Lines Matching defs:mutex

36 	CONTENDED = 2,	/* threads waiting for this mutex */
51 	pthread_mutex_t mutex;
53 	mutex = calloc(1, sizeof(*mutex));
54 	if (mutex == NULL)
58 		mutex->type = PTHREAD_MUTEX_DEFAULT;
59 		mutex->prioceiling = -1;
61 		mutex->type = (*attr)->ma_type;
62 		mutex->prioceiling = (*attr)->ma_protocol ==
65 	*mutexp = mutex;
74 	pthread_mutex_t mutex;
79 	mutex = *mutexp;
80 	if (mutex) {
81 		if (mutex->lock != UNLOCKED) {
82 #define MSG "pthread_mutex_destroy on mutex with waiters!\n"
87 		free((void *)mutex);
96 _rthread_mutex_trylock(pthread_mutex_t mutex, int trywait,
101 	if (atomic_cas_uint(&mutex->lock, UNLOCKED, LOCKED) == UNLOCKED) {
103 		mutex->owner = self;
107 	if (mutex->owner == self) {
108 		int type = mutex->type;
120 			while (_twait(&mutex->type, type, CLOCK_REALTIME,
125 			if (mutex->count == INT_MAX)
127 			mutex->count++;
140 	pthread_mutex_t mutex;
148 	 * If the mutex is statically initialized, perform the dynamic
150 	 * pthread_mutex_lock() to perform the mutex init when *mutexp
162 	mutex = *mutexp;
164 	    (timed ? "timed" : (trywait ? "try" : "")), (void *)mutex,
165 	    (void *)mutex->owner);
167 	error = _rthread_mutex_trylock(mutex, trywait, abs);
173 		if (mutex->lock == UNLOCKED)
179 	lock = atomic_cas_uint(&mutex->lock, UNLOCKED, LOCKED);
182 		mutex->owner = self;
187 		/* Indicate that we're waiting on this mutex. */
188 		lock = atomic_swap_uint(&mutex->lock, CONTENDED);
192 		error = _twait(&mutex->lock, CONTENDED, CLOCK_REALTIME, abs);
199 		lock = atomic_swap_uint(&mutex->lock, CONTENDED);
203 	mutex->owner = self;
230 	pthread_mutex_t mutex;
244 	mutex = *mutexp;
245 	_rthread_debug(5, "%p: mutex_unlock %p (%p)\n", self, (void *)mutex,
246 	    (void *)mutex->owner);
248 	if (mutex->owner != self) {
249 	_rthread_debug(5, "%p: different owner %p (%p)\n", self, (void *)mutex,
250 	    (void *)mutex->owner);
251 		if (mutex->type == PTHREAD_MUTEX_ERRORCHECK ||
252 		    mutex->type == PTHREAD_MUTEX_RECURSIVE) {
256 			 * For mutex type NORMAL our undefined behavior for
257 			 * unlocking an unlocked mutex is to succeed without
261 			if (mutex->owner == NULL &&
262 			    mutex->type == PTHREAD_MUTEX_NORMAL)
270 	if (mutex->type == PTHREAD_MUTEX_RECURSIVE) {
271 		if (mutex->count > 0) {
272 			mutex->count--;
277 	mutex->owner = NULL;
279 	if (atomic_dec_int_nv(&mutex->lock) != UNLOCKED) {
280 		mutex->lock = UNLOCKED;
281 		_wake(&mutex->lock, 1);