#!/usr/bin/env python

import os,time,sys

def daemonize(pidfile):
    # Fork once
    if os.fork() != 0:      
        os._exit(0)         
    os.setsid()                     # Create new session
    pid = os.fork()
    if pid != 0:
        file = open(pidfile,"w")
	file.write("%i"%pid)
	file.close()
        os._exit(0)	
    os.chdir("/")         
    os.umask(0)

    os.close(sys.__stdin__.fileno())
    os.close(sys.__stdout__.fileno())
    os.close(sys.__stderr__.fileno())