GameMonkeyScript/gmsrc/doc/tutorial/2-continuing/scripts/blocking_03.gm

/*
  Basic blocking and signalling #3
*/

global thread_1 = function()
{
  block("WAKEUP");

  print("I just woke up, boy was I tired! You should wake up too!");
  
  signal("YOUTOO");
};

global thread_2 = function()
{
  block("YOUTOO");

  print("What did you wake me up for?");
  
};


// Launch thread
thread( thread_2 );
thread( thread_1 );
// Sleep for 1 secs then set the wakeup variable
sleep(1);

signal("WAKEUP");