Re: Do we need a ShmList implementation?
Simon Riggs <simon@2ndquadrant.com>
From: Simon Riggs <simon@2ndQuadrant.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Kevin Grittner <Kevin.Grittner@wicourts.gov>, Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>, pgsql-hackers@postgresql.org
Date: 2010-09-20T16:44:26Z
Lists: pgsql-hackers
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.com PostgreSQL Development, 24x7 Support, Training and Services