, "EPOLLERR", EPOLLERR);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2226 PyModule_AddIntConstant(m, "EPOLLHUP", EPOLLHUP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2227 PyModule_AddIntConstant(m, "EPOLLET", EPOLLET);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2228 #ifdef EPOLLONESHOT
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2229 /* Kernel 2.6.2+ */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2230 PyModule_AddIntConstant(m, "EPOLLONESHOT", EPOLLONESHOT);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2231 #endif
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2232 /* PyModule_AddIntConstant(m, "EPOLL_RDHUP", EPOLLRDHUP); */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2233 PyModule_AddIntConstant(m, "EPOLLRDNORM", EPOLLRDNORM);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2234 PyModule_AddIntConstant(m, "EPOLLRDBAND", EPOLLRDBAND);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2235 PyModule_AddIntConstant(m, "EPOLLWRNORM", EPOLLWRNORM);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2236 PyModule_AddIntConstant(m, "EPOLLWRBAND", EPOLLWRBAND);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2237 PyModule_AddIntConstant(m, "EPOLLMSG", EPOLLMSG);
74183
b30a94f7e053 add a flags parameter to select.epoll
Benjamin Peterson <benjamin@python.org>
parents: 73549
diff changeset
2238
74187
0f9276411dce fix for old kernels which don't have epoll_create1
Benjamin Peterson <benjamin@python.org>
parents: 74183
diff changeset
2239 #ifdef EPOLL_CLOEXEC
74183
b30a94f7e053 add a flags parameter to select.epoll
Benjamin Peterson <benjamin@python.org>
parents: 73549
diff changeset
2240 PyModule_AddIntConstant(m, "EPOLL_CLOEXEC", EPOLL_CLOEXEC);
74187
0f9276411dce fix for old kernels which don't have epoll_create1
Benjamin Peterson <benjamin@python.org>
parents: 74183
diff changeset
2241 #endif
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2242 #endif /* HAVE_EPOLL */
376b5cb8a014 Merged revisions 61687-61688,61696,61700,61704-61705,61707-61709,61711-61712,61714-61716,61718-61722 via svnmerge from
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parents: 44469
diff changeset
2243
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2244 #ifdef HAVE_KQUEUE
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2245 kqueue_event_Type.tp_new = PyType_GenericNew;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2246 Py_TYPE(&kqueue_event_Type) = &PyType_Type;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2247 if(PyType_Ready(&kqueue_event_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2248 return NULL;
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2249
61467
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diff changeset
2250 Py_INCREF(&kqueue_event_Type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2251 PyModule_AddObject(m, "kevent", (PyObject *)&kqueue_event_Type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2252
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2253 Py_TYPE(&kqueue_queue_Type) = &PyType_Type;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2254 if(PyType_Ready(&kqueue_queue_Type) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2255 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2256 Py_INCREF(&kqueue_queue_Type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2257 PyModule_AddObject(m, "kqueue", (PyObject *)&kqueue_queue_Type);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2258
61467
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2259 /* event filters */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2260 PyModule_AddIntConstant(m, "KQ_FILTER_READ", EVFILT_READ);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2261 PyModule_AddIntConstant(m, "KQ_FILTER_WRITE", EVFILT_WRITE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2262 PyModule_AddIntConstant(m, "KQ_FILTER_AIO", EVFILT_AIO);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2263 PyModule_AddIntConstant(m, "KQ_FILTER_VNODE", EVFILT_VNODE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2264 PyModule_AddIntConstant(m, "KQ_FILTER_PROC", EVFILT_PROC);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2265 #ifdef EVFILT_NETDEV
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2266 PyModule_AddIntConstant(m, "KQ_FILTER_NETDEV", EVFILT_NETDEV);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2267 #endif
61467
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2268 PyModule_AddIntConstant(m, "KQ_FILTER_SIGNAL", EVFILT_SIGNAL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2269 PyModule_AddIntConstant(m, "KQ_FILTER_TIMER", EVFILT_TIMER);
45996
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Christian Heimes <christian@cheimes.de>
parents: 44469
diff changeset
2270
61467
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diff changeset
2271 /* event flags */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2272 PyModule_AddIntConstant(m, "KQ_EV_ADD", EV_ADD);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2273 PyModule_AddIntConstant(m, "KQ_EV_DELETE", EV_DELETE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2274 PyModule_AddIntConstant(m, "KQ_EV_ENABLE", EV_ENABLE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2275 PyModule_AddIntConstant(m, "KQ_EV_DISABLE", EV_DISABLE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2276 PyModule_AddIntConstant(m, "KQ_EV_ONESHOT", EV_ONESHOT);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60425
diff changeset
2277 PyModule_AddIntConstant(m, "KQ_EV_CLEAR", EV_CLEAR);
45996
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diff changeset
2278
61467
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diff changeset
2279 PyModule_AddIntConstant(m, "KQ_EV_SYSFLAGS", EV_SYSFLAGS);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2280 PyModule_AddIntConstant(m, "KQ_EV_FLAG1", EV_FLAG1);
45996
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diff changeset
2281
61467
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diff changeset
2282 PyModule_AddIntConstant(m, "KQ_EV_EOF", EV_EOF);
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diff changeset
2283 PyModule_AddIntConstant(m, "KQ_EV_ERROR", EV_ERROR);
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diff changeset
2284
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diff changeset
2285 /* READ WRITE filter flag */
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diff changeset
2286 PyModule_AddIntConstant(m, "KQ_NOTE_LOWAT", NOTE_LOWAT);
45996
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diff changeset
2287
61467
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diff changeset
2288 /* VNODE filter flags */
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diff changeset
2289 PyModule_AddIntConstant(m, "KQ_NOTE_DELETE", NOTE_DELETE);
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diff changeset
2290 PyModule_AddIntConstant(m, "KQ_NOTE_WRITE", NOTE_WRITE);
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diff changeset
2291 PyModule_AddIntConstant(m, "KQ_NOTE_EXTEND", NOTE_EXTEND);
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diff changeset
2292 PyModule_AddIntConstant(m, "KQ_NOTE_ATTRIB", NOTE_ATTRIB);
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2293 PyModule_AddIntConstant(m, "KQ_NOTE_LINK", NOTE_LINK);
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2294 PyModule_AddIntConstant(m, "KQ_NOTE_RENAME", NOTE_RENAME);
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2295 PyModule_AddIntConstant(m, "KQ_NOTE_REVOKE", NOTE_REVOKE);
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2296
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2297 /* PROC filter flags */
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2298 PyModule_AddIntConstant(m, "KQ_NOTE_EXIT", NOTE_EXIT);
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2299 PyModule_AddIntConstant(m, "KQ_NOTE_FORK", NOTE_FORK);
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2300 PyModule_AddIntConstant(m, "KQ_NOTE_EXEC", NOTE_EXEC);
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2301 PyModule_AddIntConstant(m, "KQ_NOTE_PCTRLMASK", NOTE_PCTRLMASK);
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2302 PyModule_AddIntConstant(m, "KQ_NOTE_PDATAMASK", NOTE_PDATAMASK);
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2303
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2304 PyModule_AddIntConstant(m, "KQ_NOTE_TRACK", NOTE_TRACK);
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2305 PyModule_AddIntConstant(m, "KQ_NOTE_CHILD", NOTE_CHILD);
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2306 PyModule_AddIntConstant(m, "KQ_NOTE_TRACKERR", NOTE_TRACKERR);
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2307
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2308 /* NETDEV filter flags */
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2309 #ifdef EVFILT_NETDEV
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2310 PyModule_AddIntConstant(m, "KQ_NOTE_LINKUP", NOTE_LINKUP);
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2311 PyModule_AddIntConstant(m, "KQ_NOTE_LINKDOWN", NOTE_LINKDOWN);
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2312 PyModule_AddIntConstant(m, "KQ_NOTE_LINKINV", NOTE_LINKINV);
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2313 #endif
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2314
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2315 #endif /* HAVE_KQUEUE */
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2316 return m;
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2317 }