From 64acac68f9c68de2a925d5a06b2c740673e2ccc1 Mon Sep 17 00:00:00 2001
From: Ask Solem <ask@celeryproject.org>
Date: Thu, 10 Apr 2014 15:21:27 +0100
Subject: [PATCH] Attempt to fix celery/celery#1965

---
 kombu/utils/eventio.py | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/kombu/utils/eventio.py b/kombu/utils/eventio.py
index fafb3ace..ed9ec06c 100644
--- a/kombu/utils/eventio.py
+++ b/kombu/utils/eventio.py
@@ -202,7 +202,14 @@ class _select(Poller):
                     self.unregister(fd)
 
     def unregister(self, fd):
-        fd = fileno(fd)
+        try:
+            fd = fileno(fd)
+        except socket.error as exc:
+            # we don't know the previous fd of this object
+            # but it will be removed by the next poll iteration.
+            if get_errno(exc) in SELECT_BAD_FD:
+                return
+            raise
         self._rfd.discard(fd)
         self._wfd.discard(fd)
         self._efd.discard(fd)