Function pthread_mutex_trylock

lib_fiber/c/src/common/pthread_patch.c:359–380

}

int pthread_mutex_trylock(pthread_mutex_t *mutex)
{
	const char *myname = "pthread_mutex_trylock";
	DWORD ret;

	if (mutex == NULL) {
		msg_error("%s, %s(%d): input invalid",
			__FILE__, myname, __LINE__);
		return -1;
	}

	ret = WaitForSingleObject(mutex->id, 0);
	if (ret == WAIT_TIMEOUT) {
		return FIBER_ETIME;
	} else if (ret == WAIT_FAILED) {
		msg_error("%s, %s(%d): WaitForSingleObject error(%s)",
			__FILE__, myname, __LINE__, last_serror());
		return -1;
	}

	return 0;
}

int pthread_mutex_unlock(pthread_mutex_t *mutex)
{