signal_handler.py

import signal
import time

_should_quit = False

def should_quit():
    return _should_quit

def handler(signum, frame):
    global _should_quit
    print 'Signal handler called with signal', signum
    _should_quit = True    

signal.signal(signal.SIGINT, handler)
# Set the signal handl
while 1:
    for i in range(5):
        time.sleep(1)
        if should_quit(): break 
    print "Now I'm being called"
    if should_quit(): break

print "I was nicely ended"