Apply commit 1221 to SelectEventManager.

git-svn-id: https://svn.erp5.org/repos/neo/branches/prototype3@1223 71dcc9de-d417-0410-9af5-da40c76e7ee4

neo/event.py

@@ -132,8 +132,10 @@ class SelectEventManager(object):
             # See if there is anything to process
             to_process = self._getPendingConnection()
         if to_process is not None:
+            try:
                 # Process
                 to_process.process()
+            finally:
                 # ...and requeue if there are pending messages
                 if to_process.hasPendingMessages():
                     self._addPendingConnection(to_process)