cpython-lru_cache-weakref: Python/thread

annotate Python/thread_pth.h @ 15164:8930ec3bc00a legacy-trunk

Added additional test cases for pulldom modifications.

author	Lars Gustäbel <lars@gustaebel.de>
date	Wed, 11 Oct 2000 22:36:00 +0000
parents	6f6f965c5e2d
children	5aa8c5aaffad

rev	line source
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	1
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	2 /* GNU pth threads interface
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	3 http://www.gnu.org/software/pth
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	4 2000-05-03 Andy Dustman <andy@dustman.net>
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	5
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	6 Adapted from Posix threads interface
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	7 12 May 1997 -- david arnold <davida@pobox.com>
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	8 */
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	9
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	10 #include <stdlib.h>
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	11 #include <string.h>
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	12 #include <pth.h>
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	13
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	14 /* A pth mutex isn't sufficient to model the Python lock type
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	15 * because pth mutexes can be acquired multiple times by the
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	16 * same thread.
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	17 *
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	18 * The pth_lock struct implements a Python lock as a "locked?" bit
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	19 * and a <condition, mutex> pair. In general, if the bit can be acquired
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	20 * instantly, it is, else the pair is used to block the thread until the
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	21 * bit is cleared.
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	22 */
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	23
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	24 typedef struct {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	25 char locked; /* 0=unlocked, 1=locked */
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	26 /* a <cond, mutex> pair to handle an acquire of a locked lock */
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	27 pth_cond_t lock_released;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	28 pth_mutex_t mut;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	29 } pth_lock;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	30
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	31 #define CHECK_STATUS(name) if (status == -1) { printf("%d ", status); perror(name); error = 1; }
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	32
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	33 /*
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	34 * Initialization.
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	35 */
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	36
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	37 static void PyThread__init_thread(void)
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	38 {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	39 pth_init();
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	40 }
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	41
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	42 /*
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	43 * Thread support.
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	44 */
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	45
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	46
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	47 int PyThread_start_new_thread(void (func)(void ), void *arg)
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	48 {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	49 pth_t th;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	50 int success;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	51 dprintf(("PyThread_start_new_thread called\n"));
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	52 if (!initialized)
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	53 PyThread_init_thread();
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	54
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	55 th = pth_spawn(PTH_ATTR_DEFAULT,
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	56 (void* ()(void ))func,
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	57 (void *)arg
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	58 );
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	59
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	60 return th == NULL ? 0 : 1;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	61 }
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	62
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	63 long PyThread_get_thread_ident(void)
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	64 {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	65 volatile pth_t threadid;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	66 if (!initialized)
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	67 PyThread_init_thread();
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	68 /* Jump through some hoops for Alpha OSF/1 */
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	69 threadid = pth_self();
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	70 return (long) (long ) &threadid;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	71 }
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	72
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	73 static void do_PyThread_exit_thread(int no_cleanup)
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	74 {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	75 dprintf(("PyThread_exit_thread called\n"));
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	76 if (!initialized) {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	77 if (no_cleanup)
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	78 _exit(0);
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	79 else
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	80 exit(0);
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	81 }
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	82 }
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	83
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	84 void PyThread_exit_thread(void)
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	85 {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	86 do_PyThread_exit_thread(0);
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	87 }
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	88
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	89 void PyThread__exit_thread(void)
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	90 {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	91 do_PyThread_exit_thread(1);
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	92 }
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	93
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	94 #ifndef NO_EXIT_PROG
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	95 static void do_PyThread_exit_prog(int status, int no_cleanup)
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	96 {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	97 dprintf(("PyThread_exit_prog(%d) called\n", status));
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	98 if (!initialized)
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	99 if (no_cleanup)
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	100 _exit(status);
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	101 else
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	102 exit(status);
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	103 }
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	104
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	105 void PyThread_exit_prog(int status)
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	106 {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	107 do_PyThread_exit_prog(status, 0);
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	108 }
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	109
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	110 void PyThread__exit_prog(int status)
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	111 {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	112 do_PyThread_exit_prog(status, 1);
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	113 }
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	114 #endif /* NO_EXIT_PROG */
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	115
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	116 /*
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	117 * Lock support.
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	118 */
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	119 PyThread_type_lock PyThread_allocate_lock(void)
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	120 {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	121 pth_lock *lock;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	122 int status, error = 0;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	123
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	124 dprintf(("PyThread_allocate_lock called\n"));
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	125 if (!initialized)
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	126 PyThread_init_thread();
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	127
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	128 lock = (pth_lock *) malloc(sizeof(pth_lock));
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	129 memset((void *)lock, '\0', sizeof(pth_lock));
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	130 if (lock) {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	131 lock->locked = 0;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	132 status = pth_mutex_init(&lock->mut);
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	133 CHECK_STATUS("pth_mutex_init");
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	134 status = pth_cond_init(&lock->lock_released);
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	135 CHECK_STATUS("pth_cond_init");
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	136 if (error) {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	137 free((void *)lock);
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	138 lock = NULL;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	139 }
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	140 }
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12611 diff changeset	141 dprintf(("PyThread_allocate_lock() -> %p\n", lock));
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	142 return (PyThread_type_lock) lock;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	143 }
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	144
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	145 void PyThread_free_lock(PyThread_type_lock lock)
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	146 {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	147 pth_lock thelock = (pth_lock )lock;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	148 int status, error = 0;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	149
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12611 diff changeset	150 dprintf(("PyThread_free_lock(%p) called\n", lock));
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	151
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	152 free((void *)thelock);
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	153 }
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	154
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	155 int PyThread_acquire_lock(PyThread_type_lock lock, int waitflag)
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	156 {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	157 int success;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	158 pth_lock thelock = (pth_lock )lock;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	159 int status, error = 0;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	160
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12611 diff changeset	161 dprintf(("PyThread_acquire_lock(%p, %d) called\n", lock, waitflag));
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	162
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	163 status = pth_mutex_acquire(&thelock->mut, !waitflag, NULL);
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	164 CHECK_STATUS("pth_mutex_acquire[1]");
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	165 success = thelock->locked == 0;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	166 if (success) thelock->locked = 1;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	167 status = pth_mutex_release( &thelock->mut );
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	168 CHECK_STATUS("pth_mutex_release[1]");
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	169
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	170 if ( !success && waitflag ) {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	171 /* continue trying until we get the lock */
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	172
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	173 /* mut must be locked by me -- part of the condition
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	174 * protocol */
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	175 status = pth_mutex_acquire( &thelock->mut, !waitflag, NULL );
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	176 CHECK_STATUS("pth_mutex_acquire[2]");
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	177 while ( thelock->locked ) {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	178 status = pth_cond_await(&thelock->lock_released,
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	179 &thelock->mut, NULL);
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	180 CHECK_STATUS("pth_cond_await");
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	181 }
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	182 thelock->locked = 1;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	183 status = pth_mutex_release( &thelock->mut );
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	184 CHECK_STATUS("pth_mutex_release[2]");
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	185 success = 1;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	186 }
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	187 if (error) success = 0;
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12611 diff changeset	188 dprintf(("PyThread_acquire_lock(%p, %d) -> %d\n", lock, waitflag, success));
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	189 return success;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	190 }
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	191
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	192 void PyThread_release_lock(PyThread_type_lock lock)
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	193 {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	194 pth_lock thelock = (pth_lock )lock;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	195 int status, error = 0;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	196
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12611 diff changeset	197 dprintf(("PyThread_release_lock(%p) called\n", lock));
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	198
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	199 status = pth_mutex_acquire( &thelock->mut, 0, NULL );
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	200 CHECK_STATUS("pth_mutex_acquire[3]");
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	201
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	202 thelock->locked = 0;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	203
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	204 status = pth_mutex_release( &thelock->mut );
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	205 CHECK_STATUS("pth_mutex_release[3]");
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	206
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	207 /* wake up someone (anyone, if any) waiting on the lock */
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	208 status = pth_cond_notify( &thelock->lock_released, 0 );
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	209 CHECK_STATUS("pth_cond_notify");
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	210 }
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	211
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	212 /*
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	213 * Semaphore support.
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	214 */
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	215
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	216 struct semaphore {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	217 pth_mutex_t mutex;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	218 pth_cond_t cond;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	219 int value;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	220 };
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	221
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	222 PyThread_type_sema PyThread_allocate_sema(int value)
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	223 {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	224 struct semaphore *sema;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	225 int status, error = 0;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	226
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	227 dprintf(("PyThread_allocate_sema called\n"));
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	228 if (!initialized)
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	229 PyThread_init_thread();
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	230
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	231 sema = (struct semaphore *) malloc(sizeof(struct semaphore));
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	232 if (sema != NULL) {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	233 sema->value = value;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	234 status = pth_mutex_init(&sema->mutex);
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	235 CHECK_STATUS("pth_mutex_init");
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	236 status = pth_cond_init(&sema->cond);
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	237 CHECK_STATUS("pth_mutex_init");
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	238 if (error) {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	239 free((void *) sema);
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	240 sema = NULL;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	241 }
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	242 }
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12611 diff changeset	243 dprintf(("PyThread_allocate_sema() -> %p\n", sema));
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	244 return (PyThread_type_sema) sema;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	245 }
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	246
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	247 void PyThread_free_sema(PyThread_type_sema sema)
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	248 {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	249 int status, error = 0;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	250 struct semaphore thesema = (struct semaphore ) sema;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	251
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12611 diff changeset	252 dprintf(("PyThread_free_sema(%p) called\n", sema));
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	253 free((void *) thesema);
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	254 }
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	255
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	256 int PyThread_down_sema(PyThread_type_sema sema, int waitflag)
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	257 {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	258 int status, error = 0, success;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	259 struct semaphore thesema = (struct semaphore ) sema;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	260
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12611 diff changeset	261 dprintf(("PyThread_down_sema(%p, %d) called\n", sema, waitflag));
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	262 status = pth_mutex_acquire(&thesema->mutex, !waitflag, NULL);
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	263 CHECK_STATUS("pth_mutex_acquire");
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	264 if (waitflag) {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	265 while (!error && thesema->value <= 0) {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	266 status = pth_cond_await(&thesema->cond,
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	267 &thesema->mutex, NULL);
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	268 CHECK_STATUS("pth_cond_await");
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	269 }
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	270 }
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	271 if (error)
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	272 success = 0;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	273 else if (thesema->value > 0) {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	274 thesema->value--;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	275 success = 1;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	276 }
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	277 else
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	278 success = 0;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	279 status = pth_mutex_release(&thesema->mutex);
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	280 CHECK_STATUS("pth_mutex_release");
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12611 diff changeset	281 dprintf(("PyThread_down_sema(%p) return\n", sema));
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	282 return success;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	283 }
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	284
13658 f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern' Thomas Wouters <thomas@python.org> parents: 13256 diff changeset	285 void PyThread_up_sema(PyThread_type_sema sema)
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	286 {
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	287 int status, error = 0;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	288 struct semaphore thesema = (struct semaphore ) sema;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	289
13210 ff243b0f16ee Trent Mick <trentm@activestate.com>: Fred Drake <fdrake@acm.org> parents: 12611 diff changeset	290 dprintf(("PyThread_up_sema(%p)\n", sema));
12611 b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	291 status = pth_mutex_acquire(&thesema->mutex, 0, NULL);
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	292 CHECK_STATUS("pth_mutex_acquire");
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	293 thesema->value++;
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	294 status = pth_cond_notify(&thesema->cond, 1);
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	295 CHECK_STATUS("pth_cond_notify");
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	296 status = pth_mutex_release(&thesema->mutex);
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	297 CHECK_STATUS("pth_mutex_release");
b320cf3a98b9 Andy Dustman: add GNU pth user-space thread support. Guido van Rossum <guido@python.org> parents: diff changeset	298 }

Mercurial > cpython-lru_cache-weakref

annotate Python/thread_pth.h @ 15164:8930ec3bc00a legacy-trunk