Mercurial > cpython-lru_cache-weakref

annotate Python/thread_cthread.h @ 45852:30c4e1ca8421

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Merged revisions 61431,61433-61436,61439,61444,61449-61450,61453,61458,61465,61468,61471-61474,61480,61483-61484,61488,61495-61496,61498,61503-61504,61507,61509-61510,61515-61518 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r61431 | vinay.sajip | 2008-03-16 22:35:58 +0100 (So, 16 Mär 2008) | 1 line Clarified documentation on use of shutdown(). ........ r61433 | mark.summerfield | 2008-03-17 09:28:15 +0100 (Mo, 17 Mär 2008) | 5 lines Added a footnote to each pointing out that for XML output if an encoding string is given it should conform to the appropriate XML standards---for example, "UTF-8" is okay, but "UTF8" is not. ........ r61434 | eric.smith | 2008-03-17 12:01:01 +0100 (Mo, 17 Mär 2008) | 7 lines Issue 2264: empty float presentation type needs to have at least one digit past the decimal point. Added "Z" format_char to PyOS_ascii_formatd to support empty float presentation type. Renamed buf_size in PyOS_ascii_formatd to more accurately reflect it's meaning. Modified format.__float__ to use the new "Z" format as the default. Added test cases. ........ r61435 | eric.smith | 2008-03-17 13:14:29 +0100 (Mo, 17 Mär 2008) | 2 lines Reformated lines > 79 chars. Deleted unused macro ISXDIGIT. ........ r61436 | jeffrey.yasskin | 2008-03-17 15:40:53 +0100 (Mo, 17 Mär 2008) | 13 lines Allow Gnu gcc's to build python on OSX by removing -Wno-long-double, -no-cpp-precomp, and -mno-fused-madd from configure. * r22183 added -no-cpp-precomp, which http://gcc.gnu.org/ml/gcc/2005-12/msg00368.html claims hasn't been needed since gcc-3.1. * r25607 added -Wno-long-double to avoid a warning in Include/objimpl.h (issue 525481). The long double is still there, but OSX 10.4's gcc no longer warns about it. * r33666 fixed issue 775892 on OSX 10.3 by adding -mno-fused-madd, which changed the sign of some float 0s. Tim Peters said it wasn't a real issue anyway, and it no longer causes test failures. Fixes issue #1779871. ........ r61439 | martin.v.loewis | 2008-03-17 17:31:57 +0100 (Mo, 17 Mär 2008) | 2 lines Add Trent Nelson. ........ r61444 | travis.oliphant | 2008-03-17 18:36:12 +0100 (Mo, 17 Mär 2008) | 1 line Add necessary headers to back-port new buffer protocol to Python 2.6 ........ r61449 | gregory.p.smith | 2008-03-17 19:48:05 +0100 (Mo, 17 Mär 2008) | 8 lines Force zlib.crc32 and zlib.adler32 to return a signed integer on all platforms regardless of the native sizeof(long) used in the integer object. This somewhat odd behavior of returning a signed is maintained in 2.x for compatibility reasons of always returning an integer rather than a long object. Fixes Issue1202 for Python 2.6 ........ r61450 | neal.norwitz | 2008-03-17 20:02:45 +0100 (Mo, 17 Mär 2008) | 3 lines Use a buffer large enough to ensure we don't overrun, even if the value is outside the range we expect. ........ r61453 | steven.bethard | 2008-03-17 20:33:11 +0100 (Mo, 17 Mär 2008) | 1 line Document unicode.isnumeric() and unicode.isdecimal() (issue2326) ........ r61458 | neal.norwitz | 2008-03-17 21:22:43 +0100 (Mo, 17 Mär 2008) | 5 lines Issue 2321: reduce memory usage (increase the memory that is returned to the system) by using pymalloc for the data of unicode objects. Will backport. ........ r61465 | martin.v.loewis | 2008-03-17 22:55:30 +0100 (Mo, 17 Mär 2008) | 2 lines Add David Wolever. ........ r61468 | gregory.p.smith | 2008-03-18 01:20:01 +0100 (Di, 18 Mär 2008) | 3 lines Fix the IOError message text when opening a file with an invalid filename. Error reported by Ilan Schnell. ........ r61471 | brett.cannon | 2008-03-18 02:00:07 +0100 (Di, 18 Mär 2008) | 2 lines Convert test_strftime, test_getargs, and test_pep247 to use unittest. ........ r61472 | jeffrey.yasskin | 2008-03-18 02:09:59 +0100 (Di, 18 Mär 2008) | 2 lines Fix build on platforms that don't have intptr_t. Patch by Joseph Armbruster. ........ r61473 | brett.cannon | 2008-03-18 02:50:25 +0100 (Di, 18 Mär 2008) | 2 lines Convert test_dummy_threading and test_dbm to unittest. ........ r61474 | brett.cannon | 2008-03-18 02:58:56 +0100 (Di, 18 Mär 2008) | 2 lines Move test_extcall to doctest. ........ r61480 | brett.cannon | 2008-03-18 04:46:22 +0100 (Di, 18 Mär 2008) | 2 lines test_errno was a no-op test; now it actually tests things and uses unittest. ........ r61483 | brett.cannon | 2008-03-18 05:09:00 +0100 (Di, 18 Mär 2008) | 3 lines Remove our implementation of memmove() and strerror(); both are in the C89 standard library. ........ r61484 | brett.cannon | 2008-03-18 05:16:06 +0100 (Di, 18 Mär 2008) | 2 lines The output directory for tests that compare against stdout is now gone! ........ r61488 | jeffrey.yasskin | 2008-03-18 05:29:35 +0100 (Di, 18 Mär 2008) | 2 lines Block the "socket.ssl() is deprecated" warning from test_socket_ssl. ........ r61495 | jeffrey.yasskin | 2008-03-18 05:56:06 +0100 (Di, 18 Mär 2008) | 4 lines Speed test_thread up from 51.328s to 0.081s by reducing its sleep times. We still sleep at all to make it likely that all threads are active at the same time. ........ r61496 | jeffrey.yasskin | 2008-03-18 06:12:41 +0100 (Di, 18 Mär 2008) | 4 lines Speed up test_dict by about 10x by only checking selected dict literal sizes, instead of every integer from 0 to 400. Exhaustive testing wastes time without providing enough more assurance that the code is correct. ........ r61498 | neal.norwitz | 2008-03-18 06:20:29 +0100 (Di, 18 Mär 2008) | 1 line Try increasing the timeout to reduce the flakiness of this test. ........ r61503 | brett.cannon | 2008-03-18 06:43:04 +0100 (Di, 18 Mär 2008) | 2 lines Improve the error message for a test that failed on the S-390 Debian buildbot. ........ r61504 | jeffrey.yasskin | 2008-03-18 06:45:40 +0100 (Di, 18 Mär 2008) | 3 lines Add a -S/--slow flag to regrtest to have it print the 10 slowest tests with their times. ........ r61507 | neal.norwitz | 2008-03-18 07:03:46 +0100 (Di, 18 Mär 2008) | 1 line Add some info to the failure messages ........ r61509 | trent.nelson | 2008-03-18 08:02:12 +0100 (Di, 18 Mär 2008) | 1 line Issue 2286: bump up the stack size of the 64-bit debug python_d.exe to 2100000. The default value of 200000 causes a stack overflow at 1965 iterations of r_object() in marshal.c, 35 iterations before the 2000 limit enforced by MAX_MARSHAL_STACK_DEPTH. ........ r61510 | trent.nelson | 2008-03-18 08:32:47 +0100 (Di, 18 Mär 2008) | 5 lines The behaviour of winsound.Beep() seems to differ between different versions of Windows when there's either: a) no sound card entirely b) legacy beep driver has been disabled c) the legacy beep driver has been uninstalled Sometimes RuntimeErrors are raised, sometimes they're not. If _have_soundcard() returns False, don't expect winsound.Beep() to raise a RuntimeError, as this clearly isn't the case, as demonstrated by the various Win32 XP buildbots. ........ r61515 | martin.v.loewis | 2008-03-18 13:20:15 +0100 (Di, 18 Mär 2008) | 2 lines norwitz-amd64 (gentoo) has EREMOTEIO. ........ r61516 | martin.v.loewis | 2008-03-18 13:45:37 +0100 (Di, 18 Mär 2008) | 2 lines Add more Linux error codes. ........ r61517 | martin.v.loewis | 2008-03-18 14:05:03 +0100 (Di, 18 Mär 2008) | 2 lines Add WSA errors. ........ r61518 | martin.v.loewis | 2008-03-18 14:16:05 +0100 (Di, 18 Mär 2008) | 2 lines Note that the stderr output of the test is intentional. ........
author Christian Heimes <christian@cheimes.de>
date Tue, 18 Mar 2008 15:15:01 +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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16 #ifndef HURD_C_THREADS
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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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48 if (!initialized)
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49 PyThread_init_thread();
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50 return (long) cthread_self();
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53 static void
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54 do_PyThread_exit_thread(int no_cleanup)
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56 dprintf(("PyThread_exit_thread called\n"));
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57 if (!initialized)
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58 if (no_cleanup)
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59 _exit(0);
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60 else
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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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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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91 }
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93 void
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94 PyThread_exit_prog(int status)
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95 {
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96 do_PyThread_exit_prog(status, 0);
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97 }
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98
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99 void
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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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113
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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 }