EventQueueEmptyEventHandler.py 文件源码

def init(cls):
        """
        Creates a pipe for waking up a select call when a signal has been received.
        """
        cls.__wake_up_pipe = os.pipe()
        fcntl.fcntl(cls.__wake_up_pipe[0], fcntl.F_SETFL, os.O_NONBLOCK)

        signal.set_wakeup_fd(EventQueueEmptyEventHandler.__wake_up_pipe[1])

    # ------------------------------------------------------------------------------------------------------------------