Magnus Hagander <magnus@hagander.net> writes:
> Neil Conway wrote:
>> I don't think that's the right attitude to take, at all. Why not just
>> use a lock? It's not like the overhead will be noticeable.
> Probably, but none of the other code appears to take a lock out on it :)
Huh? It doesn't use a lock for touching the checkpoint counters, but
that's OK because they're sig_atomic_t.
regards, tom lane