Mercurial > cpython-lru_cache-weakref

annotate Python/thread_pthread.h @ 13266:4c4e95147258 legacy-trunk

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Jack Jansen, Mac patch: Include stat.h if needed; different Mac filename compare
author Guido van Rossum <guido@python.org>
date Sat, 01 Jul 2000 01:06:56 +0000
parents 87ee82e5c56d
children f79434ee41fa
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 /***********************************************************
13255
916fb024ce94 Change copyright notice.
Guido van Rossum <guido@python.org>
parents: 13210
diff changeset
2 Copyright (c) 2000, BeOpen.com.
916fb024ce94 Change copyright notice.
Guido van Rossum <guido@python.org>
parents: 13210
diff changeset
3 Copyright (c) 1995-2000, Corporation for National Research Initiatives.
916fb024ce94 Change copyright notice.
Guido van Rossum <guido@python.org>
parents: 13210
diff changeset
4 Copyright (c) 1990-1995, Stichting Mathematisch Centrum.
916fb024ce94 Change copyright notice.
Guido van Rossum <guido@python.org>
parents: 13210
diff changeset
5 All rights reserved.
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
6
13255
916fb024ce94 Change copyright notice.
Guido van Rossum <guido@python.org>
parents: 13210
diff changeset
7 See the file "Misc/COPYRIGHT" for information on usage and
916fb024ce94 Change copyright notice.
Guido van Rossum <guido@python.org>
parents: 13210
diff changeset
8 redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
9 ******************************************************************/
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
10
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
11 /* Posix threads interface */
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
12
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
13 #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
14 #include <string.h>
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
15 #include <pthread.h>
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
16
5493
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
17
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
18 /* 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
19 * 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
20 * 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
21 * 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
22 * 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
23 */
3965
9c05ff6fb0a4 Changes necessary for AIX.
Guido van Rossum <guido@python.org>
parents: 3663
diff changeset
24
5493
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
25 #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
26 /* _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
27 # define PY_PTHREAD_D4
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
28
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
29 #elif defined(__osf__) && defined (__alpha)
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
30 /* _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
31 # 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
32 # define PY_PTHREAD_D4
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
33 # else
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
34 # define PY_PTHREAD_STD
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
35 # endif
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
36
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
37 #elif defined(_AIX)
3965
9c05ff6fb0a4 Changes necessary for AIX.
Guido van Rossum <guido@python.org>
parents: 3663
diff changeset
38 /* 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
39 * but it is unsupported by AIX 4 pthreads. Default
9c05ff6fb0a4 Changes necessary for AIX.
Guido van Rossum <guido@python.org>
parents: 3663
diff changeset
40 * attributes for AIX 4 pthreads equal to NULL. For
9c05ff6fb0a4 Changes necessary for AIX.
Guido van Rossum <guido@python.org>
parents: 3663
diff changeset
41 * AIX DCE pthreads they should be left unchanged.
9c05ff6fb0a4 Changes necessary for AIX.
Guido van Rossum <guido@python.org>
parents: 3663
diff changeset
42 */
5493
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
43 # if !defined(SCHED_BG_NP)
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
44 # define PY_PTHREAD_STD
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
45 # else
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
46 # define PY_PTHREAD_D7
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
47 # endif
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
48
5599
b5e51ae9f832 DG/UX thread patches (Ross Andrus)
Guido van Rossum <guido@python.org>
parents: 5529
diff changeset
49 #elif defined(__DGUX)
b5e51ae9f832 DG/UX thread patches (Ross Andrus)
Guido van Rossum <guido@python.org>
parents: 5529
diff changeset
50 # define PY_PTHREAD_D6
5700
60fca4783793 Add default case (standard conformance) to avoid piling up
Guido van Rossum <guido@python.org>
parents: 5599
diff changeset
51
8343
1b4a37f37345 Improved version of patch for HPUX from David Arnold.
Guido van Rossum <guido@python.org>
parents: 8250
diff changeset
52 #elif defined(__hpux) && defined(_DECTHREADS_)
8250
50d35bdf2042 Support HPUX 10.20 DCE threads.
Guido van Rossum <guido@python.org>
parents: 7982
diff changeset
53 # define PY_PTHREAD_D4
50d35bdf2042 Support HPUX 10.20 DCE threads.
Guido van Rossum <guido@python.org>
parents: 7982
diff changeset
54
5700
60fca4783793 Add default case (standard conformance) to avoid piling up
Guido van Rossum <guido@python.org>
parents: 5599
diff changeset
55 #else /* Default case */
60fca4783793 Add default case (standard conformance) to avoid piling up
Guido van Rossum <guido@python.org>
parents: 5599
diff changeset
56 # define PY_PTHREAD_STD
60fca4783793 Add default case (standard conformance) to avoid piling up
Guido van Rossum <guido@python.org>
parents: 5599
diff changeset
57
3965
9c05ff6fb0a4 Changes necessary for AIX.
Guido van Rossum <guido@python.org>
parents: 3663
diff changeset
58 #endif
9c05ff6fb0a4 Changes necessary for AIX.
Guido van Rossum <guido@python.org>
parents: 3663
diff changeset
59
5493
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
60
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
61 /* 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
62
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
63 #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
64 # 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
65 # 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
66 # 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
67 #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
68 # 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
69 # 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
70 # define pthread_condattr_default ((pthread_condattr_t *)NULL)
3965
9c05ff6fb0a4 Changes necessary for AIX.
Guido van Rossum <guido@python.org>
parents: 3663
diff changeset
71 #endif
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
72
5493
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
73
1629
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
74 /* 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
75 * 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
76 * following are undefined:
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
77 * -> 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
78 * -> 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
79 * 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
80 * 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
81 * 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
82 *
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
83 * 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
84 * 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
85 * 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
86 * 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
87 */
1629
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
88
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
89 typedef struct {
1629
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
90 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
91 /* 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
92 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
93 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
94 } pthread_lock;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
95
9290
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net.
Guido van Rossum <guido@python.org>
parents: 9079
diff changeset
96 #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
97
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
98 /*
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
99 * Initialization.
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
100 */
9290
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net.
Guido van Rossum <guido@python.org>
parents: 9079
diff changeset
101
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net.
Guido van Rossum <guido@python.org>
parents: 9079
diff changeset
102 #ifdef _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
103 static void _noop()
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net.
Guido van Rossum <guido@python.org>
parents: 9079
diff changeset
104 {
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net.
Guido van Rossum <guido@python.org>
parents: 9079
diff changeset
105 }
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net.
Guido van Rossum <guido@python.org>
parents: 9079
diff changeset
106
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
107 static void PyThread__init_thread _P0()
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 {
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net.
Guido van Rossum <guido@python.org>
parents: 9079
diff changeset
109 /* 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
110 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
111 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
112 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
113 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
114 }
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net.
Guido van Rossum <guido@python.org>
parents: 9079
diff changeset
115
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net.
Guido van Rossum <guido@python.org>
parents: 9079
diff changeset
116 #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
117
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
118 static void PyThread__init_thread _P0()
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
119 {
9079
4d2cb212c8d1 Apparently on AIX when using gcc you need to call pthread_init()
Guido van Rossum <guido@python.org>
parents: 9070
diff changeset
120 #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
121 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
122 #endif
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
123 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
124
9290
2340f615da8f BSDI specific patches, inspired by Nigel Head and otto@mail.olympus.net.
Guido van Rossum <guido@python.org>
parents: 9079
diff changeset
125 #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
126
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
127 /*
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
128 * Thread support.
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
129 */
1629
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
130
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
131
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
132 int PyThread_start_new_thread _P2(func, void (*func) _P((void *)), arg, void *arg)
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
133 {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
134 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
135 int success;
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
136 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
137 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
138 PyThread_init_thread();
5493
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
139
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
140 success = pthread_create(&th,
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
141 #if defined(PY_PTHREAD_D4)
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
142 pthread_attr_default,
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
143 (pthread_startroutine_t)func,
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
144 (pthread_addr_t)arg
5599
b5e51ae9f832 DG/UX thread patches (Ross Andrus)
Guido van Rossum <guido@python.org>
parents: 5529
diff changeset
145 #elif defined(PY_PTHREAD_D6)
b5e51ae9f832 DG/UX thread patches (Ross Andrus)
Guido van Rossum <guido@python.org>
parents: 5529
diff changeset
146 pthread_attr_default,
b5e51ae9f832 DG/UX thread patches (Ross Andrus)
Guido van Rossum <guido@python.org>
parents: 5529
diff changeset
147 (void* (*)_P((void *)))func,
b5e51ae9f832 DG/UX thread patches (Ross Andrus)
Guido van Rossum <guido@python.org>
parents: 5529
diff changeset
148 arg
5493
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
149 #elif defined(PY_PTHREAD_D7)
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
150 pthread_attr_default,
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
151 func,
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
152 arg
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
153 #elif defined(PY_PTHREAD_STD)
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
154 (pthread_attr_t*)NULL,
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
155 (void* (*)_P((void *)))func,
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
156 (void *)arg
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
157 #endif
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
158 );
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
159
10400
94ad90fd2712 Rob Riggs wrote:
Guido van Rossum <guido@python.org>
parents: 9679
diff changeset
160 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
161 #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
162 pthread_detach(&th);
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
163 #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
164 pthread_detach(th);
5493
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
165 #endif
ef93d51dab36 Support for various versions of the pthread draft.
Guido van Rossum <guido@python.org>
parents: 5395
diff changeset
166 }
10400
94ad90fd2712 Rob Riggs wrote:
Guido van Rossum <guido@python.org>
parents: 9679
diff changeset
167 return success != 0 ? 0 : 1;
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
168 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
169
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
170 long PyThread_get_thread_ident _P0()
1651
7e5f97bab1e6 ceval.c: dict of local mapping is now a tuple
Guido van Rossum <guido@python.org>
parents: 1629
diff changeset
171 {
9055
5bc64efc65e0 Add a 'volatile' to the declaration of threadid in get_thread_ident().
Guido van Rossum <guido@python.org>
parents: 8343
diff changeset
172 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
173 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
174 PyThread_init_thread();
2097
e4588404fdff Alpha OSF/1 fix
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
175 /* Jump through some hoops for Alpha OSF/1 */
e4588404fdff Alpha OSF/1 fix
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
176 threadid = pthread_self();
e4588404fdff Alpha OSF/1 fix
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
177 return (long) *(long *) &threadid;
1651
7e5f97bab1e6 ceval.c: dict of local mapping is now a tuple
Guido van Rossum <guido@python.org>
parents: 1629
diff changeset
178 }
7e5f97bab1e6 ceval.c: dict of local mapping is now a tuple
Guido van Rossum <guido@python.org>
parents: 1629
diff changeset
179
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
180 static void do_PyThread_exit_thread _P1(no_cleanup, int no_cleanup)
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
181 {
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
182 dprintf(("PyThread_exit_thread called\n"));
7982
a909a2869ac5 Make new gcc -Wall happy
Guido van Rossum <guido@python.org>
parents: 5700
diff changeset
183 if (!initialized) {
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
184 if (no_cleanup)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
185 _exit(0);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
186 else
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
187 exit(0);
7982
a909a2869ac5 Make new gcc -Wall happy
Guido van Rossum <guido@python.org>
parents: 5700
diff changeset
188 }
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
189 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
190
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
191 void PyThread_exit_thread _P0()
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
192 {
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
193 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
194 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
195
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
196 void PyThread__exit_thread _P0()
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
197 {
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
198 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
199 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
200
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
201 #ifndef NO_EXIT_PROG
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
202 static void do_PyThread_exit_prog _P2(status, int status, no_cleanup, int no_cleanup)
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
203 {
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
204 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
205 if (!initialized)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
206 if (no_cleanup)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
207 _exit(status);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
208 else
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
209 exit(status);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
210 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
211
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
212 void PyThread_exit_prog _P1(status, int status)
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
213 {
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
214 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
215 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
216
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
217 void PyThread__exit_prog _P1(status, int status)
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
218 {
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
219 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
220 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
221 #endif /* NO_EXIT_PROG */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
222
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
223 /*
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
224 * Lock support.
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
225 */
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
226 PyThread_type_lock PyThread_allocate_lock _P0()
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
227 {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
228 pthread_lock *lock;
1629
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
229 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
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_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
232 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
233 PyThread_init_thread();
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
234
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
235 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
236 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
237 if (lock) {
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
238 lock->locked = 0;
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
239
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
240 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
241 pthread_mutexattr_default);
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
242 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
243
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
244 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
245 pthread_condattr_default);
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
246 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
247
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
248 if (error) {
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
249 free((void *)lock);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
250 lock = 0;
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 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
253
13210
ff243b0f16ee Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 10400
diff changeset
254 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
255 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
256 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
257
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
258 void PyThread_free_lock _P1(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
259 {
1629
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
260 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
261 int status, error = 0;
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
262
13210
ff243b0f16ee Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 10400
diff changeset
263 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
264
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
265 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
266 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
267
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
268 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
269 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
270
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
271 free((void *)thelock);
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
272 }
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 int PyThread_acquire_lock _P2(lock, PyThread_type_lock lock, waitflag, int waitflag)
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
275 {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
276 int success;
1629
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
277 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
278 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
279
13210
ff243b0f16ee Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 10400
diff changeset
280 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
281
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
282 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
283 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
284 success = thelock->locked == 0;
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
285 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
286 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
287 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
288
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
289 if ( !success && waitflag ) {
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
290 /* 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
291
1629
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
292 /* 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
293 * protocol */
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
294 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
295 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
296 while ( thelock->locked ) {
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
297 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
298 &thelock->mut);
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
299 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
300 }
1629
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
301 thelock->locked = 1;
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
302 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
303 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
304 success = 1;
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
305 }
1629
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
306 if (error) success = 0;
13210
ff243b0f16ee Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 10400
diff changeset
307 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
308 return success;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
309 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
310
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
311 void PyThread_release_lock _P1(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
312 {
1629
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
313 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
314 int status, error = 0;
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
315
13210
ff243b0f16ee Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 10400
diff changeset
316 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
317
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
318 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
319 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
320
1629
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
321 thelock->locked = 0;
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
322
1629
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
323 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
324 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
325
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
326 /* 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
327 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
328 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
329 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
330
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
331 /*
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
332 * Semaphore support.
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
333 */
4994
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
334
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
335 struct semaphore {
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
336 pthread_mutex_t mutex;
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
337 pthread_cond_t cond;
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
338 int value;
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
339 };
1629
4121afd76d73 Tim's changes; removed some remaining non-functional ifdefs
Guido van Rossum <guido@python.org>
parents: 1628
diff changeset
340
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
341 PyThread_type_sema PyThread_allocate_sema _P1(value, int value)
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
342 {
4994
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
343 struct semaphore *sema;
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
344 int status, error = 0;
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
345
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
346 dprintf(("PyThread_allocate_sema called\n"));
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
347 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
348 PyThread_init_thread();
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
349
4994
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
350 sema = (struct semaphore *) malloc(sizeof(struct semaphore));
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
351 if (sema != NULL) {
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
352 sema->value = value;
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
353 status = pthread_mutex_init(&sema->mutex,
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
354 pthread_mutexattr_default);
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
355 CHECK_STATUS("pthread_mutex_init");
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
356 status = pthread_cond_init(&sema->cond,
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
357 pthread_condattr_default);
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
358 CHECK_STATUS("pthread_cond_init");
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
359 if (error) {
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
360 free((void *) sema);
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
361 sema = NULL;
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
362 }
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
363 }
13210
ff243b0f16ee Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 10400
diff changeset
364 dprintf(("PyThread_allocate_sema() -> %p\n", sema));
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
365 return (PyThread_type_sema) sema;
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
366 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
367
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
368 void PyThread_free_sema _P1(sema, PyThread_type_sema sema)
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
369 {
4994
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
370 int status, error = 0;
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
371 struct semaphore *thesema = (struct semaphore *) sema;
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
372
13210
ff243b0f16ee Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 10400
diff changeset
373 dprintf(("PyThread_free_sema(%p) called\n", sema));
4994
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
374 status = pthread_cond_destroy(&thesema->cond);
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
375 CHECK_STATUS("pthread_cond_destroy");
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
376 status = pthread_mutex_destroy(&thesema->mutex);
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
377 CHECK_STATUS("pthread_mutex_destroy");
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
378 free((void *) thesema);
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
379 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
380
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
381 int PyThread_down_sema _P2(sema, PyThread_type_sema sema, waitflag, int waitflag)
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
382 {
4994
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
383 int status, error = 0, success;
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
384 struct semaphore *thesema = (struct semaphore *) sema;
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
385
13210
ff243b0f16ee Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 10400
diff changeset
386 dprintf(("PyThread_down_sema(%p, %d) called\n", sema, waitflag));
4994
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
387 status = pthread_mutex_lock(&thesema->mutex);
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
388 CHECK_STATUS("pthread_mutex_lock");
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
389 if (waitflag) {
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
390 while (!error && thesema->value <= 0) {
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
391 status = pthread_cond_wait(&thesema->cond,
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
392 &thesema->mutex);
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
393 CHECK_STATUS("pthread_cond_wait");
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
394 }
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
395 }
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
396 if (error)
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
397 success = 0;
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
398 else if (thesema->value > 0) {
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
399 thesema->value--;
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
400 success = 1;
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
401 }
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
402 else
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
403 success = 0;
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
404 status = pthread_mutex_unlock(&thesema->mutex);
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
405 CHECK_STATUS("pthread_mutex_unlock");
13210
ff243b0f16ee Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 10400
diff changeset
406 dprintf(("PyThread_down_sema(%p) return\n", sema));
4994
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
407 return success;
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
408 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
409
9679
877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py*
Guido van Rossum <guido@python.org>
parents: 9290
diff changeset
410 void PyThread_up_sema _P1(sema, PyThread_type_sema sema)
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
411 {
4994
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
412 int status, error = 0;
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
413 struct semaphore *thesema = (struct semaphore *) sema;
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
414
13210
ff243b0f16ee Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 10400
diff changeset
415 dprintf(("PyThread_up_sema(%p)\n", sema));
4994
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
416 status = pthread_mutex_lock(&thesema->mutex);
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
417 CHECK_STATUS("pthread_mutex_lock");
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
418 thesema->value++;
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
419 status = pthread_cond_signal(&thesema->cond);
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
420 CHECK_STATUS("pthread_cond_signal");
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
421 status = pthread_mutex_unlock(&thesema->mutex);
9bc652e9f2b4 Working semaphore implementation by Sjoerd.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
422 CHECK_STATUS("pthread_mutex_unlock");
1628
a9dd2e1ea5c9 Split thread.c into a number of system-specific files.
Guido van Rossum <guido@python.org>
parents:
diff changeset
423 }