fork_and_wait.py

def fork_and_wait(args, s):
    
    p = subprocess.Popen(args, stdout=subprocess.PIPE)

    def wait():
        time.sleep(s)
        if p.returncode is None:
            logging.info("kill process %s", p.pid)
            p.kill()
            sys.exit(1)
        elif p.returncode != 0:
            logging.info("process return %d", p.returncode)
            sys.exit(p.returncode)
            


    t = threading.Thread(target=wait)
    t.setDaemon(True)
    t.start()
    p.wait()

    print p.stdout.read()