From owner-freebsd-hackers  Tue Aug  6 11:23:46 2002
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 107A237B400
	for <freebsd-hackers@freebsd.org>; Tue,  6 Aug 2002 11:23:44 -0700 (PDT)
Received: from web20702.mail.yahoo.com (web20702.mail.yahoo.com [216.136.226.175])
	by mx1.FreeBSD.org (Postfix) with SMTP id DC98243E7B
	for <freebsd-hackers@freebsd.org>; Tue,  6 Aug 2002 11:23:43 -0700 (PDT)
	(envelope-from edlyu@yahoo.com)
Message-ID: <20020806182343.89911.qmail@web20702.mail.yahoo.com>
Received: from [64.124.70.190] by web20702.mail.yahoo.com via HTTP; Tue, 06 Aug 2002 11:23:43 PDT
Date: Tue, 6 Aug 2002 11:23:43 -0700 (PDT)
From: Ed Yu <edlyu@yahoo.com>
Subject: mutex in kernel modules?
To: freebsd-hackers@freebsd.org
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Sender: owner-freebsd-hackers@FreeBSD.ORG
Precedence: bulk
List-ID: <freebsd-hackers.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo@FreeBSD.ORG?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo@FreeBSD.ORG?subject=subscribe%20freebsd-hackers>
List-Unsubscribe: <mailto:majordomo@FreeBSD.ORG?subject=unsubscribe%20freebsd-hackers>
X-Loop: FreeBSD.ORG

Hi, what mutex is available when writing kernel
modules? I want something like declaring of
"semaphore" and be able to lock and unlock it. I found
simplelock in <sys/lock.h>. I saw some modules using
struct mtx but I couldn't find it anywhere in the
header files. Man pages for both of them do not show
anything. I'm running FreeBSD-stable. Any help would
be greatly appreciated. Thank you.

-ed


__________________________________________________
Do You Yahoo!?
Yahoo! Health - Feel better, live better
http://health.yahoo.com

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-hackers" in the body of the message