From owner-freebsd-hackers  Fri Jul  4 11:10:34 1997
Return-Path: <owner-hackers>
Received: (from root@localhost)
          by hub.freebsd.org (8.8.5/8.8.5) id LAA02922
          for hackers-outgoing; Fri, 4 Jul 1997 11:10:34 -0700 (PDT)
Received: from alpo.whistle.com (alpo.whistle.com [207.76.204.38])
          by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id LAA02906
          for <freebsd-hackers@FreeBSD.ORG>; Fri, 4 Jul 1997 11:10:28 -0700 (PDT)
Received: (from daemon@localhost)
	by alpo.whistle.com (8.8.5/8.8.5) id LAA21335;
	Fri, 4 Jul 1997 11:05:05 -0700 (PDT)
Received: from current1.whistle.com(207.76.205.22)
 via SMTP by alpo.whistle.com, id smtpd021327; Fri Jul  4 18:04:58 1997
Date: Fri, 4 Jul 1997 11:03:32 -0700 (PDT)
From: Julian Elischer <julian@whistle.com>
To: Paul van der Zwan <paulz@trantor.stuyts.nl>
cc: freebsd-hackers@FreeBSD.ORG
Subject: Re: Probing cdrom for presence of disk
In-Reply-To: <199707041702.TAA00468@trantor.stuyts.nl>
Message-ID: <Pine.BSF.3.95.970704110229.28166A-100000@current1.whistle.com>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Sender: owner-hackers@FreeBSD.ORG
X-Loop: FreeBSD.org
Precedence: bulk

Workman does it..
see what they do..
I believe they use a direct SCSI command via the user-scsi facility.

On Fri, 4 Jul 1997, Paul van der Zwan wrote:

> Is there a way to probe  a cdrom drive for the presence of a disk without 
> getting any messages on the console? I am trying to write some software to 
> automatically mount a cd if it is inserted in the drive, but filling the 
> console with errors is not something I want to happen.
> 
> 	Paul
> 
> -- 
> Paul van der Zwan		paulz @ trantor.stuyts.nl
> "I think I'll move to theory, everything works in theory..."
> 
> 
>