On Tue, Jan 11, 2011 at 7:24 AM, Magnus Hagander <mag...@hagander.net> wrote: >> No, do this at top >> >> if (walsnd->state == state) >> return; >> >> Keep spinlocks when actually setting it.
I think this is safe... > Aha. Thanks for the pointers, pfa a new version. ...but I think you also need to take the spinlock when reading the value. -- 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