osfmk/kern/locks.c

581 	lck_mtx_t		*mutex;
593 		mutex = lck;
595 		mutex = &lck->lck_mtx_ptr->lck_mtx;
606 	if (mutex->lck_mtx_pri == 0)
609 	if (		mutex->lck_mtx_pri < priority	&&
620 	if (mutex->lck_mtx_pri < priority)
621 		mutex->lck_mtx_pri = priority;
623 		self->pending_promoter[self->pending_promoter_index] = mutex;
624 		mutex->lck_mtx_waiters++;
627 	if (self->pending_promoter[self->pending_promoter_index] != mutex) {
628 		self->pending_promoter[++self->pending_promoter_index] = mutex;
629 		mutex->lck_mtx_waiters++;
633 	lck_mtx_ilk_unlock(mutex);
658  * Invoked on acquiring the mutex when there is
670 	lck_mtx_t		*mutex;
673 		mutex = lck;
675 		mutex = &lck->lck_mtx_ptr->lck_mtx;
677 	if (thread->pending_promoter[thread->pending_promoter_index] == mutex) {
681 		mutex->lck_mtx_waiters--;
684 	if (mutex->lck_mtx_waiters > 0) {
685 		integer_t		priority = mutex->lck_mtx_pri;
702 		mutex->lck_mtx_pri = 0;
704 	return (mutex->lck_mtx_waiters);
720 	lck_mtx_t		*mutex;
723 		mutex = lck;
725 		mutex = &lck->lck_mtx_ptr->lck_mtx;
728 		panic("lck_mtx_unlock_wakeup: mutex %p holder %p\n", mutex, holder);
732 	assert(mutex->lck_mtx_waiters > 0);
1034 void 			mutex_free_EXT(lck_mtx_t *mutex);
1035 void 			mutex_init_EXT(lck_mtx_t *mutex, __unused unsigned short tag);
1036 wait_result_t		thread_sleep_mutex_EXT(event_t event, lck_mtx_t *mutex, wait_interrupt_t interruptible);
1037 wait_result_t		thread_sleep_mutex_deadline_EXT(event_t event, lck_mtx_t *mutex, uint64_t deadline, wait_interrupt_t interruptible);
1155         lck_mtx_t               *mutex)
1157         lck_mtx_free(mutex, &LockCompatGroup);
1162         lck_mtx_t               *mutex,
1165         lck_mtx_init(mutex, &LockCompatGroup, LCK_ATTR_NULL);
1171 	lck_mtx_t               *mutex,
1174 	return( lck_mtx_sleep(mutex, LCK_SLEEP_DEFAULT, event, interruptible));
1180 	lck_mtx_t               *mutex,
1184 	return( lck_mtx_sleep_deadline(mutex, LCK_SLEEP_DEFAULT, event, interruptible, deadline));