kernel.py 文件源码

def _shutdown_resources(self):
        log.debug('Kernel %r shutting down', self)

        if self._selector:
            self._selector.close()
            self._selector = None

        if self._notify_sock:
            self._notify_sock.close()
            self._notify_sock = None
            self._wait_sock.close()
            self._wait_sock = None

        if self._signal_sets:
            signal.set_wakeup_fd(-1)
            self._signal_sets = None
            self._default_signals = None

        if self._thread_pool:
            self._thread_pool.shutdown()
            self._thread_pool = None

        if self._process_pool:
            self._process_pool.shutdown()
            self._process_pool = None

        if self._monitor:
            self._monitor.close()

    # Main Kernel Loop
    # ----------