C++ (Cpp) _raw_read_trylock示例

示例#1

文件： spinlock.c 项目： OpenHMR/Open-HMR600

int __lockfunc _read_trylock(rwlock_t *lock)
{
	preempt_disable();
	if (_raw_read_trylock(lock))
		return 1;

	preempt_enable();
	return 0;
}

示例#2

int __lockfunc _read_trylock(rwlock_t *lock)
{
	preempt_disable();
	if (_raw_read_trylock(lock)) {
		rwlock_acquire_read(&lock->dep_map, 0, 1, _RET_IP_);
		return 1;
	}

	preempt_enable();
	return 0;
}