service.py 文件源码

def _child_process_handle_signal(self):
        # Setup child signal handlers differently

        def _sigterm(*args):
            self.signal_handler.clear()
            self.launcher.stop()

        def _sighup(*args):
            self.signal_handler.clear()
            raise SignalExit(signal.SIGHUP)

        self.signal_handler.clear()

        # Parent signals with SIGTERM when it wants us to go away.
        self.signal_handler.add_handler('SIGTERM', _sigterm)
        self.signal_handler.add_handler('SIGHUP', _sighup)
        self.signal_handler.add_handler('SIGINT', self._fast_exit)