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To: John-Mark Gurney <gurney_j@efn.org>
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
In-Reply-To: Your message of "Wed, 30 Jul 2003 22:49:02 PDT."
             <20030731054902.GJ10708@funkthat.com> 
Date: Thu, 31 Jul 2003 08:14:12 +0200
Message-ID: <7895.1059632052@critter.freebsd.dk>
cc: arch@freebsd.org
cc: Sean Kelly <smkelly@freebsd.org>
Subject: Re: A working watchdog API 
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In message <20030731054902.GJ10708@funkthat.com>, John-Mark Gurney writes:
>Sean Kelly wrote this message on Wed, Jul 30, 2003 at 19:23 -0500:
>> watchdog_tickle()
>
>Why not pet the dog to keep it happy.  If you tickle it, it might bite
>your hand off!
>
>(A friend of mine told me that the man page for Solaris talks about
>petting the dog to keep it from rebooting the box, etc.)

We're way ahead of you:

$ grep IOC /sys/sys/watchdog.h
#define WDIOCPATPAT	_IOW('W', 42, u_int)
	 * program calls WDIOCPATPAT again before the timer expires

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.