[trans-mem] Beginning of refactoring

[Richard Henderson]

On 08/03/2011 03:50 AM, Torvald Riegel wrote:
>     Fix rollback and queries of transaction ID.
>     
>     	* beginend.cc (GTM::gtm_transaction::rollback): Roll back tx id as well.
>     	* query.cc (_ITM_getTransactionId): There is no active transaction if
>     	the current nesting level is zero.

Ok.


r~