Mercurial > cpython-lru_cache-weakref

annotate Python/thread_pthread.h @ 26499:76f79bb36fc7 legacy-trunk

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add compile-time errors for unsupported systems.
author Martin v. Löwis <martin@v.loewis.de>
date Mon, 02 Dec 2002 22:17:01 +0000
parents 3731be28e1a3
children 56dbd9079a13
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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
2548e2f323fa Document that _POSIX_SEMAPHORES is predefined.
Martin v. Löwis <martin@v.loewis.de>
parents: 22339
diff changeset
15 /* 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
16 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
17 _POSIX_SEMAPHORES. */
22339
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
18 #ifdef _POSIX_SEMAPHORES
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
19 #include <semaphore.h>
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
20 #include <errno.h>
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
21 #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
22
5493
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
23
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
24 /* try to determine what version of the Pthread Standard is installed.
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
25 * this is important, since all sorts of parameter types changed from
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
26 * draft to draft and there are several (incompatible) drafts in
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
27 * common use. these macros are a start, at least.
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
28 * 12 May 1997 -- david arnold <davida@pobox.com>
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
29 */
3965
9c05ff6fb0a4 Changes necessary for AIX.
Guido van Rossum <guido@python.org>
parents: 3663
diff changeset
30
5493
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
31 #if defined(__ultrix) && defined(__mips) && defined(_DECTHREADS_)
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
32 /* _DECTHREADS_ is defined in cma.h which is included by pthread.h */
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
33 # define PY_PTHREAD_D4
26499
76f79bb36fc7 Add compile-time errors for unsupported systems.
Martin v. Löwis <martin@v.loewis.de>
parents: 25545
diff changeset
34 # error Systems with PY_PTHREAD_D4 are unsupported. See README.
5493
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
35
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
36 #elif defined(__osf__) && defined (__alpha)
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
37 /* _DECTHREADS_ is defined in cma.h which is included by pthread.h */
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
38 # if !defined(_PTHREAD_ENV_ALPHA) || defined(_PTHREAD_USE_D4) || defined(PTHREAD_USE_D4)
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
39 # define PY_PTHREAD_D4
26499
76f79bb36fc7 Add compile-time errors for unsupported systems.
Martin v. Löwis <martin@v.loewis.de>
parents: 25545
diff changeset
40 # error Systems with PY_PTHREAD_D4 are unsupported. See README.
5493
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
41 # else
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
42 # define PY_PTHREAD_STD
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
43 # endif
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
44
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
45 #elif defined(_AIX)
3965
9c05ff6fb0a4 Changes necessary for AIX.
Guido van Rossum <guido@python.org>
parents: 3663
diff changeset
46 /* SCHED_BG_NP is defined if using AIX DCE pthreads
9c05ff6fb0a4 Changes necessary for AIX.
Guido van Rossum <guido@python.org>
parents: 3663
diff changeset
47 * but it is unsupported by AIX 4 pthreads. Default
9c05ff6fb0a4 Changes necessary for AIX.
Guido van Rossum <guido@python.org>
parents: 3663
diff changeset
48 * attributes for AIX 4 pthreads equal to NULL. For
9c05ff6fb0a4 Changes necessary for AIX.
Guido van Rossum <guido@python.org>
parents: 3663
diff changeset
49 * AIX DCE pthreads they should be left unchanged.
9c05ff6fb0a4 Changes necessary for AIX.
Guido van Rossum <guido@python.org>
parents: 3663
diff changeset
50 */
5493
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
51 # if !defined(SCHED_BG_NP)
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
52 # define PY_PTHREAD_STD
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
53 # else
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
54 # define PY_PTHREAD_D7
26499
76f79bb36fc7 Add compile-time errors for unsupported systems.
Martin v. Löwis <martin@v.loewis.de>
parents: 25545
diff changeset
55 # error Systems with PY_PTHREAD_D7 are unsupported. See README.
5493
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
56 # endif
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
57
5599
b5e51ae9f832 DG/UX thread patches (Ross Andrus)
Guido van Rossum <guido@python.org>
parents: 5529
diff changeset
58 #elif defined(__DGUX)
b5e51ae9f832 DG/UX thread patches (Ross Andrus)
Guido van Rossum <guido@python.org>
parents: 5529
diff changeset
59 # define PY_PTHREAD_D6
26499
76f79bb36fc7 Add compile-time errors for unsupported systems.
Martin v. Löwis <martin@v.loewis.de>
parents: 25545
diff changeset
60 # error Systems with PY_PTHREAD_D6 are unsupported. See README.
5700
60fca4783793 Add default case (standard conformance) to avoid piling up
Guido van Rossum <guido@python.org>
parents: 5599
diff changeset
61
8343
1b4a37f37345 Improved version of patch for HPUX from David Arnold.
Guido van Rossum <guido@python.org>
parents: 8250
diff changeset
62 #elif defined(__hpux) && defined(_DECTHREADS_)
8250
50d35bdf2042 Support HPUX 10.20 DCE threads.
Guido van Rossum <guido@python.org>
parents: 7982
diff changeset
63 # define PY_PTHREAD_D4
26499
76f79bb36fc7 Add compile-time errors for unsupported systems.
Martin v. Löwis <martin@v.loewis.de>
parents: 25545
diff changeset
64 # error Systems with PY_PTHREAD_D4 are unsupported. See README.
8250
50d35bdf2042 Support HPUX 10.20 DCE threads.
Guido van Rossum <guido@python.org>
parents: 7982
diff changeset
65
5700
60fca4783793 Add default case (standard conformance) to avoid piling up
Guido van Rossum <guido@python.org>
parents: 5599
diff changeset
66 #else /* Default case */
60fca4783793 Add default case (standard conformance) to avoid piling up
Guido van Rossum <guido@python.org>
parents: 5599
diff changeset
67 # define PY_PTHREAD_STD
60fca4783793 Add default case (standard conformance) to avoid piling up
Guido van Rossum <guido@python.org>
parents: 5599
diff changeset
68
3965
9c05ff6fb0a4 Changes necessary for AIX.
Guido van Rossum <guido@python.org>
parents: 3663
diff changeset
69 #endif
9c05ff6fb0a4 Changes necessary for AIX.
Guido van Rossum <guido@python.org>
parents: 3663
diff changeset
70
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
71 #ifdef USE_GUSI
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
72 /* The Macintosh GUSI I/O library sets the stackspace to
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
73 ** 20KB, much too low. We up it to 64K.
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
74 */
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
75 #define THREAD_STACK_SIZE 0x10000
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
76 #endif
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
77
5493
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
78
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
79 /* set default attribute object for different versions */
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
80
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
81 #if defined(PY_PTHREAD_D4) || defined(PY_PTHREAD_D7)
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
82 # define pthread_attr_default pthread_attr_default
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
83 # define pthread_mutexattr_default pthread_mutexattr_default
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
84 # define pthread_condattr_default pthread_condattr_default
5599
b5e51ae9f832 DG/UX thread patches (Ross Andrus)
Guido van Rossum <guido@python.org>
parents: 5529
diff changeset
85 #elif defined(PY_PTHREAD_STD) || defined(PY_PTHREAD_D6)
5493
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
86 # define pthread_attr_default ((pthread_attr_t *)NULL)
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
87 # define pthread_mutexattr_default ((pthread_mutexattr_t *)NULL)
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
88 # define pthread_condattr_default ((pthread_condattr_t *)NULL)
3965
9c05ff6fb0a4 Changes necessary for AIX.
Guido van Rossum <guido@python.org>
parents: 3663
diff changeset
89 #endif
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
90
5493
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
91
22339
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
92 /* 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
93 * mutexes and condition variables:
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
94 */
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
95 #ifdef _POSIX_SEMAPHORES
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
96 # define USE_SEMAPHORES
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
97 #else
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
98 # undef USE_SEMAPHORES
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
99 #endif
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
100
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
101
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
102 /* 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
103 * 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
104 * 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
105 * 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
106 */
20431
cee0fe5fce11 Do not define _POSIX_THREADS if unistd.h defines it.
Martin v. Löwis <martin@v.loewis.de>
parents: 20398
diff changeset
107 #ifdef HAVE_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
108 # 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
109 #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
110 # 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
111 #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
112
c9a212329da6 Add SF patch #468347 -- mask signals for non-main pthreads, by Jason Lowe:
Guido van Rossum <guido@python.org>
parents: 19826
diff changeset
113
1629
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
114 /* 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
115 * 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
116 * following are undefined:
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
117 * -> 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
118 * -> 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
119 * 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
120 * 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
121 * 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
122 *
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
123 * 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
124 * 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
125 * 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
126 * 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
127 */
1629
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
128
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
129 typedef struct {
1629
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
130 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
131 /* 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
132 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
133 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
134 } pthread_lock;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
135
9290
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net.
Guido van Rossum <guido@python.org>
parents: 9079
diff changeset
136 #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
137
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 * Initialization.
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
140 */
9290
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net.
Guido van Rossum <guido@python.org>
parents: 9079
diff changeset
141
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net.
Guido van Rossum <guido@python.org>
parents: 9079
diff changeset
142 #ifdef _HAVE_BSDI
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
143 static
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
144 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
145 {
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net.
Guido van Rossum <guido@python.org>
parents: 9079
diff changeset
146 }
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net.
Guido van Rossum <guido@python.org>
parents: 9079
diff changeset
147
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
148 static void
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
149 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
150 {
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net.
Guido van Rossum <guido@python.org>
parents: 9079
diff changeset
151 /* 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
152 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
153 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
154 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
155 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
156 }
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net.
Guido van Rossum <guido@python.org>
parents: 9079
diff changeset
157
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net.
Guido van Rossum <guido@python.org>
parents: 9079
diff changeset
158 #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
159
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
160 static void
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
161 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
162 {
9079
4d2cb212c8d1 Apparently on AIX when using gcc you need to call pthread_init()
Guido van Rossum <guido@python.org>
parents: 9070
diff changeset
163 #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
164 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
165 #endif
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
166 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
167
9290
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net.
Guido van Rossum <guido@python.org>
parents: 9079
diff changeset
168 #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
169
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
170 /*
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
171 * Thread support.
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
172 */
1629
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
173
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
174
20468
ebfd87e87884 Partial patch from SF #452266, by Jason Petrone.
Guido van Rossum <guido@python.org>
parents: 20431
diff changeset
175 long
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
176 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
177 {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
178 pthread_t th;
1651
7e5f97bab1e6 ceval.c: dict of local mapping is now a tuple
Guido van Rossum <guido@python.org>
parents: 1629
diff changeset
179 int success;
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 sigset_t oldmask, newmask;
19826
8ef456949b76 Improve threading on Solaris, according to SF patch #460269, submitted
Guido van Rossum <guido@python.org>
parents: 19549
diff changeset
181 #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
182 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
183 #endif
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
184 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
185 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
186 PyThread_init_thread();
5493
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
187
19826
8ef456949b76 Improve threading on Solaris, according to SF patch #460269, submitted
Guido van Rossum <guido@python.org>
parents: 19549
diff changeset
188 #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
189 pthread_attr_init(&attrs);
19826
8ef456949b76 Improve threading on Solaris, according to SF patch #460269, submitted
Guido van Rossum <guido@python.org>
parents: 19549
diff changeset
190 #endif
8ef456949b76 Improve threading on Solaris, according to SF patch #460269, submitted
Guido van Rossum <guido@python.org>
parents: 19549
diff changeset
191 #ifdef THREAD_STACK_SIZE
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_setstacksize(&attrs, THREAD_STACK_SIZE);
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
19826
8ef456949b76 Improve threading on Solaris, according to SF patch #460269, submitted
Guido van Rossum <guido@python.org>
parents: 19549
diff changeset
194 #ifdef PTHREAD_SYSTEM_SCHED_SUPPORTED
8ef456949b76 Improve threading on Solaris, according to SF patch #460269, submitted
Guido van Rossum <guido@python.org>
parents: 19549
diff changeset
195 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
196 #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
197
c9a212329da6 Add SF patch #468347 -- mask signals for non-main pthreads, by Jason Lowe:
Guido van Rossum <guido@python.org>
parents: 19826
diff changeset
198 /* Mask all signals in the current thread before creating the new
c9a212329da6 Add SF patch #468347 -- mask signals for non-main pthreads, by Jason Lowe:
Guido van Rossum <guido@python.org>
parents: 19826
diff changeset
199 * thread. This causes the new thread to start with all signals
c9a212329da6 Add SF patch #468347 -- mask signals for non-main pthreads, by Jason Lowe:
Guido van Rossum <guido@python.org>
parents: 19826
diff changeset
200 * blocked.
c9a212329da6 Add SF patch #468347 -- mask signals for non-main pthreads, by Jason Lowe:
Guido van Rossum <guido@python.org>
parents: 19826
diff changeset
201 */
c9a212329da6 Add SF patch #468347 -- mask signals for non-main pthreads, by Jason Lowe:
Guido van Rossum <guido@python.org>
parents: 19826
diff changeset
202 sigfillset(&newmask);
c9a212329da6 Add SF patch #468347 -- mask signals for non-main pthreads, by Jason Lowe:
Guido van Rossum <guido@python.org>
parents: 19826
diff changeset
203 SET_THREAD_SIGMASK(SIG_BLOCK, &newmask, &oldmask);
c9a212329da6 Add SF patch #468347 -- mask signals for non-main pthreads, by Jason Lowe:
Guido van Rossum <guido@python.org>
parents: 19826
diff changeset
204
5493
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
205 success = pthread_create(&th,
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
206 #if defined(PY_PTHREAD_D4)
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
207 pthread_attr_default,
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
208 (pthread_startroutine_t)func,
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
209 (pthread_addr_t)arg
5599
b5e51ae9f832 DG/UX thread patches (Ross Andrus)
Guido van Rossum <guido@python.org>
parents: 5529
diff changeset
210 #elif defined(PY_PTHREAD_D6)
b5e51ae9f832 DG/UX thread patches (Ross Andrus)
Guido van Rossum <guido@python.org>
parents: 5529
diff changeset
211 pthread_attr_default,
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
212 (void* (*)(void *))func,
5599
b5e51ae9f832 DG/UX thread patches (Ross Andrus)
Guido van Rossum <guido@python.org>
parents: 5529
diff changeset
213 arg
5493
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
214 #elif defined(PY_PTHREAD_D7)
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
215 pthread_attr_default,
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
216 func,
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
217 arg
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
218 #elif defined(PY_PTHREAD_STD)
19826
8ef456949b76 Improve threading on Solaris, according to SF patch #460269, submitted
Guido van Rossum <guido@python.org>
parents: 19549
diff changeset
219 #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
220 &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
221 #else
5493
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
222 (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
223 #endif
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
224 (void* (*)(void *))func,
5493
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
225 (void *)arg
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
226 #endif
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
227 );
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
228
c9a212329da6 Add SF patch #468347 -- mask signals for non-main pthreads, by Jason Lowe:
Guido van Rossum <guido@python.org>
parents: 19826
diff changeset
229 /* Restore signal mask for original thread */
c9a212329da6 Add SF patch #468347 -- mask signals for non-main pthreads, by Jason Lowe:
Guido van Rossum <guido@python.org>
parents: 19826
diff changeset
230 SET_THREAD_SIGMASK(SIG_SETMASK, &oldmask, NULL);
c9a212329da6 Add SF patch #468347 -- mask signals for non-main pthreads, by Jason Lowe:
Guido van Rossum <guido@python.org>
parents: 19826
diff changeset
231
20922
7a991d012cd6 Fix memory leak. This is part of SF patch #478006.
Fred Drake <fdrake@acm.org>
parents: 20468
diff changeset
232 #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
233 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
234 #endif
10400
94ad90fd2712 Rob Riggs wrote:
Guido van Rossum <guido@python.org>
parents: 9679
diff changeset
235 if (success == 0) {
9070
c2cbe9acfc8e Correct typo in #ifdef: PY_THREAD_D4, should be PY_PTHREAD_D4.
Guido van Rossum <guido@python.org>
parents: 9055
diff changeset
236 #if defined(PY_PTHREAD_D4) || defined(PY_PTHREAD_D6) || defined(PY_PTHREAD_D7)
5493
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
237 pthread_detach(&th);
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
238 #elif defined(PY_PTHREAD_STD)
5395
2c81d7d68ed3 Add detach call so threads are GC'ed.
Guido van Rossum <guido@python.org>
parents: 4994
diff changeset
239 pthread_detach(th);
5493
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
240 #endif
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
241 }
20468
ebfd87e87884 Partial patch from SF #452266, by Jason Petrone.
Guido van Rossum <guido@python.org>
parents: 20431
diff changeset
242 #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
243 return (long) th;
ebfd87e87884 Partial patch from SF #452266, by Jason Petrone.
Guido van Rossum <guido@python.org>
parents: 20431
diff changeset
244 #else
ebfd87e87884 Partial patch from SF #452266, by Jason Petrone.
Guido van Rossum <guido@python.org>
parents: 20431
diff changeset
245 return (long) *(long *) &th;
ebfd87e87884 Partial patch from SF #452266, by Jason Petrone.
Guido van Rossum <guido@python.org>
parents: 20431
diff changeset
246 #endif
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
247 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
248
14144
31cda87e9ff4 This patch partly (some stuff went in already) ports Python to Monterey.
Trent Mick <trentm@activestate.com>
parents: 13658
diff changeset
249 /* 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
250 hosed" because:
31cda87e9ff4 This patch partly (some stuff went in already) ports Python to Monterey.
Trent Mick <trentm@activestate.com>
parents: 13658
diff changeset
251 - It does not guanrantee the promise that a non-zero integer is returned.
31cda87e9ff4 This patch partly (some stuff went in already) ports Python to Monterey.
Trent Mick <trentm@activestate.com>
parents: 13658
diff changeset
252 - 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
253 - 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
254 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
255 */
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
256 long
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
257 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
258 {
9055
5bc64efc65e0 Add a 'volatile' to the declaration of threadid in get_thread_ident().
Guido van Rossum <guido@python.org>
parents: 8343
diff changeset
259 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
260 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
261 PyThread_init_thread();
2097
e4588404fdff Alpha OSF/1 fix
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
262 /* Jump through some hoops for Alpha OSF/1 */
e4588404fdff Alpha OSF/1 fix
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
263 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
264 #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
265 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
266 #else
2097
e4588404fdff Alpha OSF/1 fix
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
267 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
268 #endif
1651
7e5f97bab1e6 ceval.c: dict of local mapping is now a tuple
Guido van Rossum <guido@python.org>
parents: 1629
diff changeset
269 }
7e5f97bab1e6 ceval.c: dict of local mapping is now a tuple
Guido van Rossum <guido@python.org>
parents: 1629
diff changeset
270
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
271 static void
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
272 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
273 {
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
274 dprintf(("PyThread_exit_thread called\n"));
7982
a909a2869ac5 Make new gcc -Wall happy
Guido van Rossum <guido@python.org>
parents: 5700
diff changeset
275 if (!initialized) {
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
276 if (no_cleanup)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
277 _exit(0);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
278 else
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
279 exit(0);
7982
a909a2869ac5 Make new gcc -Wall happy
Guido van Rossum <guido@python.org>
parents: 5700
diff changeset
280 }
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
281 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
282
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
283 void
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
284 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
285 {
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
286 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
287 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
288
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
289 void
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
290 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
291 {
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
292 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
293 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
294
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
295 #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
296 static void
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
297 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
298 {
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
299 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
300 if (!initialized)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
301 if (no_cleanup)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
302 _exit(status);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
303 else
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
304 exit(status);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
305 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
306
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
307 void
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
308 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
309 {
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
310 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
311 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
312
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
313 void
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
314 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
315 {
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
316 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
317 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
318 #endif /* NO_EXIT_PROG */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
319
22339
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
320 #ifdef USE_SEMAPHORES
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
321
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 * Lock support.
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 PyThread_type_lock
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
327 PyThread_allocate_lock(void)
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
328 {
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
329 sem_t *lock;
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
330 int status, error = 0;
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 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
333 if (!initialized)
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
334 PyThread_init_thread();
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
335
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
336 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
337
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
338 if (lock) {
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
339 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
340 CHECK_STATUS("sem_init");
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
341
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
342 if (error) {
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
343 free((void *)lock);
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
344 lock = NULL;
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
345 }
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
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
348 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
349 return (PyThread_type_lock)lock;
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
350 }
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
351
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
352 void
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
353 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
354 {
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
355 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
356 int status, error = 0;
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
357
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
358 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
359
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
360 if (!thelock)
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
361 return;
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
362
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
363 status = sem_destroy(thelock);
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
364 CHECK_STATUS("sem_destroy");
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 free((void *)thelock);
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
367 }
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 /*
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
370 * 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
371 * 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
372 * 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
373 * either.
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
374 */
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
375 static int
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
376 fix_status(int status)
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 return (status == -1) ? errno : status;
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
379 }
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
380
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
381 int
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
382 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
383 {
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
384 int success;
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
385 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
386 int status, error = 0;
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
387
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
388 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
389
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
390 do {
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
391 if (waitflag)
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
392 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
393 else
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
394 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
395 } 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
396
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
397 if (waitflag) {
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
398 CHECK_STATUS("sem_wait");
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
399 } else if (status != EAGAIN) {
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
400 CHECK_STATUS("sem_trywait");
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
401 }
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
402
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
403 success = (status == 0) ? 1 : 0;
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
404
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
405 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
406 return success;
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
407 }
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
408
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
409 void
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
410 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
411 {
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
412 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
413 int status, error = 0;
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
414
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
415 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
416
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
417 status = sem_post(thelock);
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
418 CHECK_STATUS("sem_post");
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
419 }
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
420
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
421 #else /* USE_SEMAPHORES */
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
422
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
423 /*
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
424 * Lock support.
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
425 */
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
426 PyThread_type_lock
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
427 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
428 {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
429 pthread_lock *lock;
1629
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
430 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
431
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
432 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
433 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
434 PyThread_init_thread();
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 lock = (pthread_lock *) malloc(sizeof(pthread_lock));
9290
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net.
Guido van Rossum <guido@python.org>
parents: 9079
diff changeset
437 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
438 if (lock) {
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
439 lock->locked = 0;
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
440
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
441 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
442 pthread_mutexattr_default);
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_init");
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
444
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
445 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
446 pthread_condattr_default);
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
447 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
448
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
449 if (error) {
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
450 free((void *)lock);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
451 lock = 0;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
452 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
453 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
454
13210
ff243b0f16ee Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 10400
diff changeset
455 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
456 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
457 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
458
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
459 void
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
460 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
461 {
1629
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
462 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
463 int status, error = 0;
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
464
13210
ff243b0f16ee Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 10400
diff changeset
465 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
466
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
467 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
468 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
469
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
470 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
471 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
472
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
473 free((void *)thelock);
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
474 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
475
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
476 int
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
477 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
478 {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
479 int success;
1629
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
480 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
481 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
482
13210
ff243b0f16ee Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 10400
diff changeset
483 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
484
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
485 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
486 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
487 success = thelock->locked == 0;
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
488 if (success) thelock->locked = 1;
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
489 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
490 CHECK_STATUS("pthread_mutex_unlock[1]");
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
491
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
492 if ( !success && waitflag ) {
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
493 /* 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
494
1629
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
495 /* 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
496 * protocol */
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
497 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
498 CHECK_STATUS("pthread_mutex_lock[2]");
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
499 while ( thelock->locked ) {
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
500 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
501 &thelock->mut);
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
502 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
503 }
1629
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
504 thelock->locked = 1;
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
505 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
506 CHECK_STATUS("pthread_mutex_unlock[2]");
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
507 success = 1;
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
508 }
1629
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
509 if (error) success = 0;
13210
ff243b0f16ee Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 10400
diff changeset
510 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
511 return success;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
512 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
513
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
514 void
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13256
diff changeset
515 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
516 {
1629
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
517 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
518 int status, error = 0;
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
519
13210
ff243b0f16ee Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 10400
diff changeset
520 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
521
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
522 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
523 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
524
1629
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
525 thelock->locked = 0;
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
526
1629
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
527 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
528 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
529
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
530 /* 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
531 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
532 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
533 }
22339
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
534
6c3e32357d91 Patch #525532: Add support for POSIX semaphores.
Martin v. Löwis <martin@v.loewis.de>
parents: 21766
diff changeset
535 #endif /* USE_SEMAPHORES */