Function aptEventHandler

libctru/source/services/apt.c:469–631

}

void aptEventHandler(void *arg)
{
	while (!aptEventHandlerThreadQuit)
	{
		s32 id = 0;
		svcWaitSynchronizationN(&id, aptEvents, 2, 0, U64_MAX);

		if (aptEventHandlerThreadQuit)
			break;

		// If the receive event is still signaled, sleep for a bit and retry
		if (LightEvent_TryWait(&aptReceiveEvent))
		{
			_aptDebug(222, 0);
			svcSleepThread(10000000); // 10ms
			svcSignalEvent(aptEvents[id]);
			continue;
		}

		// This is done by official sw, even though APT events are oneshot...
		svcClearEvent(aptEvents[id]);

		// Relay receive events to our light event
		if (id == 1)
		{
			NS_APPID sender;
			APT_Command cmd;
			Result res = APT_GlanceParameter(envGetAptAppId(), aptParameters, sizeof(aptParameters), &sender, &cmd, NULL, NULL);
			if (R_FAILED(res))
				continue; // Official sw panics here - we instead swallow the (non-)event.

			_aptDebug(2, cmd); _aptDebug(22, sender);

			// NOTE: Official software handles the following parameter types here:
			//   - APTCMD_MESSAGE    (cancelled afterwards) (we handle it in aptReceiveParameter instead)
			//   - APTCMD_REQUEST    (cancelled afterwards) (only sent to and handled by libapplets?)
			//   - APTCMD_DSP_SLEEP  (*NOT* cancelled afterwards)
			//   - APTCMD_DSP_WAKEUP (*NOT* cancelled afterwards)

			// We will handle the following:
			switch (cmd)
			{
				case APTCMD_DSP_SLEEP:
					// Handle DSP sleep requests
					aptDspSleep();
					break;
				case APTCMD_DSP_WAKEUP:
					// Handle DSP wakeup requests
					aptFlags &= ~FLAG_DSPWAKEUP;
					aptDspWakeup();
					break;
				case APTCMD_WAKEUP_PAUSE:
					// Handle spurious APTCMD_WAKEUP_PAUSE parameters
					// (see aptInit for more details on the hax 2.x spurious wakeup problem)
					if (aptFlags & FLAG_SPURIOUS)
					{
						APT_CancelParameter(APPID_NONE, envGetAptAppId(), NULL);
						aptFlags &= ~FLAG_SPURIOUS;