From owner-freebsd-arch Mon Jan 15 10:51:50 2001 Delivered-To: freebsd-arch@freebsd.org Received: from peace.mahoroba.org (peace.calm.imasy.or.jp [202.227.26.34]) by hub.freebsd.org (Postfix) with ESMTP id 2CE0D37B404 for ; Mon, 15 Jan 2001 10:51:30 -0800 (PST) Received: from localhost (IDENT:Rcdf20X0AKvR4gDa7Zt14EsizVWdyDUXZ73FUGhIMnJGkApY3D5ZQK0IHVFppA61@localhost [::1]) (authenticated) by peace.mahoroba.org (8.11.2/8.11.2/peace) with ESMTP/inet6 id f0FIo9w01770; Tue, 16 Jan 2001 03:50:09 +0900 (JST) (envelope-from ume@FreeBSD.org) Date: Tue, 16 Jan 2001 03:50:09 +0900 (JST) Message-Id: <20010116.035009.71081161.ume@FreeBSD.org> To: bright@wintelcom.net Cc: arch@FreeBSD.org Subject: Re: dynamic vs static sysctls? From: Hajimu UMEMOTO In-Reply-To: <20010115103757.B7240@fw.wintelcom.net> References: <20010115100618.Y7240@fw.wintelcom.net> <20010116.033215.41625863.ume@FreeBSD.org> <20010115103757.B7240@fw.wintelcom.net> X-Mailer: xcite1.38> Mew version 1.95b97 on Emacs 20.7 / Mule 4.0 =?iso-2022-jp?B?KBskQjJWMWMbKEIp?= X-PGP-Public-Key: http://www.imasy.org/~ume/publickey.asc X-PGP-Fingerprint: 6B 0C 53 FC 5D D0 37 91 05 D0 B3 EF 36 9B 6A BC X-URL: http://www.imasy.org/~ume/ X-OS: FreeBSD 5.0-CURRENT Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-arch@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG >>>>> On Mon, 15 Jan 2001 10:37:57 -0800 >>>>> Alfred Perlstein said: bright> Well all the sysctl's I've added have been dynamic, I think the bright> only reason for the 'static' sysctls is to give sysctl() a bright> numeric way to get at the sysctls, which isn't very useful bright> when we have getsysctlbyname(). You mean dynamic sysctl is just use of OID_AUTO, right? I thought SYSCTL_ADD_INT(). bright> Using a dynamic sysctl It would reduce the delta by quite a bit. Indeed. bright> The stuff your patch does seems to allow programs to use the old bright> (IMHO) depricated sysctl() versus getsysctlbyname() function. bright> No one I know wants to use sysctl instead of getsysctlbyname afaik, bright> however, I would like to know if my opinions are the what we're bright> aiming for. Okey, I'll change to use OID_AUTO. bright> Any other comments? One question. How can I detect newly added sysctl? In static, I can just do by #ifdef OID. bright> Besideds the way the sysctl is done, the change is pretty nice bright> to see, but will need mplocking later. Do you mean ALLPROC_LOCK(AP_EXCLUSIVE) / ALLPROC_LOCK(AP_RELEASE) ? If so, I'll move nforks++ between them. -- Hajimu UMEMOTO @ Internet Mutual Aid Society Yokohama, Japan ume@mahoroba.org ume@bisd.hitachi.co.jp ume@{,jp.}FreeBSD.org http://www.imasy.org/~ume/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message