check error before incoming or outgoing events

https://bugzilla.redhat.com/show_bug.cgi?id=649986

http://trac.gajim.org/ticket/5991

diff -r c47219e5a552 -r ba5c2eb1f1e7 src/common/xmpp/idlequeue.py

--- a/src/common/xmpp/idlequeue.py	Mon Oct 25 20:09:30 2010 +0200

+++ b/src/common/xmpp/idlequeue.py	Mon Oct 25 21:06:45 2010 +0200

@@ -388,20 +388,22 @@

             self.unplug_idle(fd)

             return False

+        if flags & IS_CLOSED:

+            # io error, don't expect more events

+            self.remove_timeout(obj.fd)

+            self.unplug_idle(obj.fd)

+            obj.pollend()

+            return False

+

         if flags & PENDING_READ:

             #print 'waiting read on %d, flags are %d' % (fd, flags)

             obj.pollin()

             return True

-        elif flags & PENDING_WRITE:

+        if flags & PENDING_WRITE:

             obj.pollout()

             return True

-        elif flags & IS_CLOSED:

-            # io error, don't expect more events

-            self.remove_timeout(obj.fd)

-            self.unplug_idle(obj.fd)

-            obj.pollend()

         return False

     def process(self):