#!/usr/bin/env python
     # encoding: utf-8
     #
     # Copyright (c) 2009 Doug Hellmann All rights reserved.
     #
     """
     """
     #end_pymotw_header
     
     import resource
     import sys
     import signal
     import time
     
     # Set up a signal handler to notify us
     # when we run out of time.
     def time_expired(n, stack):
         print 'EXPIRED :', time.ctime()
         raise SystemExit('(time ran out)')
     
     signal.signal(signal.SIGXCPU, time_expired)
     
     # Adjust the CPU time limit
     soft, hard = resource.getrlimit(resource.RLIMIT_CPU)
     print 'Soft limit starts as  :', soft
     
     resource.setrlimit(resource.RLIMIT_CPU, (1, hard))
     
     soft, hard = resource.getrlimit(resource.RLIMIT_CPU)
     print 'Soft limit changed to :', soft
     print
     
     # Consume some CPU time in a pointless exercise
     print 'Starting:', time.ctime()
     for i in range(200000):
         for i in range(200000):
             v = i * i
     
     # We should never make it this far
     print 'Exiting :', time.ctime()