Callback    Ctrl::CtrlCall;
static Mutex CtrlCallMutex;

void WakeUpGuiThread();

bool Ctrl::DoCall()
{
	LLOG("DoCall");
	GuiLock __;
	{
		Mutex::Lock __(CtrlCallMutex);
		CtrlCall();
		CtrlCall.Clear();
	}
	LLOG("--- DoCall, nonmain: " << NonMain);
	return NonMain;
}

void Ctrl::ICall(Callback cb)
{
	LLOG("Ctrl::Call " << IsMainThread() << ", nonmain: " << NonMain);
	if(IsMainThread())
		cb();
	else {
		GuiLock __;
		CallBox cbox;
		cbox.cb = cb;
		{
			Mutex::Lock __(CtrlCallMutex);
			CtrlCall = callback1(PerformCall, &cbox);
		}
		int level = LeaveGMutexAll();
		WakeUpGuiThread();
		LLOG("Waiting for semaphore");
		if(!Thread::IsShutdownThreads())
			cbox.sem.Wait();
		EnterGMutex(level);
	}
	LLOG("-- Ctrl::Call " << IsMainThread());
}