On Fri, Nov 19, 2010 at 5:59 PM, Tom Lane <t...@sss.pgh.pa.us> wrote: > Robert Haas <robertmh...@gmail.com> writes: >> But what about timings vs. random other stuff? Like in this case >> there's a problem if the signal arrives before the memory update to >> latch->is_set becomes visible. I don't know what we need to do to >> guarantee that. > > I don't believe there's an issue there. A context swap into the kernel > is certainly going to include msync. If you're afraid otherwise, you > could put an msync before the kill() call, but I think it's a waste of > effort.
So what DO we need to guard against here? -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
