Message-Id: <5.0.1.4.0.20001130214616.025cb150@pop5.banet.net>
X-Sender: usbanet DOT farley3 AT pop5 DOT banet DOT net
X-Mailer: QUALCOMM Windows Eudora Version 5.0.1
Date: Thu, 30 Nov 2000 21:56:19 -0500
To: djgpp-workers AT delorie DOT com
From: "Peter J. Farley III" <pjfarley AT banet DOT net>
Subject: Re: Locking fcntl() and flock() patches
Cc: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>, "Mark E." <snowball3 AT bigfoot DOT com>
In-Reply-To: <3A261D6D.4791.3157C2@localhost>
References: <Pine DOT SUN DOT 3 DOT 91 DOT 1001130161256 DOT 25556J-100000 AT is>
 <3A261A2D DOT 6814 DOT 24A3A8 AT localhost>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"; format=flowed
Reply-To: djgpp-workers AT delorie DOT com
Errors-To: nobody AT delorie DOT com
X-Mailing-List: djgpp-workers AT delorie DOT com
X-Unsubscribes-To: listserv AT delorie DOT com
Precedence: bulk

At 09:27 AM 11/30/00 -0500, Mark E. wrote:
 >> Does the IOCTL subfunction or poking the SFT allow to set the
 >> SH_DENY* bits for files that are already open?

 >You can fiddle with those flags in the SFT, but I haven't 
experimented >with them.

OK, you folk are beyond my level of knowledge here.  Are you saying 
there is an alternate way to set up read locks?  Assuming that these 
bits can be set on an open file, how would it work?

I'll do some reading in RBIL to try to catch up, but a brief overview 
would help.

---------------------------------------------------------
Peter J. Farley III (pjfarley AT dorsai DOT org OR
                      pjfarley AT banet DOT net)