12 	if (!InitializeCriticalSectionAndSpinCount(&mtx->lock, _CRT_SPINCOUNT))  in mtx_init()
15 	mtx->lock = OS_UNFAIR_LOCK_INIT;  in mtx_init()
17 	mtx->lock = 0;  in mtx_init()
24 	if (pthread_mutex_init(&mtx->lock, &attr) != 0) {  in mtx_init()
41 	pthread_mutex_destroy(&mtx->lock);  in mtx_fini()
50 	EnterCriticalSection(&mtx->lock);  in mtx_lock()
52 	os_unfair_lock_lock(&mtx->lock);  in mtx_lock()
54 	OSSpinLockLock(&mtx->lock);  in mtx_lock()
56 	pthread_mutex_lock(&mtx->lock);  in mtx_lock()
65 	LeaveCriticalSection(&mtx->lock);  in mtx_unlock()
67 	os_unfair_lock_unlock(&mtx->lock);  in mtx_unlock()
69 	OSSpinLockUnlock(&mtx->lock);  in mtx_unlock()
71 	pthread_mutex_unlock(&mtx->lock);  in mtx_unlock()