From owner-freebsd-current Tue Feb 29 11:41:47 2000 Delivered-To: freebsd-current@freebsd.org Received: from khavrinen.lcs.mit.edu (khavrinen.lcs.mit.edu [18.24.4.193]) by hub.freebsd.org (Postfix) with ESMTP id 1EAD737BDEA for ; Tue, 29 Feb 2000 11:41:44 -0800 (PST) (envelope-from wollman@khavrinen.lcs.mit.edu) Received: (from wollman@localhost) by khavrinen.lcs.mit.edu (8.9.3/8.9.3) id OAA57576; Tue, 29 Feb 2000 14:41:41 -0500 (EST) (envelope-from wollman) Date: Tue, 29 Feb 2000 14:41:41 -0500 (EST) From: Garrett Wollman Message-Id: <200002291941.OAA57576@khavrinen.lcs.mit.edu> To: Matthew Dillon Cc: Christopher Masto , Cliff Rowley , Alfred Perlstein , freebsd-current@FreeBSD.ORG Subject: Re: Shared memory - Was: 2 Queries In-Reply-To: <200002291847.KAA85965@apollo.backplane.com> References: <20000229021327.E21720@fw.wintelcom.net> <20000229134143.B4903@netmonger.net> <200002291847.KAA85965@apollo.backplane.com> Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG < said: > Maybe we can convince them / submit patches to use mmap() based shared > memory (file-backed), which we can now do efficiently with the > MAP_NOSYNC option. Even better would be POSIX shared memory. It wouldn't be too hard to have the shm_open() syscall set a file flag which mmap() would them look at to conditionally set MAP_NOSYNC on its own. -GAWollman -- Garrett A. Wollman | O Siem / We are all family / O Siem / We're all the same wollman@lcs.mit.edu | O Siem / The fires of freedom Opinions not those of| Dance in the burning flame MIT, LCS, CRS, or NSA| - Susan Aglukark and Chad Irschick To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message