446 int uv_sem_init(uv_sem_t* sem, unsigned int value) {  in uv_sem_init()  argument
449   err = semaphore_create(mach_task_self(), sem, SYNC_POLICY_FIFO, value);  in uv_sem_init()
462 void uv_sem_destroy(uv_sem_t* sem) {  in uv_sem_destroy()  argument
463   if (semaphore_destroy(mach_task_self(), *sem))  in uv_sem_destroy()
468 void uv_sem_post(uv_sem_t* sem) {  in uv_sem_post()  argument
469   if (semaphore_signal(*sem))  in uv_sem_post()
474 void uv_sem_wait(uv_sem_t* sem) {  in uv_sem_wait()  argument
478     r = semaphore_wait(*sem);  in uv_sem_wait()
486 int uv_sem_trywait(uv_sem_t* sem) {  in uv_sem_trywait()  argument
493   err = semaphore_timedwait(*sem, interval);  in uv_sem_trywait()
548   uv_semaphore_t* sem;  in uv__custom_sem_init()  local
550   sem = uv__malloc(sizeof(*sem));  in uv__custom_sem_init()
551   if (sem == NULL)  in uv__custom_sem_init()
554   if ((err = uv_mutex_init(&sem->mutex)) != 0) {  in uv__custom_sem_init()
555     uv__free(sem);  in uv__custom_sem_init()
559   if ((err = uv_cond_init(&sem->cond)) != 0) {  in uv__custom_sem_init()
560     uv_mutex_destroy(&sem->mutex);  in uv__custom_sem_init()
561     uv__free(sem);  in uv__custom_sem_init()
565   sem->value = value;  in uv__custom_sem_init()
566   *(uv_semaphore_t**)sem_ = sem;  in uv__custom_sem_init()
572   uv_semaphore_t* sem;  in uv__custom_sem_destroy()  local
574   sem = *(uv_semaphore_t**)sem_;  in uv__custom_sem_destroy()
575   uv_cond_destroy(&sem->cond);  in uv__custom_sem_destroy()
576   uv_mutex_destroy(&sem->mutex);  in uv__custom_sem_destroy()
577   uv__free(sem);  in uv__custom_sem_destroy()
582   uv_semaphore_t* sem;  in uv__custom_sem_post()  local
584   sem = *(uv_semaphore_t**)sem_;  in uv__custom_sem_post()
585   uv_mutex_lock(&sem->mutex);  in uv__custom_sem_post()
586   sem->value++;  in uv__custom_sem_post()
587   if (sem->value == 1)  in uv__custom_sem_post()
588     uv_cond_signal(&sem->cond);  in uv__custom_sem_post()
589   uv_mutex_unlock(&sem->mutex);  in uv__custom_sem_post()
594   uv_semaphore_t* sem;  in uv__custom_sem_wait()  local
596   sem = *(uv_semaphore_t**)sem_;  in uv__custom_sem_wait()
597   uv_mutex_lock(&sem->mutex);  in uv__custom_sem_wait()
598   while (sem->value == 0)  in uv__custom_sem_wait()
599     uv_cond_wait(&sem->cond, &sem->mutex);  in uv__custom_sem_wait()
600   sem->value--;  in uv__custom_sem_wait()
601   uv_mutex_unlock(&sem->mutex);  in uv__custom_sem_wait()
606   uv_semaphore_t* sem;  in uv__custom_sem_trywait()  local
608   sem = *(uv_semaphore_t**)sem_;  in uv__custom_sem_trywait()
609   if (uv_mutex_trylock(&sem->mutex) != 0)  in uv__custom_sem_trywait()
612   if (sem->value == 0) {  in uv__custom_sem_trywait()
613     uv_mutex_unlock(&sem->mutex);  in uv__custom_sem_trywait()
617   sem->value--;  in uv__custom_sem_trywait()
618   uv_mutex_unlock(&sem->mutex);  in uv__custom_sem_trywait()
623 static int uv__sem_init(uv_sem_t* sem, unsigned int value) {  in uv__sem_init()  argument
624   if (sem_init(sem, 0, value))  in uv__sem_init()
630 static void uv__sem_destroy(uv_sem_t* sem) {  in uv__sem_destroy()  argument
631   if (sem_destroy(sem))  in uv__sem_destroy()
636 static void uv__sem_post(uv_sem_t* sem) {  in uv__sem_post()  argument
637   if (sem_post(sem))  in uv__sem_post()
642 static void uv__sem_wait(uv_sem_t* sem) {  in uv__sem_wait()  argument
646     r = sem_wait(sem);  in uv__sem_wait()
654 static int uv__sem_trywait(uv_sem_t* sem) {  in uv__sem_trywait()  argument
658     r = sem_trywait(sem);  in uv__sem_trywait()
670 int uv_sem_init(uv_sem_t* sem, unsigned int value) {  in uv_sem_init()  argument
676     return uv__custom_sem_init(sem, value);  in uv_sem_init()
678     return uv__sem_init(sem, value);  in uv_sem_init()
682 void uv_sem_destroy(uv_sem_t* sem) {  in uv_sem_destroy()  argument
684     uv__custom_sem_destroy(sem);  in uv_sem_destroy()
686     uv__sem_destroy(sem);  in uv_sem_destroy()
690 void uv_sem_post(uv_sem_t* sem) {  in uv_sem_post()  argument
692     uv__custom_sem_post(sem);  in uv_sem_post()
694     uv__sem_post(sem);  in uv_sem_post()
698 void uv_sem_wait(uv_sem_t* sem) {  in uv_sem_wait()  argument
700     uv__custom_sem_wait(sem);  in uv_sem_wait()
702     uv__sem_wait(sem);  in uv_sem_wait()
706 int uv_sem_trywait(uv_sem_t* sem) {  in uv_sem_trywait()  argument
708     return uv__custom_sem_trywait(sem);  in uv_sem_trywait()
710     return uv__sem_trywait(sem);  in uv_sem_trywait()