__init__.py 文件源码

def _reload_services(self, *args, **kwargs):
        if self._shutdown.is_set():
            # NOTE(sileht): We are in shutdown process no need
            # to reload anything
            return

        # Reset forktimes to respawn services quickly
        self._forktimes = []
        signal.signal(signal.SIGHUP, signal.SIG_IGN)
        os.killpg(0, signal.SIGHUP)
        signal.signal(signal.SIGHUP, self._reload_services)