Neil Conway wrote: > On Mon, 2007-04-23 at 17:38 -0400, Tom Lane wrote: > > I'm really still opposed to the entire concept. You're proposing to put > > a lot of fragile-looking code into a seldom-exercised error path. > > There's certainly not a "lot" of code: the patch just adds a few > syscache lookups, wrapped in a PG_LOCK_NOWAIT() block. > > As for fragility, I think the important point is whether it's safe to > siglongjmp() out of LockAcquire(); the rest is just window dressing.
We have some elog(ERROR) calls in LockAcquire, so yes, there are some siglongjmp calls already in there. -- Alvaro Herrera http://www.CommandPrompt.com/ PostgreSQL Replication, Consulting, Custom Development, 24x7 support ---------------------------(end of broadcast)--------------------------- TIP 1: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly