Hi Tom, Hi Simon, On Wednesday 20 January 2010 17:59:36 Tom Lane wrote: > Andres Freund <and...@anarazel.de> writes: > > I realize its way too late in the cycle for that, but why dont we start > > using some library for easy cross platform atomic ops? > > (1) there probably isn't one that does exactly what we want, works > everywhere, and has the right license; > (2) what actual gain would we get? We've already done the work. That there might be some other instructions were interested in? Like really atomic increment?
> >> [ grows visibly pale ] *Please* tell me we are not trying to take > >> locks in a signal handler. What happens if it interrupts code that > >> is already holding that lock? > > > > Yes the patch does that at two places. > > That's a must-fix. Its code intended to fix a existing problem not already comitted code. But otherwise I definitely agree. Andres -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
