cpython-lru_cache-weakref: Python/thread

annotate Python/thread_cthread.h @ 13267:4ce255495da3 legacy-trunk

Jack Jansen, Mac patch: If we have stat.h include it if we don't have sys/stat.h

author	Guido van Rossum <guido@python.org>
date	Sat, 01 Jul 2000 01:08:11 +0000
parents	87ee82e5c56d
children	f79434ee41fa

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
3838 5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	11 #include <mach/cthreads.h>
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	12
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	13
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	14 /*
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	15 * Initialization.
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	16 */
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	17 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	18 {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	19 cthread_init();
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	20 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	21
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	22 /*
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	23 * Thread support.
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	24 */
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	25 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	26 {
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	27 int success = 0; /* init not needed when SOLARIS_THREADS and */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	28 /* C_THREADS implemented properly */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	29
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	30 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	31 if (!initialized)
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	32 PyThread_init_thread();
3838 5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	33 /* looks like solaris detaches the thread to never rejoin
5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	34 * so well do it here
5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	35 */
5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	36 cthread_detach(cthread_fork((cthread_fn_t) func, arg));
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	37 return success < 0 ? 0 : 1;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	38 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	39
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	40 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	41 {
7e5f97bab1e6 ceval.c: dict of local mapping is now a tuple Guido van Rossum <guido@python.org> parents: 1629 diff changeset	42 if (!initialized)
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	43 PyThread_init_thread();
3838 5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	44 return (long) cthread_self();
1651 7e5f97bab1e6 ceval.c: dict of local mapping is now a tuple Guido van Rossum <guido@python.org> parents: 1629 diff changeset	45 }
7e5f97bab1e6 ceval.c: dict of local mapping is now a tuple Guido van Rossum <guido@python.org> parents: 1629 diff changeset	46
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	47 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	48 {
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	49 dprintf(("PyThread_exit_thread called\n"));
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	50 if (!initialized)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	51 if (no_cleanup)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	52 _exit(0);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	53 else
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	54 exit(0);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	55 cthread_exit(0);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	56 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	57
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	58 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	59 {
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	60 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	61 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	62
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	63 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	64 {
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	65 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	66 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	67
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	68 #ifndef NO_EXIT_PROG
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	69 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	70 {
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	71 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	72 if (!initialized)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	73 if (no_cleanup)
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	74 _exit(status);
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	75 else
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	76 exit(status);
3838 5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	77 if (no_cleanup)
5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	78 _exit(status);
5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	79 else
5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	80 exit(status);
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	81 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	82
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	83 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	84 {
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	85 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	86 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	87
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	88 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	89 {
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	90 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	91 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	92 #endif /* NO_EXIT_PROG */
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	93
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	94 /*
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	95 * Lock support.
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	96 */
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	97 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	98 {
3838 5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	99 mutex_t lock;
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	100
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	101 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	102 if (!initialized)
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	103 PyThread_init_thread();
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	104
3838 5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	105 lock = mutex_alloc();
5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	106 if (mutex_init(lock)) {
5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	107 perror("mutex_init");
5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	108 free((void *) lock);
5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	109 lock = 0;
5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	110 }
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 9679 diff changeset	111 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: 4503 diff changeset	112 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	113 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	114
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	115 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	116 {
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 9679 diff changeset	117 dprintf(("PyThread_free_lock(%p) called\n", lock));
3838 5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	118 mutex_free(lock);
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	119 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	120
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	121 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	122 {
3838 5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	123 int success = FALSE;
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	124
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 9679 diff changeset	125 dprintf(("PyThread_acquire_lock(%p, %d) called\n", lock, waitflag));
3838 5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	126 if (waitflag) { /* blocking */
5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	127 mutex_lock(lock);
5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	128 success = TRUE;
5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	129 } else { /* non blocking */
5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	130 success = mutex_try_lock(lock);
5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	131 }
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 9679 diff changeset	132 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	133 return success;
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	134 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	135
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	136 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	137 {
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 9679 diff changeset	138 dprintf(("PyThread_release_lock(%p) called\n", lock));
3838 5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	139 mutex_unlock((mutex_t )lock);
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	140 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	141
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	142 /*
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	143 * Semaphore support.
3838 5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	144 *
5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	145 * This implementation is ripped directly from the pthreads implementation.
5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	146 * Which is to say that it is 100% non-functional at this time.
5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	147 *
5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	148 * Assuming the page is still up, documentation can be found at:
5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	149 *
5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	150 * http://www.doc.ic.ac.uk/~mac/manuals/solaris-manual-pages/solaris/usr/man/man2/_lwp_sema_wait.2.html
5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	151 *
5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	152 * Looking at the man page, it seems that one could easily implement a
5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	153 * semaphore using a condition.
5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	154 *
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	155 */
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	156 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	157 {
3838 5aab3f668e84 Changes needed by NeXT (the only platform that seems to use this). Guido van Rossum <guido@python.org> parents: 2062 diff changeset	158 char *sema = 0;
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	159 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	160 if (!initialized)
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	161 PyThread_init_thread();
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	162
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 9679 diff changeset	163 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: 4503 diff changeset	164 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	165 }
a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	166
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	167 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	168 {
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 9679 diff changeset	169 dprintf(("PyThread_free_sema(%p) called\n", sema));
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
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	172 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	173 {
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 9679 diff changeset	174 dprintf(("PyThread_down_sema(%p, %d) called\n", sema, waitflag));
ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 9679 diff changeset	175 dprintf(("PyThread_down_sema(%p) return\n", sema));
4371 c277ee8c669c Sjoerd's thread changes (including down_sema typo fix). Guido van Rossum <guido@python.org> parents: 3838 diff changeset	176 return -1;
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
9679 877d23bd5bdc Thanks to Chris Herborth, the thread primitives now have proper Py* Guido van Rossum <guido@python.org> parents: 4503 diff changeset	179 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	180 {
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 9679 diff changeset	181 dprintf(("PyThread_up_sema(%p)\n", sema));
1628 a9dd2e1ea5c9 Split thread.c into a number of system-specific files. Guido van Rossum <guido@python.org> parents: diff changeset	182 }

Mercurial > cpython-lru_cache-weakref

annotate Python/thread_cthread.h @ 13267:4ce255495da3 legacy-trunk