From owner-freebsd-hackers Fri Feb 21 5:12:19 2003 Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9000D37B401 for ; Fri, 21 Feb 2003 05:12:17 -0800 (PST) Received: from angelica.unixdaemons.com (angelica.unixdaemons.com [209.148.64.135]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1D18E43FE3 for ; Fri, 21 Feb 2003 05:12:14 -0800 (PST) (envelope-from hiten@angelica.unixdaemons.com) Received: from angelica.unixdaemons.com (hiten@localhost.unixdaemons.com [127.0.0.1]) by angelica.unixdaemons.com (8.12.7/8.12.1) with ESMTP id h1LDCCeG051159; Fri, 21 Feb 2003 08:12:12 -0500 (EST) Received: (from hiten@localhost) by angelica.unixdaemons.com (8.12.7/8.12.1/Submit) id h1LDCCXQ051158; Fri, 21 Feb 2003 08:12:12 -0500 (EST) (envelope-from hiten) Date: Fri, 21 Feb 2003 08:12:12 -0500 From: Hiten Pandya To: Friedemann Becker Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: about kern/47512: LOR? help needed (fwd) Message-ID: <20030221131212.GC47980@unixdaemons.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4i X-Operating-System: FreeBSD i386 X-Public-Key: http://www.pittgoth.com/~hiten/pubkey.asc X-URL: http://www.unixdaemons.com/~hiten X-PGP: http://pgp.mit.edu:11371/pks/lookup?search=Hiten+Pandya&op=index Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Friedemann Becker (Fri, Feb 21, 2003 at 12:22:14PM +0100) wrote: > I try to get the clue about this mutex lock thing, but I think, I just > don't understand right what the different types of locks are used for. John Baldwin has written a fine paper on locking in the FreeBSD kernel. It explains everything clearly: http://www.usenix.org/events/bsdcon02/baldwin.html Also checkout the mutex(9) manual page. -- Hiten Pandya (hiten@unixdaemons.com, hiten@uk.FreeBSD.org) http://www.unixdaemons.com/~hiten/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message