From owner-freebsd-questions Tue Mar 11 8:48:24 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 D2EBB37B401 for ; Tue, 11 Mar 2003 08:48:22 -0800 (PST) Received: from hotmail.com (f60.law8.hotmail.com [216.33.241.60]) by mx1.FreeBSD.org (Postfix) with ESMTP id 51EE243F75 for ; Tue, 11 Mar 2003 08:48:22 -0800 (PST) (envelope-from ching_yi_kung@hotmail.com) Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Tue, 11 Mar 2003 08:48:22 -0800 Received: from 208.232.182.41 by lw8fd.law8.hotmail.msn.com with HTTP; Tue, 11 Mar 2003 16:48:22 GMT X-Originating-IP: [208.232.182.41] From: "Kung Ching-Yi" To: taxman@acd.net, freebsd-questions@freebsd.org Subject: Re: Change default IPC limitations Date: Tue, 11 Mar 2003 10:48:22 -0600 Mime-Version: 1.0 Content-Type: text/plain; charset=big5; format=flowed Message-ID: X-OriginalArrivalTime: 11 Mar 2003 16:48:22.0188 (UTC) FILETIME=[06C93EC0:01C2E7EE] 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 I got some help from John so I will give it a try. Thanks for all your kind helps. >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 > >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and this is outdated, but may help you understand the roots of IPC on FreeBSD 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 _________________________________________________________________ 使用 MSN Messenger，與朋友在線上聊天: http://messenger.microsoft.com/tc To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message