#!/usr/bin/env python


import thread
import time
from threading import *


def event_set(event):

    time.sleep(2)

    while 1 :
        
        #we wait for the flag to be set.
        while not event.isSet():
            event.wait()

        print currentThread(),"...Woken Up"
        event.clear()



if __name__=="__main__":

    event=Event()
    
    thread.start_new_thread(event_set,(event,))

    while 1:

        event.set()
        print event," Has been set"
        time.sleep(2)