From owner-freebsd-hackers Tue Dec 10 13:54:14 1996 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.4/8.8.4) id NAA04391 for hackers-outgoing; Tue, 10 Dec 1996 13:54:14 -0800 (PST) Received: from dyson.iquest.net (dyson.iquest.net [198.70.144.127]) by freefall.freebsd.org (8.8.4/8.8.4) with ESMTP id NAA04377; Tue, 10 Dec 1996 13:53:56 -0800 (PST) Received: (from root@localhost) by dyson.iquest.net (8.8.2/8.6.9) id QAA00743; Tue, 10 Dec 1996 16:53:07 -0500 (EST) From: John Dyson Message-Id: <199612102153.QAA00743@dyson.iquest.net> Subject: Re: Multiple Buffer allocation of Shared Memory To: terry@lambert.org (Terry Lambert) Date: Tue, 10 Dec 1996 16:53:07 -0500 (EST) Cc: dyson@freebsd.org, terry@lambert.org, scrappy@hub.org, erich@lodgenet.com, hackers@freebsd.org In-Reply-To: <199612102119.OAA04884@phaeton.artisoft.com> from "Terry Lambert" at Dec 10, 96 02:19:42 pm Reply-To: dyson@freebsd.org X-Mailer: ELM [version 2.4 PL24 ME8] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > > I'm not clear on how I get several processes using the same region > in the MAP_ANON case... is it even possible? The man page says a > non -1 fd "is used for naming"... how does that work? Is it an index, > or is it just an ID? > I am not clear on what it is supposed to do either. What would the protection attributes of such an entity be? At least SYSVSHM defines them. John