def stopService(self):
        """
        Stop all monitored processes and cancel all scheduled process restarts.
        """
        service.Service.stopService(self)

        # Cancel any outstanding restarts
        for name, delayedCall in list(self.restart.items()):
            if delayedCall.active():
                delayedCall.cancel()

        for name in list(self._processes):
            self.stopProcess(name)

        Stop all monitored processes and cancel all scheduled process restarts.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/runner/procmon.py