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

void Ctrl::Call(Callback cb)
{
	if(IsMainThread())
		cb();
	else {
		GuiLock __;
		CallBox cbox;
		cbox.cb = cb;
		UPP::PostCallback(callback1(PerformCall, &cbox));
		int n = NonMain;
		int nn = n;
		NonMain = 0;
		for(int i = 0; i < n; i++)
			NonMainLock.Leave();
		int level = LeaveGMutexAll();
		WakeUpGuiThread();
		if(!Thread::IsShutdownThreads())
			cbox.sem.Wait();
		for(int i = 0; i < n; i++)
			NonMainLock.Enter();
		EnterGMutex(level);
		NonMain = n;
	}
}