From d1a09732256fa8db900a1fe75a71466cf2645ef9 Mon Sep 17 00:00:00 2001
From: benoitc <bchesneau@gmail.com>
Date: Fri, 19 Dec 2014 08:01:18 +0100
Subject: [PATCH] send SIGQUIT/SIGTERM only once to the workers

there is no need to send more than once the signal to the workers when
exiting. With this patch we are sending once the QUIT/TERM signal and  then
wait until the graceful timeout or until there are workers alive.

fix #655
---
 gunicorn/arbiter.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/gunicorn/arbiter.py b/gunicorn/arbiter.py
index d92444e1..50ae95dd 100644
--- a/gunicorn/arbiter.py
+++ b/gunicorn/arbiter.py
@@ -348,9 +348,12 @@ class Arbiter(object):
         if not graceful:
             sig = signal.SIGQUIT
         limit = time.time() + self.cfg.graceful_timeout
+        # instruct the workers to exit
+        self.kill_workers(sig)
+        # wait until the graceful timeout
         while self.WORKERS and time.time() < limit:
-            self.kill_workers(sig)
             time.sleep(0.1)
+
         self.kill_workers(signal.SIGKILL)
 
     def reexec(self):