On Mon, 2010-09-20 at 12:35 -0400, Tom Lane wrote:
> "Kevin Grittner" <Kevin.Grittner@wicourts.gov> writes:
> > Simon Riggs <simon@2ndQuadrant.com> wrote:
> >> My understanding is that we used to have that and it was removed
> >> for the reasons Heikki states. There are still vestigial bits
> >> still in code.
>
> There's nothing vestigial about SHM_QUEUE --- it's used by the lock
> manager.
Yes, I was talking about an implementation that allocated memory as
well. There are sections of IFDEF'd out code there...
-- Simon Riggs www.2ndQuadrant.comPostgreSQL Development, 24x7 Support, Training and Services