internal.py 文件源码

def signal_handler_unix(_signal, _frame):
    """
    Manage system signals
    :param _signal: The Posix signal See: http://pubs.opengroup.org/onlinepubs/009695399/
    :param _frame: Unused, interrupted stack frame.
    """
    _reason = None
    if _signal == signal.SIGHUP:
        _reason = 'Got SIGTERM, restarting..'
        stop_handler(_reason, _restart=True)
    else:
        if _signal == signal.SIGQUIT:
            _reason = 'Ctrl+D pressed, shutting down..'
        elif _signal == signal.SIGINT:
            _reason = 'Ctrl+C pressed, shutting down..'
        elif _signal == signal.SIGTERM:
            _reason = 'Got SIGTERM, shutting down..'

        stop_handler(_reason)