def _shutdown_minions(self):
        setproctitle('pyres_manager: Waiting on children to shutdown.')
        for minion in self._workers.values():
            minion.terminate()
            minion.join()
send the SIGNINT signal to each worker in the pool.
dataset/ETHPy150Open binarydud/pyres/pyres/horde.py/Khan._shutdown_minions