shutdownmanager.py 文件源码

def processEnded(self, reason):
        """Fire back the C{result} L{Deferred}.

        C{result}'s callback will be fired with the string of data received
        from the subprocess, or if the subprocess failed C{result}'s errback
        will be fired with the string of data received from the subprocess.
        """
        if self._waiting:
            if reason.check(ProcessDone):
                self._succeed()
            else:
                self.result.errback(ShutdownFailedError(self.get_data()))
                self._waiting = False