Revert commit 252: connection is sent to dispatcher via registration, so it's safer to lock it.

git-svn-id: https://svn.erp5.org/repos/neo/branches/prototype3@290 71dcc9de-d417-0410-9af5-da40c76e7ee4

neo/client/app.py

@@ -72,6 +72,8 @@ class ConnectionPool(object):
             app.local_var.node_not_ready = 0
             conn = MTClientConnection(app.em, handler, addr,
                                       connector_handler=self.app.connector_handler)
+            conn.lock()
+            try:
                 if conn.getConnector() is None:
                     # This happens, if a connection could not be established.
                     logging.error('Connection to storage node %s failed', addr)
@@ -85,6 +87,8 @@ class ConnectionPool(object):
                 conn.addPacket(p)
                 conn.expectMessage(msg_id)
                 app.dispatcher.register(conn, msg_id, app.getQueue())
+            finally:
+                conn.unlock()
 
             try:
                 app._waitMessage(conn, msg_id)