On Wed, Oct 12, 2005 at 12:25:11PM -0400, Tom Lane wrote: > "Kevin Grittner" <[EMAIL PROTECTED]> writes: > > Declaring it as volatile gives: > > [ valid code ] > > Good, so at least your compiler's not broken. I'm busy volatile-izing > all the code in bufmgr.c ... should be able to commit a fix soon.
Well, I do notice none of the spinlock code has any memory barriers to stop gcc moving code across them. I suppose volatile is one way of solving that... Maybe explicit "don't optimise here" markers would be worthwhile. -- Martijn van Oosterhout <kleptog@svana.org> http://svana.org/kleptog/ > Patent. n. Genius is 5% inspiration and 95% perspiration. A patent is a > tool for doing 5% of the work and then sitting around waiting for someone > else to do the other 95% so you can sue them.
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