hub_fork_simple.py 文件源码

def parent(signal_path, pid):
    eventlet.Timeout(5)
    port = None
    while True:
        try:
            contents = open(signal_path, 'rb').read()
            port = int(contents.strip())
            break
        except Exception:
            eventlet.sleep(0.1)
    eventlet.connect(('127.0.0.1', port))
    while True:
        try:
            contents = open(signal_path, 'rb').read()
            result = contents.split()[1]
            break
        except Exception:
            eventlet.sleep(0.1)
    assert result == b'done', repr(result)
    print('pass')