From: Ben Darnell <ben@bendarnell.com>
Date: Sun, 7 Jul 2013 16:13:52 +0000 (-0400)
Subject: Clear the loop variable in addition to the callback list.
X-Git-Tag: v3.2.0b1~111
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4851494a55c2cc225a9d441af56bf8a58316dc5b;p=thirdparty%2Ftornado.git

Clear the loop variable in addition to the callback list.

Closes #844.
---

diff --git a/tornado/ioloop.py b/tornado/ioloop.py
index 49e37eb95..fe7e276d5 100644
--- a/tornado/ioloop.py
+++ b/tornado/ioloop.py
@@ -607,7 +607,7 @@ class PollIOLoop(IOLoop):
                 self._run_callback(callback)
             # Closures may be holding on to a lot of memory, so allow
             # them to be freed before we go into our poll wait.
-            del callbacks
+            callbacks = callback = None
 
             if self._timeouts:
                 now = self.time()