implement a minimal shutdown callback, it must be extended in the

future in order to close properly everything wihtout letting any
transaction not commited


git-svn-id: https://svn.erp5.org/repos/neo/branches/prototype3@634 71dcc9de-d417-0410-9af5-da40c76e7ee4

neo/master/app.py

@@ -16,7 +16,7 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 import logging
-import os
+import os, sys
 from time import time, gmtime
 from struct import pack, unpack
 
@@ -797,3 +797,11 @@ class Application(object):
         return uuid != self.uuid and uuid != INVALID_UUID
 
 
+    def shutdown(self):
+        """Close all connections and exit"""
+        self.em.poll(1)
+        for c in self.em.getConnectionList():
+            if not c.isListeningConnection():
+                c.close()
+        sys.exit("Application has been asked to shut down")
+