private extern class NativePthreadMutex in "C" `{ pthread_mutex_t * `}
	new (attr: NativePthreadMutexAttr) `{
		pthread_mutex_t *mutex = malloc(sizeof(pthread_mutex_t));
		int r = pthread_mutex_init(mutex, attr);
		if (r != 0) {
			free(mutex);
			return NULL;
		}
		return mutex;
	`}

	fun destroy `{ pthread_mutex_destroy(self); `}

	fun lock `{ pthread_mutex_lock(self); `}
	fun try_lock: Bool `{ return pthread_mutex_trylock(self); `}
	fun unlock `{ pthread_mutex_unlock(self); `}
end