From owner-freebsd-questions Mon Mar 10 19:46:16 2003 Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D7BA137B401 for ; Mon, 10 Mar 2003 19:46:14 -0800 (PST) Received: from smtp.acd.net (smtp.acd.net [207.179.102.146]) by mx1.FreeBSD.org (Postfix) with ESMTP id 256B843FA3 for ; Mon, 10 Mar 2003 19:46:14 -0800 (PST) (envelope-from taxman@ACD.NET) Received: from modem22.nas4.acd.net ([207.179.85.218]) by smtp.acd.net with Microsoft SMTPSVC(5.0.2195.5329); Mon, 10 Mar 2003 22:46:07 -0500 From: taxman To: "Kung Ching-Yi" , freebsd-questions@freebsd.org Subject: Re: Change default IPC limitations Date: Mon, 10 Mar 2003 22:30:22 -0500 User-Agent: KMail/1.5 References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="big5" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200303102230.22273.taxman@acd.net> X-OriginalArrivalTime: 11 Mar 2003 03:46:07.0982 (UTC) FILETIME=[BFD1C0E0:01C2E780] Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Monday 10 March 2003 08:49 pm, Kung Ching-Yi wrote: > Hi, I have a need to change the following settings. > kern.ipc.msgmni > kern.ipc.semmns > kern.ipc.shmmni > > I can't use sysctl to modify these since it returns "read-only" message. > > I assume I need to rebuild the kernel but I don't know exactly which module > (header, source code etc) I need to modify. Can anybody help? > > Besides, do I need to build anything other than kernel to have it work > correctly? I don't know, and if you don't get any answers here after a couple days, try asking on -hackers. Some of what you are looking for may be here if you haven't seen this yet: http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/index.html and this is outdated, but may help you understand the roots of IPC on FreeBSD http://www.freebsd.org/doc/en_US.ISO8859-1/books/design-44bsd/index.html Tim To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message