From 4ff5e725f29afb3995ff39a0908c7fa3eb085c19 Mon Sep 17 00:00:00 2001
From: Dan Callaghan <dcallagh@redhat.com>
Date: Wed, 26 Jun 2013 11:43:00 +1000
Subject: [PATCH 3/3] don't release stream lock if already closed

Python 2.7 calls acquire/release around flush+close in logging.shutdown,
so ConcurrentLogHandler needs to deal with that.

diff --git a/src/cloghandler.py b/src/cloghandler.py
index 6a09c7d..d0e82f1 100644
--- a/src/cloghandler.py
+++ b/src/cloghandler.py
@@ -199,7 +199,8 @@ class ConcurrentRotatingFileHandler(BaseRotatingHandler):
             self.handleError(None)
         finally:
             try:
-                unlock(self.stream_lock)
+                if not self.stream_lock.closed:
+                    unlock(self.stream_lock)
             finally:
                 # release thread lock
                 Handler.release(self)
-- 
1.8.1.4