Date: Tue, 9 Feb 1999 10:24:08 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
X-Sender: eliz AT is
To: Nate Eldredge <nate AT cartsys DOT com>
cc: djgpp AT delorie DOT com
Subject: Re: Is that bug ?
In-Reply-To: <36BF8A49.9DCCFC21@cartsys.com>
Message-ID: <Pine.SUN.3.91.990209102342.24101P-100000@is>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Reply-To: djgpp AT delorie DOT com


On Mon, 8 Feb 1999, Nate Eldredge wrote:

> > Somebody whose opinions I trust told me that if Windows included null
> > page protection, gobs of Windows own code would immediately begin
> > crashing.  So there might be some reason why MS doesn't fix that.
> 
> But, if I understand correctly, the only thing they need to supply is
> the DPMI Set Page Attributes call (or something of the sort).  It's up
> to the process to actually call it to unmap the null page, and so the
> kernel wouldn't have to.

This is moving into areas where I neither consider myself an expert
nor are on-topic, but I won't be surprised if some Windows code runs
in the same address space where your program does.