Backport 0.4 handling of workers after death

eventmq/jobmanager.py

@@ -146,13 +146,9 @@ def _start_event_loop(self):
         Starts the actual event loop. Usually called by :meth:`start`
         """
         # Acknowledgment has come
-        # When the job manager unexpectedly disconnects from the router and
-        # reconnects it needs to send a ready for each previously available
-        # worker.
-        # Send a READY for each previously available worker
-        if hasattr(self, '_workers'):
-            for _ in self._workers:
-                self.send_ready()
+
+        # Instantiate workers
+        self.workers
 
         self.status = STATUS.running
 
@@ -218,6 +214,14 @@ def _start_event_loop(self):
         except Exception:
             logger.exception("Unhandled exception in main jobmanager loop")
 
+        # Cleanup
+        del self._workers
+
+        # Flush the queues with workers
+        self.request_queue = mp_queue()
+        self.finished_queue = mp_queue()
+        logger.info("Reached end of event loop")
+
     def handle_response(self, resp):
         """
         Handles a response from a worker process to the jobmanager