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annotate Python/thread_cthread.h @ 56121:ea697cde6882 3.1

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Merged revisions 74881-74885,74888,74891-74895,74900,74905-74906,74931-74932,74934,74941-74942,74944,74956 via svnmerge from svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r74881 | r.david.murray | 2009-09-17 15:12:49 -0400 (Thu, 17 Sep 2009) | 2 lines Check in first draft of maintainers.rst. ........ r74882 | eric.smith | 2009-09-17 15:22:30 -0400 (Thu, 17 Sep 2009) | 1 line Typo. ........ r74883 | mark.dickinson | 2009-09-17 15:37:28 -0400 (Thu, 17 Sep 2009) | 1 line Add some more module maintainers. ........ r74884 | mark.dickinson | 2009-09-17 15:39:12 -0400 (Thu, 17 Sep 2009) | 1 line Revert accidental changes to Objects/longobject.c ........ r74885 | mark.dickinson | 2009-09-17 16:20:01 -0400 (Thu, 17 Sep 2009) | 1 line Add decimal maintainers ........ r74888 | r.david.murray | 2009-09-17 18:10:48 -0400 (Thu, 17 Sep 2009) | 2 lines Maintainer additions from MAL. ........ r74891 | georg.brandl | 2009-09-17 18:18:01 -0400 (Thu, 17 Sep 2009) | 1 line Some more maintainers. ........ r74892 | r.david.murray | 2009-09-17 19:23:56 -0400 (Thu, 17 Sep 2009) | 2 lines Add a couple interest areas for Nick per his request. ........ r74893 | r.david.murray | 2009-09-17 19:43:20 -0400 (Thu, 17 Sep 2009) | 2 lines Benajmin is also compiler-knowledgeable. ........ r74894 | alexandre.vassalotti | 2009-09-17 20:59:05 -0400 (Thu, 17 Sep 2009) | 2 lines Added myself to my areas of interest. ........ r74895 | brett.cannon | 2009-09-17 21:03:35 -0400 (Thu, 17 Sep 2009) | 1 line Add myself to a couple places as maintainer. ........ r74900 | georg.brandl | 2009-09-18 05:06:37 -0400 (Fri, 18 Sep 2009) | 1 line Add myself in interest areas. ........ r74905 | ezio.melotti | 2009-09-18 05:58:43 -0400 (Fri, 18 Sep 2009) | 1 line Add myself in interest areas and mark effbot as inactive in winsound ........ r74906 | antoine.pitrou | 2009-09-18 09:15:23 -0400 (Fri, 18 Sep 2009) | 3 lines Add myself in a couple of places ........ r74931 | r.david.murray | 2009-09-18 17:25:36 -0400 (Fri, 18 Sep 2009) | 5 lines Add some names gleaned from the "Tracker Archeology" thread on python-dev from back in February. Also consolidate the autoconf and makefiles topics into one, and add tracker and svn/hg topics. ........ r74932 | r.david.murray | 2009-09-18 17:32:16 -0400 (Fri, 18 Sep 2009) | 2 lines Remove non-committer mistakenly added. ........ r74934 | r.david.murray | 2009-09-18 17:40:30 -0400 (Fri, 18 Sep 2009) | 2 lines More descriptive/generic name for the svn/hg entry (version control) ........ r74941 | benjamin.peterson | 2009-09-18 18:45:59 -0400 (Fri, 18 Sep 2009) | 1 line add a new category for myself ........ r74942 | benjamin.peterson | 2009-09-18 18:50:55 -0400 (Fri, 18 Sep 2009) | 1 line add myself for symtable ........ r74944 | georg.brandl | 2009-09-19 03:39:05 -0400 (Sat, 19 Sep 2009) | 1 line I would like to maintain the token module! ........ r74956 | r.david.murray | 2009-09-19 14:40:08 -0400 (Sat, 19 Sep 2009) | 3 lines Add everyone who we know has been a release manager as a resource for the 'release management' topic. ........
author R. David Murray <rdmurray@bitdance.com>
date Sat, 19 Sep 2009 19:04:37 +0000
parents 8b116a8449bd
children e38335d4df91 df5719c298db
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2 #ifdef MACH_C_THREADS
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3 #include <mach/cthreads.h>
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6 #ifdef HURD_C_THREADS
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7 #include <cthreads.h>
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10 /*
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11 * Initialization.
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14 PyThread__init_thread(void)
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17 /* Roland McGrath said this should not be used since this is
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18 done while linking to threads */
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19 cthread_init();
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20 #else
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21 /* do nothing */
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22 ;
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26 /*
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27 * Thread support.
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28 */
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29 long
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30 PyThread_start_new_thread(void (*func)(void *), void *arg)
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32 int success = 0; /* init not needed when SOLARIS_THREADS and */
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33 /* C_THREADS implemented properly */
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35 dprintf(("PyThread_start_new_thread called\n"));
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36 if (!initialized)
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37 PyThread_init_thread();
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38 /* looks like solaris detaches the thread to never rejoin
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39 * so well do it here
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40 */
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41 cthread_detach(cthread_fork((cthread_fn_t) func, arg));
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42 return success < 0 ? -1 : 0;
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46 PyThread_get_thread_ident(void)
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49 PyThread_init_thread();
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50 return (long) cthread_self();
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51 }
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56 dprintf(("PyThread_exit_thread called\n"));
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61 exit(0);
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62 cthread_exit(0);
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63 }
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66 PyThread_exit_thread(void)
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68 do_PyThread_exit_thread(0);
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71 void
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72 PyThread__exit_thread(void)
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74 do_PyThread_exit_thread(1);
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77 #ifndef NO_EXIT_PROG
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79 void do_PyThread_exit_prog(int status, int no_cleanup)
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81 dprintf(("PyThread_exit_prog(%d) called\n", status));
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82 if (!initialized)
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83 if (no_cleanup)
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84 _exit(status);
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85 else
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86 exit(status);
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87 if (no_cleanup)
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88 _exit(status);
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89 else
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90 exit(status);
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94 PyThread_exit_prog(int status)
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96 do_PyThread_exit_prog(status, 0);
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97 }
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100 PyThread__exit_prog(int status)
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101 {
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102 do_PyThread_exit_prog(status, 1);
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103 }
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104 #endif /* NO_EXIT_PROG */
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105
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106 /*
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107 * Lock support.
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108 */
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109 PyThread_type_lock
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110 PyThread_allocate_lock(void)
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111 {
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112 mutex_t lock;
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114 dprintf(("PyThread_allocate_lock called\n"));
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115 if (!initialized)
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116 PyThread_init_thread();
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117
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118 lock = mutex_alloc();
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119 if (mutex_init(lock)) {
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120 perror("mutex_init");
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121 free((void *) lock);
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122 lock = 0;
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123 }
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124 dprintf(("PyThread_allocate_lock() -> %p\n", lock));
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125 return (PyThread_type_lock) lock;
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126 }
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127
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128 void
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129 PyThread_free_lock(PyThread_type_lock lock)
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130 {
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131 dprintf(("PyThread_free_lock(%p) called\n", lock));
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132 mutex_free(lock);
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133 }
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134
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135 int
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136 PyThread_acquire_lock(PyThread_type_lock lock, int waitflag)
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137 {
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138 int success = FALSE;
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139
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140 dprintf(("PyThread_acquire_lock(%p, %d) called\n", lock, waitflag));
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141 if (waitflag) { /* blocking */
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142 mutex_lock((mutex_t)lock);
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143 success = TRUE;
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144 } else { /* non blocking */
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145 success = mutex_try_lock((mutex_t)lock);
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146 }
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147 dprintf(("PyThread_acquire_lock(%p, %d) -> %d\n", lock, waitflag, success));
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148 return success;
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149 }
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150
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151 void
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152 PyThread_release_lock(PyThread_type_lock lock)
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153 {
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154 dprintf(("PyThread_release_lock(%p) called\n", lock));
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155 mutex_unlock((mutex_t )lock);
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156 }