Jeff Davis <pgsql@j-davis.com> writes:
> On Tue, 2010-02-16 at 10:38 -0500, Tom Lane wrote:
>> 2. Add an extra lock to serialize writers to the queue, so that messages
>> are guaranteed to be added to the queue in commit order.
> I assume this is a heavyweight lock, correct?
Yeah, that seems the easiest way to do it. I think an LWLock could be
made to work, but releasing it on error might be a bit funky.
regards, tom lane