From 877cd166b56ec4b7f5530ea9bf1587077692275b Mon Sep 17 00:00:00 2001
From: "Bernhard M. Wiedemann" <bwiedemann@suse.de>
Date: Thu, 31 Aug 2017 15:11:41 +0200
Subject: [PATCH] Avoid restarting a child when terminating

When sending a SIGTERM to the main glance-api process,
it was sending a SIGTERM to its children
but then also re-spawning its first dead child.

Closes-bug: #1714240

Change-Id: Ibef426c198d287bbdac4e764fd654edba4b7c2d6
---
 glance/common/wsgi.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/glance/common/wsgi.py b/glance/common/wsgi.py
index 26e5f6f24b..058e9e19e2 100644
--- a/glance/common/wsgi.py
+++ b/glance/common/wsgi.py
@@ -491,6 +491,7 @@ class Server(object):
         """Kills the entire process group."""
         signal.signal(signal.SIGTERM, signal.SIG_IGN)
         signal.signal(signal.SIGINT, signal.SIG_IGN)
+        signal.signal(signal.SIGCHLD, signal.SIG_IGN)
         self.running = False
         os.killpg(self.pgid, signal.SIGTERM)