cpython-lru_cache-weakref: Python/thread

annotate Python/thread_pthread.h @ 48499:de0bf60f1245

Merged revisions 64722,64729,64753,64845-64846,64849,64871,64880-64882,64885,64888,64897,64900-64901,64915,64926-64929,64938-64941,64944,64961,64966,64973 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r64722 | georg.brandl | 2008-07-05 12:13:36 +0200 (Sat, 05 Jul 2008) | 4 lines #2663: support an *ignore* argument to shutil.copytree(). Patch by Tarek Ziade. This is a new feature, but Barry authorized adding it in the beta period. ........ r64729 | mark.dickinson | 2008-07-05 13:33:52 +0200 (Sat, 05 Jul 2008) | 5 lines Issue 3188: accept float('infinity') as well as float('inf'). This makes the float constructor behave in the same way as specified by various other language standards, including C99, IEEE 754r, and the IBM Decimal standard. ........ r64753 | gregory.p.smith | 2008-07-06 05:35:58 +0200 (Sun, 06 Jul 2008) | 4 lines - Issue #2862: Make int and float freelist management consistent with other freelists. Changes their CompactFreeList apis into ClearFreeList apis and calls them via gc.collect(). ........ r64845 | raymond.hettinger | 2008-07-10 16:03:19 +0200 (Thu, 10 Jul 2008) | 1 line Issue 3301: Bisect functions behaved badly when lo was negative. ........ r64846 | raymond.hettinger | 2008-07-10 16:34:57 +0200 (Thu, 10 Jul 2008) | 1 line Issue 3285: Fractions from_float() and from_decimal() accept Integral arguments. ........ r64849 | andrew.kuchling | 2008-07-10 16:43:31 +0200 (Thu, 10 Jul 2008) | 1 line Wording changes ........ r64871 | raymond.hettinger | 2008-07-11 14:00:21 +0200 (Fri, 11 Jul 2008) | 1 line Add cautionary note on the use of PySequence_Fast_ITEMS. ........ r64880 | amaury.forgeotdarc | 2008-07-11 23:28:25 +0200 (Fri, 11 Jul 2008) | 5 lines #3317 in zipfile module, restore the previous names of global variables: some applications relied on them. Also remove duplicated lines. ........ r64881 | amaury.forgeotdarc | 2008-07-11 23:45:06 +0200 (Fri, 11 Jul 2008) | 3 lines #3342: In tracebacks, printed source lines were not indented since r62555. #3343: Py_DisplaySourceLine should be a private function. Rename it to _Py_DisplaySourceLine. ........ r64882 | josiah.carlson | 2008-07-12 00:17:14 +0200 (Sat, 12 Jul 2008) | 2 lines Fix for the AttributeError in test_asynchat. ........ r64885 | josiah.carlson | 2008-07-12 01:26:59 +0200 (Sat, 12 Jul 2008) | 2 lines Fixed test for asyncore. ........ r64888 | matthias.klose | 2008-07-12 09:51:48 +0200 (Sat, 12 Jul 2008) | 2 lines - Fix bashisms in Tools/faqwiz/move-faqwiz.sh ........ r64897 | benjamin.peterson | 2008-07-12 22:16:19 +0200 (Sat, 12 Jul 2008) | 1 line fix various doc typos #3320 ........ r64900 | alexandre.vassalotti | 2008-07-13 00:06:53 +0200 (Sun, 13 Jul 2008) | 2 lines Fixed typo. ........ r64901 | benjamin.peterson | 2008-07-13 01:41:19 +0200 (Sun, 13 Jul 2008) | 1 line #1778443 robotparser fixes from Aristotelis Mikropoulos ........ r64915 | nick.coghlan | 2008-07-13 16:52:36 +0200 (Sun, 13 Jul 2008) | 1 line Fix issue 3221 by emitting a RuntimeWarning instead of raising SystemError when the parent module can't be found during an absolute import (likely due to non-PEP 361 aware code which sets a module level __package__ attribute) ........ r64926 | martin.v.loewis | 2008-07-13 22:31:49 +0200 (Sun, 13 Jul 2008) | 2 lines Add turtle into the module index. ........ r64927 | alexandre.vassalotti | 2008-07-13 22:42:44 +0200 (Sun, 13 Jul 2008) | 3 lines Issue #3274: Use a less common identifier for the temporary variable in Py_CLEAR(). ........ r64928 | andrew.kuchling | 2008-07-13 23:43:25 +0200 (Sun, 13 Jul 2008) | 1 line Re-word ........ r64929 | andrew.kuchling | 2008-07-13 23:43:52 +0200 (Sun, 13 Jul 2008) | 1 line Add various items; move ctypes items into a subsection of their own ........ r64938 | andrew.kuchling | 2008-07-14 02:35:32 +0200 (Mon, 14 Jul 2008) | 1 line Typo fixes ........ r64939 | andrew.kuchling | 2008-07-14 02:40:55 +0200 (Mon, 14 Jul 2008) | 1 line Typo fix ........ r64940 | andrew.kuchling | 2008-07-14 03:18:16 +0200 (Mon, 14 Jul 2008) | 1 line Typo fix ........ r64941 | andrew.kuchling | 2008-07-14 03:18:31 +0200 (Mon, 14 Jul 2008) | 1 line Expand the multiprocessing section ........ r64944 | gregory.p.smith | 2008-07-14 08:06:48 +0200 (Mon, 14 Jul 2008) | 7 lines Fix posix.fork1() / os.fork1() to only call PyOS_AfterFork() in the child process rather than both parent and child. Does anyone actually use fork1()? It appears to be a Solaris thing but if Python is built with pthreads on Solaris, fork1() and fork() should be the same. ........ r64961 | jesse.noller | 2008-07-15 15:47:33 +0200 (Tue, 15 Jul 2008) | 1 line multiprocessing/connection.py patch to remove fqdn oddness for issue 3270 ........ r64966 | nick.coghlan | 2008-07-15 17:40:22 +0200 (Tue, 15 Jul 2008) | 1 line Add missing NEWS entry for r64962 ........ r64973 | jesse.noller | 2008-07-15 20:29:18 +0200 (Tue, 15 Jul 2008) | 1 line Revert 3270 patch: self._address is in pretty widespread use, need to revisit ........

author	Georg Brandl <georg@python.org>
date	Wed, 16 Jul 2008 12:55:28 +0000
parents	654c380cf8b9
children	f197407bdba2 798e0d0c7246

rev	line source
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	1
3663 07164d30429d Got rid of florida hack and made it work with Solaris 2.5 pthreads. Guido van Rossum <guido@python.org> parents: 2097 diff changeset	2 /* Posix threads interface */
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	3
3663 07164d30429d Got rid of florida hack and made it work with Solaris 2.5 pthreads. Guido van Rossum <guido@python.org> parents: 2097 diff changeset	4 #include <stdlib.h>
9290 2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net. Guido van Rossum <guido@python.org> parents: 9079 diff changeset	5 #include <string.h>
25545 3731be28e1a3 Patch #618347: Work around Solaris 2.6 pthread.h bug. Will backport to 2.2. Martin v. Löwis <martin@v.loewis.de> parents: 22341 diff changeset	6 #if defined(__APPLE__) \|\| defined(HAVE_PTHREAD_DESTRUCTOR)
21724 884e57bf3ada Workaround for what is probably a problem in Apple's gcc: <pthread.h> fails Jack Jansen <jack.jansen@cwi.nl> parents: 20922 diff changeset	7 #define destructor xxdestructor
884e57bf3ada Workaround for what is probably a problem in Apple's gcc: <pthread.h> fails Jack Jansen <jack.jansen@cwi.nl> parents: 20922 diff changeset	8 #endif
3663 07164d30429d Got rid of florida hack and made it work with Solaris 2.5 pthreads. Guido van Rossum <guido@python.org> parents: 2097 diff changeset	9 #include <pthread.h>
25545 3731be28e1a3 Patch #618347: Work around Solaris 2.6 pthread.h bug. Will backport to 2.2. Martin v. Löwis <martin@v.loewis.de> parents: 22341 diff changeset	10 #if defined(__APPLE__) \|\| defined(HAVE_PTHREAD_DESTRUCTOR)
21724 884e57bf3ada Workaround for what is probably a problem in Apple's gcc: <pthread.h> fails Jack Jansen <jack.jansen@cwi.nl> parents: 20922 diff changeset	11 #undef destructor
884e57bf3ada Workaround for what is probably a problem in Apple's gcc: <pthread.h> fails Jack Jansen <jack.jansen@cwi.nl> parents: 20922 diff changeset	12 #endif
20398 c9a212329da6 Add SF patch #468347 -- mask signals for non-main pthreads, by Jason Lowe: Guido van Rossum <guido@python.org> parents: 19826 diff changeset	13 #include <signal.h>
22341 2548e2f323fa Document that _POSIX_SEMAPHORES is predefined. Martin v. Löwis <martin@v.loewis.de> parents: 22339 diff changeset	14
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	15 /* The POSIX spec requires that use of pthread_attr_setstacksize
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	16 be conditional on _POSIX_THREAD_ATTR_STACKSIZE being defined. */
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	17 #ifdef _POSIX_THREAD_ATTR_STACKSIZE
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	18 #ifndef THREAD_STACK_SIZE
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	19 #define THREAD_STACK_SIZE 0 /* use default stack size */
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	20 #endif
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	21 /* for safety, ensure a viable minimum stacksize */
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	22 #define THREAD_STACK_MIN 0x8000 /* 32kB */
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	23 #else /* !_POSIX_THREAD_ATTR_STACKSIZE */
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	24 #ifdef THREAD_STACK_SIZE
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	25 #error "THREAD_STACK_SIZE defined but _POSIX_THREAD_ATTR_STACKSIZE undefined"
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	26 #endif
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	27 #endif
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	28
22341 2548e2f323fa Document that _POSIX_SEMAPHORES is predefined. Martin v. Löwis <martin@v.loewis.de> parents: 22339 diff changeset	29 /* The POSIX spec says that implementations supporting the sem_*
2548e2f323fa Document that _POSIX_SEMAPHORES is predefined. Martin v. Löwis <martin@v.loewis.de> parents: 22339 diff changeset	30 family of functions must indicate this by defining
2548e2f323fa Document that _POSIX_SEMAPHORES is predefined. Martin v. Löwis <martin@v.loewis.de> parents: 22339 diff changeset	31 _POSIX_SEMAPHORES. */
22339 6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	32 #ifdef _POSIX_SEMAPHORES
34824 a50ffe65911b Add 0 to _POSIX_SEMAPHORES. Martin v. Löwis <martin@v.loewis.de> parents: 34762 diff changeset	33 /* On FreeBSD 4.x, _POSIX_SEMAPHORES is defined empty, so
a50ffe65911b Add 0 to _POSIX_SEMAPHORES. Martin v. Löwis <martin@v.loewis.de> parents: 34762 diff changeset	34 we need to add 0 to make it work there as well. */
a50ffe65911b Add 0 to _POSIX_SEMAPHORES. Martin v. Löwis <martin@v.loewis.de> parents: 34762 diff changeset	35 #if (_POSIX_SEMAPHORES+0) == -1
34762 fcb507414c41 Patch #1163249 - Correctly handle _POSIX_SEMAPHORES == -1 to mean no Anthony Baxter <anthonybaxter@gmail.com> parents: 32526 diff changeset	36 #define HAVE_BROKEN_POSIX_SEMAPHORES
fcb507414c41 Patch #1163249 - Correctly handle _POSIX_SEMAPHORES == -1 to mean no Anthony Baxter <anthonybaxter@gmail.com> parents: 32526 diff changeset	37 #else
22339 6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	38 #include <semaphore.h>
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	39 #include <errno.h>
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	40 #endif
34762 fcb507414c41 Patch #1163249 - Correctly handle _POSIX_SEMAPHORES == -1 to mean no Anthony Baxter <anthonybaxter@gmail.com> parents: 32526 diff changeset	41 #endif
3663 07164d30429d Got rid of florida hack and made it work with Solaris 2.5 pthreads. Guido van Rossum <guido@python.org> parents: 2097 diff changeset	42
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 35607 diff changeset	43 /* Before FreeBSD 5.4, system scope threads was very limited resource
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 35607 diff changeset	44 in default setting. So the process scope is preferred to get
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 35607 diff changeset	45 enough number of threads to work. */
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 35607 diff changeset	46 #ifdef __FreeBSD__
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 35607 diff changeset	47 #include <osreldate.h>
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 35607 diff changeset	48 #if __FreeBSD_version >= 500000 && __FreeBSD_version < 504101
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 35607 diff changeset	49 #undef PTHREAD_SYSTEM_SCHED_SUPPORTED
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 35607 diff changeset	50 #endif
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 35607 diff changeset	51 #endif
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 35607 diff changeset	52
26598 56dbd9079a13 Patch #650415: Avoid redefinition of macros. Martin v. Löwis <martin@v.loewis.de> parents: 26499 diff changeset	53 #if !defined(pthread_attr_default)
5493 ef93d51dab36 Support for various versions of the pthread draft. Guido van Rossum <guido@python.org> parents: 5395 diff changeset	54 # define pthread_attr_default ((pthread_attr_t *)NULL)
26598 56dbd9079a13 Patch #650415: Avoid redefinition of macros. Martin v. Löwis <martin@v.loewis.de> parents: 26499 diff changeset	55 #endif
56dbd9079a13 Patch #650415: Avoid redefinition of macros. Martin v. Löwis <martin@v.loewis.de> parents: 26499 diff changeset	56 #if !defined(pthread_mutexattr_default)
5493 ef93d51dab36 Support for various versions of the pthread draft. Guido van Rossum <guido@python.org> parents: 5395 diff changeset	57 # define pthread_mutexattr_default ((pthread_mutexattr_t *)NULL)
26598 56dbd9079a13 Patch #650415: Avoid redefinition of macros. Martin v. Löwis <martin@v.loewis.de> parents: 26499 diff changeset	58 #endif
56dbd9079a13 Patch #650415: Avoid redefinition of macros. Martin v. Löwis <martin@v.loewis.de> parents: 26499 diff changeset	59 #if !defined(pthread_condattr_default)
5493 ef93d51dab36 Support for various versions of the pthread draft. Guido van Rossum <guido@python.org> parents: 5395 diff changeset	60 # define pthread_condattr_default ((pthread_condattr_t *)NULL)
3965 9c05ff6fb0a4 Changes necessary for AIX. Guido van Rossum <guido@python.org> parents: 3663 diff changeset	61 #endif
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	62
5493 ef93d51dab36 Support for various versions of the pthread draft. Guido van Rossum <guido@python.org> parents: 5395 diff changeset	63
22339 6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	64 /* Whether or not to use semaphores directly rather than emulating them with
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	65 * mutexes and condition variables:
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	66 */
27320 1562c1e10b49 Don't use Posix semaphores on Solaris 8. Fixes #662787. Martin v. Löwis <martin@v.loewis.de> parents: 26598 diff changeset	67 #if defined(_POSIX_SEMAPHORES) && !defined(HAVE_BROKEN_POSIX_SEMAPHORES)
22339 6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	68 # define USE_SEMAPHORES
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	69 #else
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	70 # undef USE_SEMAPHORES
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	71 #endif
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	72
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	73
20398 c9a212329da6 Add SF patch #468347 -- mask signals for non-main pthreads, by Jason Lowe: Guido van Rossum <guido@python.org> parents: 19826 diff changeset	74 /* On platforms that don't use standard POSIX threads pthread_sigmask()
c9a212329da6 Add SF patch #468347 -- mask signals for non-main pthreads, by Jason Lowe: Guido van Rossum <guido@python.org> parents: 19826 diff changeset	75 * isn't present. DEC threads uses sigprocmask() instead as do most
c9a212329da6 Add SF patch #468347 -- mask signals for non-main pthreads, by Jason Lowe: Guido van Rossum <guido@python.org> parents: 19826 diff changeset	76 * other UNIX International compliant systems that don't have the full
c9a212329da6 Add SF patch #468347 -- mask signals for non-main pthreads, by Jason Lowe: Guido van Rossum <guido@python.org> parents: 19826 diff changeset	77 * pthread implementation.
c9a212329da6 Add SF patch #468347 -- mask signals for non-main pthreads, by Jason Lowe: Guido van Rossum <guido@python.org> parents: 19826 diff changeset	78 */
29972 a408ac5527c3 Patch 775605: Cygwin pthread_sigmask() workaround patch Jason Tishler <jason@tishler.net> parents: 28687 diff changeset	79 #if defined(HAVE_PTHREAD_SIGMASK) && !defined(HAVE_BROKEN_PTHREAD_SIGMASK)
20398 c9a212329da6 Add SF patch #468347 -- mask signals for non-main pthreads, by Jason Lowe: Guido van Rossum <guido@python.org> parents: 19826 diff changeset	80 # define SET_THREAD_SIGMASK pthread_sigmask
c9a212329da6 Add SF patch #468347 -- mask signals for non-main pthreads, by Jason Lowe: Guido van Rossum <guido@python.org> parents: 19826 diff changeset	81 #else
c9a212329da6 Add SF patch #468347 -- mask signals for non-main pthreads, by Jason Lowe: Guido van Rossum <guido@python.org> parents: 19826 diff changeset	82 # define SET_THREAD_SIGMASK sigprocmask
c9a212329da6 Add SF patch #468347 -- mask signals for non-main pthreads, by Jason Lowe: Guido van Rossum <guido@python.org> parents: 19826 diff changeset	83 #endif
c9a212329da6 Add SF patch #468347 -- mask signals for non-main pthreads, by Jason Lowe: Guido van Rossum <guido@python.org> parents: 19826 diff changeset	84
c9a212329da6 Add SF patch #468347 -- mask signals for non-main pthreads, by Jason Lowe: Guido van Rossum <guido@python.org> parents: 19826 diff changeset	85
1629 4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	86 /* A pthread mutex isn't sufficient to model the Python lock type
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	87 * because, according to Draft 5 of the docs (P1003.4a/D5), both of the
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	88 * following are undefined:
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	89 * -> a thread tries to lock a mutex it already has locked
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	90 * -> a thread tries to unlock a mutex locked by a different thread
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	91 * pthread mutexes are designed for serializing threads over short pieces
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	92 * of code anyway, so wouldn't be an appropriate implementation of
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	93 * Python's locks regardless.
1629 4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	94 *
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	95 * The pthread_lock struct implements a Python lock as a "locked?" bit
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	96 * and a <condition, mutex> pair. In general, if the bit can be acquired
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	97 * instantly, it is, else the pair is used to block the thread until the
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	98 * bit is cleared. 9 May 1994 tim@ksr.com
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	99 */
1629 4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	100
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	101 typedef struct {
1629 4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	102 char locked; /* 0=unlocked, 1=locked */
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	103 /* a <cond, mutex> pair to handle an acquire of a locked lock */
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	104 pthread_cond_t lock_released;
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	105 pthread_mutex_t mut;
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	106 } pthread_lock;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	107
9290 2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net. Guido van Rossum <guido@python.org> parents: 9079 diff changeset	108 #define CHECK_STATUS(name) if (status != 0) { perror(name); error = 1; }
1629 4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	109
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	110 /*
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	111 * Initialization.
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	112 */
9290 2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net. Guido van Rossum <guido@python.org> parents: 9079 diff changeset	113
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net. Guido van Rossum <guido@python.org> parents: 9079 diff changeset	114 #ifdef _HAVE_BSDI
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	115 static
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	116 void _noop(void)
9290 2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net. Guido van Rossum <guido@python.org> parents: 9079 diff changeset	117 {
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net. Guido van Rossum <guido@python.org> parents: 9079 diff changeset	118 }
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net. Guido van Rossum <guido@python.org> parents: 9079 diff changeset	119
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	120 static void
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	121 PyThread__init_thread(void)
9290 2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net. Guido van Rossum <guido@python.org> parents: 9079 diff changeset	122 {
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net. Guido van Rossum <guido@python.org> parents: 9079 diff changeset	123 /* DO AN INIT BY STARTING THE THREAD */
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net. Guido van Rossum <guido@python.org> parents: 9079 diff changeset	124 static int dummy = 0;
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net. Guido van Rossum <guido@python.org> parents: 9079 diff changeset	125 pthread_t thread1;
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net. Guido van Rossum <guido@python.org> parents: 9079 diff changeset	126 pthread_create(&thread1, NULL, (void *) _noop, &dummy);
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net. Guido van Rossum <guido@python.org> parents: 9079 diff changeset	127 pthread_join(thread1, NULL);
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net. Guido van Rossum <guido@python.org> parents: 9079 diff changeset	128 }
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net. Guido van Rossum <guido@python.org> parents: 9079 diff changeset	129
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net. Guido van Rossum <guido@python.org> parents: 9079 diff changeset	130 #else /* !_HAVE_BSDI */
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net. Guido van Rossum <guido@python.org> parents: 9079 diff changeset	131
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	132 static void
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	133 PyThread__init_thread(void)
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	134 {
9079 4d2cb212c8d1 Apparently on AIX when using gcc you need to call pthread_init() Guido van Rossum <guido@python.org> parents: 9070 diff changeset	135 #if defined(_AIX) && defined(__GNUC__)
4d2cb212c8d1 Apparently on AIX when using gcc you need to call pthread_init() Guido van Rossum <guido@python.org> parents: 9070 diff changeset	136 pthread_init();
4d2cb212c8d1 Apparently on AIX when using gcc you need to call pthread_init() Guido van Rossum <guido@python.org> parents: 9070 diff changeset	137 #endif
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	138 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	139
9290 2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net. Guido van Rossum <guido@python.org> parents: 9079 diff changeset	140 #endif /* !_HAVE_BSDI */
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net. Guido van Rossum <guido@python.org> parents: 9079 diff changeset	141
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	142 /*
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	143 * Thread support.
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	144 */
1629 4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	145
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	146
20468 ebfd87e87884 Partial patch from SF #452266, by Jason Petrone. Guido van Rossum <guido@python.org> parents: 20431 diff changeset	147 long
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	148 PyThread_start_new_thread(void (func)(void ), void *arg)
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	149 {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	150 pthread_t th;
28687 40d287c3d906 Patch #716969: Detect thread creation failure. Will backport to 2.2. Martin v. Löwis <martin@v.loewis.de> parents: 28673 diff changeset	151 int status;
19826 8ef456949b76 Improve threading on Solaris, according to SF patch #460269, submitted Guido van Rossum <guido@python.org> parents: 19549 diff changeset	152 #if defined(THREAD_STACK_SIZE) \|\| defined(PTHREAD_SYSTEM_SCHED_SUPPORTED)
19549 11a758c56027 GUSI on the Mac creates threads with a default stack size of 20KB, which is Jack Jansen <jack.jansen@cwi.nl> parents: 14375 diff changeset	153 pthread_attr_t attrs;
11a758c56027 GUSI on the Mac creates threads with a default stack size of 20KB, which is Jack Jansen <jack.jansen@cwi.nl> parents: 14375 diff changeset	154 #endif
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	155 #if defined(THREAD_STACK_SIZE)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	156 size_t tss;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	157 #endif
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	158
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 9290 diff changeset	159 dprintf(("PyThread_start_new_thread called\n"));
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	160 if (!initialized)
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 9290 diff changeset	161 PyThread_init_thread();
5493 ef93d51dab36 Support for various versions of the pthread draft. Guido van Rossum <guido@python.org> parents: 5395 diff changeset	162
19826 8ef456949b76 Improve threading on Solaris, according to SF patch #460269, submitted Guido van Rossum <guido@python.org> parents: 19549 diff changeset	163 #if defined(THREAD_STACK_SIZE) \|\| defined(PTHREAD_SYSTEM_SCHED_SUPPORTED)
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	164 if (pthread_attr_init(&attrs) != 0)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	165 return -1;
19826 8ef456949b76 Improve threading on Solaris, according to SF patch #460269, submitted Guido van Rossum <guido@python.org> parents: 19549 diff changeset	166 #endif
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	167 #if defined(THREAD_STACK_SIZE)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	168 tss = (_pythread_stacksize != 0) ? _pythread_stacksize
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	169 : THREAD_STACK_SIZE;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	170 if (tss != 0) {
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	171 if (pthread_attr_setstacksize(&attrs, tss) != 0) {
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	172 pthread_attr_destroy(&attrs);
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	173 return -1;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	174 }
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	175 }
19549 11a758c56027 GUSI on the Mac creates threads with a default stack size of 20KB, which is Jack Jansen <jack.jansen@cwi.nl> parents: 14375 diff changeset	176 #endif
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 35607 diff changeset	177 #if defined(PTHREAD_SYSTEM_SCHED_SUPPORTED)
19826 8ef456949b76 Improve threading on Solaris, according to SF patch #460269, submitted Guido van Rossum <guido@python.org> parents: 19549 diff changeset	178 pthread_attr_setscope(&attrs, PTHREAD_SCOPE_SYSTEM);
8ef456949b76 Improve threading on Solaris, according to SF patch #460269, submitted Guido van Rossum <guido@python.org> parents: 19549 diff changeset	179 #endif
20398 c9a212329da6 Add SF patch #468347 -- mask signals for non-main pthreads, by Jason Lowe: Guido van Rossum <guido@python.org> parents: 19826 diff changeset	180
28687 40d287c3d906 Patch #716969: Detect thread creation failure. Will backport to 2.2. Martin v. Löwis <martin@v.loewis.de> parents: 28673 diff changeset	181 status = pthread_create(&th,
19826 8ef456949b76 Improve threading on Solaris, according to SF patch #460269, submitted Guido van Rossum <guido@python.org> parents: 19549 diff changeset	182 #if defined(THREAD_STACK_SIZE) \|\| defined(PTHREAD_SYSTEM_SCHED_SUPPORTED)
19549 11a758c56027 GUSI on the Mac creates threads with a default stack size of 20KB, which is Jack Jansen <jack.jansen@cwi.nl> parents: 14375 diff changeset	183 &attrs,
11a758c56027 GUSI on the Mac creates threads with a default stack size of 20KB, which is Jack Jansen <jack.jansen@cwi.nl> parents: 14375 diff changeset	184 #else
5493 ef93d51dab36 Support for various versions of the pthread draft. Guido van Rossum <guido@python.org> parents: 5395 diff changeset	185 (pthread_attr_t*)NULL,
19549 11a758c56027 GUSI on the Mac creates threads with a default stack size of 20KB, which is Jack Jansen <jack.jansen@cwi.nl> parents: 14375 diff changeset	186 #endif
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	187 (void* ()(void ))func,
5493 ef93d51dab36 Support for various versions of the pthread draft. Guido van Rossum <guido@python.org> parents: 5395 diff changeset	188 (void *)arg
ef93d51dab36 Support for various versions of the pthread draft. Guido van Rossum <guido@python.org> parents: 5395 diff changeset	189 );
20398 c9a212329da6 Add SF patch #468347 -- mask signals for non-main pthreads, by Jason Lowe: Guido van Rossum <guido@python.org> parents: 19826 diff changeset	190
20922 7a991d012cd6 Fix memory leak. This is part of SF patch #478006. Fred Drake <fdrake@acm.org> parents: 20468 diff changeset	191 #if defined(THREAD_STACK_SIZE) \|\| defined(PTHREAD_SYSTEM_SCHED_SUPPORTED)
19549 11a758c56027 GUSI on the Mac creates threads with a default stack size of 20KB, which is Jack Jansen <jack.jansen@cwi.nl> parents: 14375 diff changeset	192 pthread_attr_destroy(&attrs);
11a758c56027 GUSI on the Mac creates threads with a default stack size of 20KB, which is Jack Jansen <jack.jansen@cwi.nl> parents: 14375 diff changeset	193 #endif
28687 40d287c3d906 Patch #716969: Detect thread creation failure. Will backport to 2.2. Martin v. Löwis <martin@v.loewis.de> parents: 28673 diff changeset	194 if (status != 0)
40d287c3d906 Patch #716969: Detect thread creation failure. Will backport to 2.2. Martin v. Löwis <martin@v.loewis.de> parents: 28673 diff changeset	195 return -1;
40d287c3d906 Patch #716969: Detect thread creation failure. Will backport to 2.2. Martin v. Löwis <martin@v.loewis.de> parents: 28673 diff changeset	196
40d287c3d906 Patch #716969: Detect thread creation failure. Will backport to 2.2. Martin v. Löwis <martin@v.loewis.de> parents: 28673 diff changeset	197 pthread_detach(th);
40d287c3d906 Patch #716969: Detect thread creation failure. Will backport to 2.2. Martin v. Löwis <martin@v.loewis.de> parents: 28673 diff changeset	198
20468 ebfd87e87884 Partial patch from SF #452266, by Jason Petrone. Guido van Rossum <guido@python.org> parents: 20431 diff changeset	199 #if SIZEOF_PTHREAD_T <= SIZEOF_LONG
ebfd87e87884 Partial patch from SF #452266, by Jason Petrone. Guido van Rossum <guido@python.org> parents: 20431 diff changeset	200 return (long) th;
ebfd87e87884 Partial patch from SF #452266, by Jason Petrone. Guido van Rossum <guido@python.org> parents: 20431 diff changeset	201 #else
ebfd87e87884 Partial patch from SF #452266, by Jason Petrone. Guido van Rossum <guido@python.org> parents: 20431 diff changeset	202 return (long) (long ) &th;
ebfd87e87884 Partial patch from SF #452266, by Jason Petrone. Guido van Rossum <guido@python.org> parents: 20431 diff changeset	203 #endif
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	204 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	205
14144 31cda87e9ff4 This patch partly (some stuff went in already) ports Python to Monterey. Trent Mick <trentm@activestate.com> parents: 13658 diff changeset	206 /* XXX This implementation is considered (to quote Tim Peters) "inherently
31cda87e9ff4 This patch partly (some stuff went in already) ports Python to Monterey. Trent Mick <trentm@activestate.com> parents: 13658 diff changeset	207 hosed" because:
31611 0979fa062deb typo Skip Montanaro <skip@pobox.com> parents: 31470 diff changeset	208 - It does not guarantee the promise that a non-zero integer is returned.
14144 31cda87e9ff4 This patch partly (some stuff went in already) ports Python to Monterey. Trent Mick <trentm@activestate.com> parents: 13658 diff changeset	209 - The cast to long is inherently unsafe.
31cda87e9ff4 This patch partly (some stuff went in already) ports Python to Monterey. Trent Mick <trentm@activestate.com> parents: 13658 diff changeset	210 - It is not clear that the 'volatile' (for AIX?) and ugly casting in the
31cda87e9ff4 This patch partly (some stuff went in already) ports Python to Monterey. Trent Mick <trentm@activestate.com> parents: 13658 diff changeset	211 latter return statement (for Alpha OSF/1) are any longer necessary.
31cda87e9ff4 This patch partly (some stuff went in already) ports Python to Monterey. Trent Mick <trentm@activestate.com> parents: 13658 diff changeset	212 */
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	213 long
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	214 PyThread_get_thread_ident(void)
1651 7e5f97bab1e6 ceval.c: dict of local mapping is now a tuple Guido van Rossum <guido@python.org> parents: 1629 diff changeset	215 {
9055 5bc64efc65e0 Add a 'volatile' to the declaration of threadid in get_thread_ident(). Guido van Rossum <guido@python.org> parents: 8343 diff changeset	216 volatile pthread_t threadid;
1651 7e5f97bab1e6 ceval.c: dict of local mapping is now a tuple Guido van Rossum <guido@python.org> parents: 1629 diff changeset	217 if (!initialized)
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 9290 diff changeset	218 PyThread_init_thread();
2097 e4588404fdff Alpha OSF/1 fix Guido van Rossum <guido@python.org> parents: 2062 diff changeset	219 /* Jump through some hoops for Alpha OSF/1 */
e4588404fdff Alpha OSF/1 fix Guido van Rossum <guido@python.org> parents: 2062 diff changeset	220 threadid = pthread_self();
14144 31cda87e9ff4 This patch partly (some stuff went in already) ports Python to Monterey. Trent Mick <trentm@activestate.com> parents: 13658 diff changeset	221 #if SIZEOF_PTHREAD_T <= SIZEOF_LONG
31cda87e9ff4 This patch partly (some stuff went in already) ports Python to Monterey. Trent Mick <trentm@activestate.com> parents: 13658 diff changeset	222 return (long) threadid;
31cda87e9ff4 This patch partly (some stuff went in already) ports Python to Monterey. Trent Mick <trentm@activestate.com> parents: 13658 diff changeset	223 #else
2097 e4588404fdff Alpha OSF/1 fix Guido van Rossum <guido@python.org> parents: 2062 diff changeset	224 return (long) (long ) &threadid;
14144 31cda87e9ff4 This patch partly (some stuff went in already) ports Python to Monterey. Trent Mick <trentm@activestate.com> parents: 13658 diff changeset	225 #endif
1651 7e5f97bab1e6 ceval.c: dict of local mapping is now a tuple Guido van Rossum <guido@python.org> parents: 1629 diff changeset	226 }
7e5f97bab1e6 ceval.c: dict of local mapping is now a tuple Guido van Rossum <guido@python.org> parents: 1629 diff changeset	227
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	228 static void
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	229 do_PyThread_exit_thread(int no_cleanup)
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	230 {
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 9290 diff changeset	231 dprintf(("PyThread_exit_thread called\n"));
7982 a909a2869ac5 Make new gcc -Wall happy Guido van Rossum <guido@python.org> parents: 5700 diff changeset	232 if (!initialized) {
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	233 if (no_cleanup)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	234 _exit(0);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	235 else
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	236 exit(0);
7982 a909a2869ac5 Make new gcc -Wall happy Guido van Rossum <guido@python.org> parents: 5700 diff changeset	237 }
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	238 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	239
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	240 void
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	241 PyThread_exit_thread(void)
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	242 {
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 9290 diff changeset	243 do_PyThread_exit_thread(0);
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	244 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	245
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	246 void
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	247 PyThread__exit_thread(void)
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	248 {
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 9290 diff changeset	249 do_PyThread_exit_thread(1);
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	250 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	251
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	252 #ifndef NO_EXIT_PROG
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	253 static void
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	254 do_PyThread_exit_prog(int status, int no_cleanup)
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	255 {
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 9290 diff changeset	256 dprintf(("PyThread_exit_prog(%d) called\n", status));
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	257 if (!initialized)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	258 if (no_cleanup)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	259 _exit(status);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	260 else
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	261 exit(status);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	262 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	263
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	264 void
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	265 PyThread_exit_prog(int status)
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	266 {
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 9290 diff changeset	267 do_PyThread_exit_prog(status, 0);
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	268 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	269
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	270 void
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	271 PyThread__exit_prog(int status)
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	272 {
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 9290 diff changeset	273 do_PyThread_exit_prog(status, 1);
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	274 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	275 #endif /* NO_EXIT_PROG */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	276
22339 6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	277 #ifdef USE_SEMAPHORES
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	278
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	279 /*
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	280 * Lock support.
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	281 */
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	282
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	283 PyThread_type_lock
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	284 PyThread_allocate_lock(void)
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	285 {
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	286 sem_t *lock;
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	287 int status, error = 0;
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	288
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	289 dprintf(("PyThread_allocate_lock called\n"));
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	290 if (!initialized)
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	291 PyThread_init_thread();
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	292
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	293 lock = (sem_t *)malloc(sizeof(sem_t));
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	294
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	295 if (lock) {
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	296 status = sem_init(lock,0,1);
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	297 CHECK_STATUS("sem_init");
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	298
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	299 if (error) {
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	300 free((void *)lock);
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	301 lock = NULL;
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	302 }
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	303 }
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	304
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	305 dprintf(("PyThread_allocate_lock() -> %p\n", lock));
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	306 return (PyThread_type_lock)lock;
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	307 }
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	308
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	309 void
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	310 PyThread_free_lock(PyThread_type_lock lock)
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	311 {
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	312 sem_t thelock = (sem_t )lock;
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	313 int status, error = 0;
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	314
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	315 dprintf(("PyThread_free_lock(%p) called\n", lock));
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	316
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	317 if (!thelock)
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	318 return;
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	319
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	320 status = sem_destroy(thelock);
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	321 CHECK_STATUS("sem_destroy");
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	322
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	323 free((void *)thelock);
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	324 }
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	325
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	326 /*
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	327 * As of February 2002, Cygwin thread implementations mistakenly report error
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	328 * codes in the return value of the sem_ calls (like the pthread_ functions).
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	329 * Correct implementations return -1 and put the code in errno. This supports
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	330 * either.
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	331 */
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	332 static int
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	333 fix_status(int status)
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	334 {
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	335 return (status == -1) ? errno : status;
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	336 }
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	337
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	338 int
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	339 PyThread_acquire_lock(PyThread_type_lock lock, int waitflag)
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	340 {
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	341 int success;
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	342 sem_t thelock = (sem_t )lock;
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	343 int status, error = 0;
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	344
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	345 dprintf(("PyThread_acquire_lock(%p, %d) called\n", lock, waitflag));
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	346
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	347 do {
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	348 if (waitflag)
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	349 status = fix_status(sem_wait(thelock));
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	350 else
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	351 status = fix_status(sem_trywait(thelock));
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	352 } while (status == EINTR); /* Retry if interrupted by a signal */
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	353
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	354 if (waitflag) {
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	355 CHECK_STATUS("sem_wait");
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	356 } else if (status != EAGAIN) {
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	357 CHECK_STATUS("sem_trywait");
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	358 }
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	359
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	360 success = (status == 0) ? 1 : 0;
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	361
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	362 dprintf(("PyThread_acquire_lock(%p, %d) -> %d\n", lock, waitflag, success));
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	363 return success;
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	364 }
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	365
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	366 void
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	367 PyThread_release_lock(PyThread_type_lock lock)
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	368 {
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	369 sem_t thelock = (sem_t )lock;
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	370 int status, error = 0;
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	371
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	372 dprintf(("PyThread_release_lock(%p) called\n", lock));
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	373
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	374 status = sem_post(thelock);
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	375 CHECK_STATUS("sem_post");
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	376 }
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	377
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	378 #else /* USE_SEMAPHORES */
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	379
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	380 /*
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	381 * Lock support.
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	382 */
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	383 PyThread_type_lock
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	384 PyThread_allocate_lock(void)
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	385 {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	386 pthread_lock *lock;
1629 4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	387 int status, error = 0;
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	388
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 9290 diff changeset	389 dprintf(("PyThread_allocate_lock called\n"));
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	390 if (!initialized)
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 9290 diff changeset	391 PyThread_init_thread();
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	392
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	393 lock = (pthread_lock *) malloc(sizeof(pthread_lock));
1629 4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	394 if (lock) {
35607 5a8bf8e7d010 Don't call memset() before checking that the ptr is not NULL. Armin Rigo <arigo@tunes.org> parents: 34824 diff changeset	395 memset((void *)lock, '\0', sizeof(pthread_lock));
1629 4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	396 lock->locked = 0;
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	397
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	398 status = pthread_mutex_init(&lock->mut,
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	399 pthread_mutexattr_default);
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	400 CHECK_STATUS("pthread_mutex_init");
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	401
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	402 status = pthread_cond_init(&lock->lock_released,
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	403 pthread_condattr_default);
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	404 CHECK_STATUS("pthread_cond_init");
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	405
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	406 if (error) {
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	407 free((void *)lock);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	408 lock = 0;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	409 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	410 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	411
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 10400 diff changeset	412 dprintf(("PyThread_allocate_lock() -> %p\n", lock));
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 9290 diff changeset	413 return (PyThread_type_lock) lock;
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	414 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	415
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	416 void
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	417 PyThread_free_lock(PyThread_type_lock lock)
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	418 {
1629 4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	419 pthread_lock thelock = (pthread_lock )lock;
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	420 int status, error = 0;
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	421
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 10400 diff changeset	422 dprintf(("PyThread_free_lock(%p) called\n", lock));
1629 4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	423
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	424 status = pthread_mutex_destroy( &thelock->mut );
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	425 CHECK_STATUS("pthread_mutex_destroy");
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	426
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	427 status = pthread_cond_destroy( &thelock->lock_released );
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	428 CHECK_STATUS("pthread_cond_destroy");
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	429
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	430 free((void *)thelock);
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	431 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	432
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	433 int
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	434 PyThread_acquire_lock(PyThread_type_lock lock, int waitflag)
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	435 {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	436 int success;
1629 4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	437 pthread_lock thelock = (pthread_lock )lock;
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	438 int status, error = 0;
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	439
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 10400 diff changeset	440 dprintf(("PyThread_acquire_lock(%p, %d) called\n", lock, waitflag));
1629 4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	441
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	442 status = pthread_mutex_lock( &thelock->mut );
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	443 CHECK_STATUS("pthread_mutex_lock[1]");
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	444 success = thelock->locked == 0;
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	445
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	446 if ( !success && waitflag ) {
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	447 /* continue trying until we get the lock */
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	448
1629 4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	449 /* mut must be locked by me -- part of the condition
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	450 * protocol */
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	451 while ( thelock->locked ) {
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	452 status = pthread_cond_wait(&thelock->lock_released,
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	453 &thelock->mut);
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	454 CHECK_STATUS("pthread_cond_wait");
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	455 }
1629 4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	456 success = 1;
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	457 }
28673 c1ba50790c83 Patch #711835: Remove unnecessary lock operations. Will backport to 2.2. Martin v. Löwis <martin@v.loewis.de> parents: 27320 diff changeset	458 if (success) thelock->locked = 1;
c1ba50790c83 Patch #711835: Remove unnecessary lock operations. Will backport to 2.2. Martin v. Löwis <martin@v.loewis.de> parents: 27320 diff changeset	459 status = pthread_mutex_unlock( &thelock->mut );
c1ba50790c83 Patch #711835: Remove unnecessary lock operations. Will backport to 2.2. Martin v. Löwis <martin@v.loewis.de> parents: 27320 diff changeset	460 CHECK_STATUS("pthread_mutex_unlock[1]");
c1ba50790c83 Patch #711835: Remove unnecessary lock operations. Will backport to 2.2. Martin v. Löwis <martin@v.loewis.de> parents: 27320 diff changeset	461
1629 4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	462 if (error) success = 0;
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 10400 diff changeset	463 dprintf(("PyThread_acquire_lock(%p, %d) -> %d\n", lock, waitflag, success));
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	464 return success;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	465 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	466
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	467 void
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	468 PyThread_release_lock(PyThread_type_lock lock)
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	469 {
1629 4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	470 pthread_lock thelock = (pthread_lock )lock;
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	471 int status, error = 0;
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	472
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 10400 diff changeset	473 dprintf(("PyThread_release_lock(%p) called\n", lock));
1629 4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	474
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	475 status = pthread_mutex_lock( &thelock->mut );
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	476 CHECK_STATUS("pthread_mutex_lock[3]");
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	477
1629 4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	478 thelock->locked = 0;
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	479
1629 4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	480 status = pthread_mutex_unlock( &thelock->mut );
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	481 CHECK_STATUS("pthread_mutex_unlock[3]");
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	482
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	483 /* wake up someone (anyone, if any) waiting on the lock */
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	484 status = pthread_cond_signal( &thelock->lock_released );
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs Guido van Rossum <guido@python.org> parents: 1628 diff changeset	485 CHECK_STATUS("pthread_cond_signal");
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	486 }
22339 6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	487
6c3e32357d91 Patch #525532: Add support for POSIX semaphores. Martin v. Löwis <martin@v.loewis.de> parents: 21766 diff changeset	488 #endif /* USE_SEMAPHORES */
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	489
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	490 /* set the thread stack size.
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	491 * Return 0 if size is valid, -1 if size is invalid,
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	492 * -2 if setting stack size is not supported.
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	493 */
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	494 static int
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	495 _pythread_pthread_set_stacksize(size_t size)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	496 {
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	497 #if defined(THREAD_STACK_SIZE)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	498 pthread_attr_t attrs;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	499 size_t tss_min;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	500 int rc = 0;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	501 #endif
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	502
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	503 /* set to default */
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	504 if (size == 0) {
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	505 _pythread_stacksize = 0;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	506 return 0;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	507 }
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	508
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	509 #if defined(THREAD_STACK_SIZE)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	510 #if defined(PTHREAD_STACK_MIN)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	511 tss_min = PTHREAD_STACK_MIN > THREAD_STACK_MIN ? PTHREAD_STACK_MIN
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	512 : THREAD_STACK_MIN;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	513 #else
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	514 tss_min = THREAD_STACK_MIN;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	515 #endif
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	516 if (size >= tss_min) {
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	517 /* validate stack size by setting thread attribute */
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	518 if (pthread_attr_init(&attrs) == 0) {
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	519 rc = pthread_attr_setstacksize(&attrs, size);
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	520 pthread_attr_destroy(&attrs);
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	521 if (rc == 0) {
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	522 _pythread_stacksize = size;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	523 return 0;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	524 }
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	525 }
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	526 }
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	527 return -1;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	528 #else
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	529 return -2;
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	530 #endif
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	531 }
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	532
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	533 #define THREAD_SET_STACKSIZE(x) _pythread_pthread_set_stacksize(x)

Mercurial > cpython-lru_cache-weakref

annotate Python/thread_pthread.h @ 48499:de0bf60f1245