Function macThreadFunc

GPRS/MAC.cpp:2472–2515

}

static void *macThreadFunc(void *arg)
{
	gL2MAC.macRunning = true;

	// Set the current RLC BSN.
	//Time tstart = gBTS.time().FN();
	Time tstart = gBTS.time();
	int fnstart = tstart.FN();
	gBSNNext = FrameNumber2BSN(fnstart);

	ChIdleCounter = ChCongestionCounter = 0;

	// Lets start synced up on a 52-multiframe boundary.
	if (0) { // why bother?
		int offset = fnstart % 52;
		if (offset) {
			fnstart += (52 - offset);
			gBTS.clock().wait(fnstart);
		}
	}

	GPRSLOG(1) << "macServiceLoop starting:" << LOGVAR(gBSNNext) <<LOGVAR(fnstart);

	// We need to run the service loop even if there are no channels allocated because
	// the BSSG may add downlink PDUs to an MS which will create a new TBF,
	// which will add a channel on demand.
	bool firsttime = true;		// First iteration.
	while (!gL2MAC.macStopFlag) {
		gL2MAC.macConfigInit();
		advanceBSNNext(1);
		serviceLoopSynchronize(firsttime);
		firsttime = false;

		{ 
			ScopedLock lock(gL2MAC.macLock);
			gL2MAC.macServiceLoop();
		}
	}

	GPRSLOG(1) << "macServiceLoop ending:" << LOGVAR(gBSNNext);

	gL2MAC.macRunning = false;
	return NULL;
}


// When the MS RACHes into the GSM RR/MM side for any reason, we must cancel ongoing TBFs.