Method heartbeat

gunicorn/workers/gtornado.py:53–65

(self)

            self.alive = False

    def heartbeat(self):
        if not self.alive:
            if self.server_alive:
                if hasattr(self, 'server'):
                    try:
                        self.server.stop()
                    except Exception:
                        pass
                self.server_alive = False
            else:
                for callback in self.callbacks:
                    callback.stop()
                self.ioloop.stop()

    def init_process(self):
        # IOLoop cannot survive a fork or be shared across processes