Ejemplos de SyncObj::waitOnSignal en C++ (Cpp)

Ejemplo n.º 1

Archivo: SyncObjTest.cpp Proyecto: PX4/DriverFramework

void SyncObjTest::_doTests()
{
	SyncObj so;

	bool passed = true;
	so.lock();
	so.unlock();
	reportResult("Simple lock/unlock", passed);

	uint64_t now = offsetTime();
	unsigned long wait_in_us = 5000;
	so.lock();
	int rv = so.waitOnSignal(wait_in_us);
	so.unlock();
	uint64_t after = offsetTime();
	uint64_t delta_usec = after - now;

	if (rv != ETIMEDOUT) {
		DF_LOG_ERR("waitSignal() did not return ETIMEDOUT");
		passed = false;
	}

#ifdef __APPLE__
	const float error_factor = 2.0f;
#else
	const float error_factor = 1.2f;
#endif

	bool dtime_ok = (delta_usec > wait_in_us) && (delta_usec < wait_in_us * error_factor);

	if (!dtime_ok) {
		DF_LOG_ERR("waitSignal() timeout of %luus was %" PRIu64 "us", wait_in_us, delta_usec);
		passed = false;
	}

	reportResult("waitSignal() timeout", passed && dtime_ok);
}