Function invokeCallbacks

modules/pins/i2s/audioout.c:1164–1205

}

void invokeCallbacks(CFRunLoopTimerRef timer, void *info)
{
	modAudioOut out = info;

	out->callbackTimer = NULL;

	xsBeginHost(out->the);
	xsmcVars(1);

	upUseCount(out);

	while (out->pendingCallbackCount) {
		xsIntegerValue id, stream;

		pthread_mutex_lock(&out->mutex);
		id = out->pendingCallbacks[0].id;
		stream = out->pendingCallbacks[0].stream;

		out->pendingCallbackCount -= 1;
		if (out->pendingCallbackCount)
			c_memmove(out->pendingCallbacks, out->pendingCallbacks + 1, out->pendingCallbackCount * sizeof(modAudioOutPendingCallbackRecord));
		pthread_mutex_unlock(&out->mutex);

		xsmcSetInteger(xsVar(0), id);
		xsTry {
			xsmcGet(xsResult, out->obj, xsID_callbacks);
			if (xsUndefinedType != xsmcTypeOf(xsResult)) {
				xsmcGetIndex(xsResult, xsResult, stream);
				if (xsmcIsCallable(xsResult))
					xsCallFunction1(xsResult, out->obj, xsVar(0));
			}
			else
				xsCall1(out->obj, xsID_callback, xsVar(0));
		}
		xsCatch {
		}
	}

	xsEndHost(out->the);

	downUseCount(out);
}

// note: queueCallback relies on caller to lock mutex
void queueCallback(modAudioOut out, xsIntegerValue id, xsIntegerValue stream)