jobs.py 文件源码

def handle_auto_shutdown():
    global ATEXIT_SET, SIGNAL_SET, OLD_SIGNAL
    if not ATEXIT_SET:
        ATEXIT_SET = atexit.register(_signal_handler)

    if not SIGNAL_SET and isinstance(threading.currentThread(), threading._MainThread):
        SIGNAL_SET, OLD_SIGNAL = True, signal.signal(signal.SIGTERM, _signal_handler)