[Maria-developers] How to check for active transaction?

Hi Serg, I'm merging MWL#234 into 5.5. I have a session variable @@skip_replication. I want to ensure that this variable is not modified in the middle of a statement or while a transaction is active. (The reason for this is that it changes whether changes are replicated or not - and so changing in the middle of statement or transaction could cause us to replicate only half of the event/transaction). In my 5.2-based tree, I had this condition, but this seems to no longer work: thd->locked_tables || thd->active_transaction() Can you help me find how to do this check in 5.5 code base? - Kristian.