proc.py 文件源码

def start_process(cmd, target, env, *args):

    try:
        pid = os.fork()
    except OSError as e:
        logger.error(repr(e) + ' while fork')
        raise

    if pid == 0:
        _close_fds()
        args = list(args)
        env = dict(os.environ, **env)
        args.append(env)
        os.execlpe(cmd, cmd, target, *args)
    else:
        _waitpid(pid)