From 862ec2116029b12d80cc9926d4631f7c2670042e Mon Sep 17 00:00:00 2001
From: David Wilson <dw@botanicus.net>
Date: Mon, 26 Mar 2018 11:52:48 +0545
Subject: [PATCH] core: allow shutdown triggered by any parent, not just
 immediate parent

---
 mitogen/core.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mitogen/core.py b/mitogen/core.py
index 3a66ff30..35972559 100644
--- a/mitogen/core.py
+++ b/mitogen/core.py
@@ -1372,7 +1372,7 @@ class ExternalContext(object):
 
     def _on_shutdown_msg(self, msg):
         _v and LOG.debug('_on_shutdown_msg(%r)', msg)
-        if msg != _DEAD and msg.src_id != mitogen.parent_id:
+        if msg != _DEAD and msg.auth_id not in mitogen.parent_ids:
             LOG.warning('Ignoring SHUTDOWN from non-parent: %r', msg)
             return
         self.broker.shutdown()