GameMonkeyScript/gmsrc/doc/tutorial/2-continuing/scripts/states_03.gm

global awake = function()
{
	print("I'm awake!");
};

global waking = function()
{
	print("I am stirring...");
};

global resting = function()
{
	print("I am resting");
	sig = block("wakeup");
	if (sig == "wakeup")
	{
		stateSetExitFunction( waking );
		stateSet( awake );
	}
	
};

global init_func = function()
{
	// set state on thread
	stateSet( resting );
};

thread( init_func );
sleep(1);
signal("wakeup");