【C语言】一种状态超时阻塞循环查询的办法

【C语言】一种状态超时阻塞循环查询的办法

1.方法1

static void wait_notify_async(notify_type_t notify_type)
{
   
	static rt_tick_t exit_tick;
	exit_tick = rt_time_get_msec();
	lb_int32 notify_success = RT_FALSE;
	static int timeout;

    CHKPNT;
	while (notify_success == RT_FALSE) {
   
		switch (notify_type) {
   
		case ADAS_EXITED:
			if (algorithm_status.adas_status == 2)
				notify_success = RT_TRUE;
			break;
		case BSD_EXITED:
			if (algorithm_status.bsd_status == 2)
				notify_success = RT_TRUE;
			break;
		case DMS_EXITED:
			if (algorithm_status.bsd_status == 2)
				notify_success = RT_TRUE;
			break;
		case RECORD_EXITED:
		    //CHKPNT;
			if (record_status == 2)
				notify_success = RT_TRUE;
			break;
		case TAKE_PICTURE_STATUS:
			if (take_picure_status > 0)
				notify_success = RT_TRUE;
			break;
		default:
			break;
		}
		timeout = rt_time_get_msec() - exit_tick;
		if (timeout >= 10 * 1000)
			break;
		rt_thread_mdelay(10