#!/usr/bin/env python
import sys, signal, time

def handler(signum=None, frame=None):
    print 'got signal', signum
    time.sleep(1)  # do cleanup here
    print 'exiting'
    sys.exit(0)

for sig in [signal.SIGTERM, signal.SIGINT, signal.SIGHUP, signal.SIGQUIT]:
    signal.signal(sig, handler)

while True:
    time.sleep(60)