From 17decda1e39f4b660a58de08dc1ba89722f924b3 Mon Sep 17 00:00:00 2001
From: Randall Leeds <randall@meebo-inc.com>
Date: Wed, 4 Aug 2010 04:31:47 +0800
Subject: [PATCH] catch SystemExit exception and exit quietly

raised by:
1) workers started during reload (main loop) that are killed later
2) the arbiter process during Ctl-C or other halt signals
---
 gunicorn/arbiter.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gunicorn/arbiter.py b/gunicorn/arbiter.py
index 2a615328..ff8e325a 100644
--- a/gunicorn/arbiter.py
+++ b/gunicorn/arbiter.py
@@ -168,6 +168,8 @@ class Arbiter(object):
                 self.halt()
             except KeyboardInterrupt:
                 self.halt()
+            except SystemExit:
+                raise
             except Exception:
                 self.log.info("Unhandled exception in main loop:\n%s" %  
                             traceback.format_exc())