start_server.py 文件源码

def start_server():
    run_daemon()
    try:
        pid = os.fork()
    except OSError, e:
        logging.error('start http server is error.')
        os._exit(1)
    if pid == 0:
        start_server_in_subprocess()
        return
    while pid:
        # wait ?????????????????
        ret = os.wait()
        logging.error('Child process already stop, try to start')
        try:
            pid = os.fork()
            if pid == 0:
                start_server_in_subprocess()
                return
        except OSError, e:
            logging.error('start http server is error.')
            os._exit(1)

# ??????