Abort transaction before doing anything else: if it was transaction commit which raised, the transaction object will refuse subsequent "join" calls. Add some zope transation backward compatibility black magic and you get a TM instance which gets stalled in "registered" state while no transaction knows it.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@19076 20353a03-c40f-0410-a6d1-a30d3c3de9de