Date: Tue, 29 Oct 1996 11:44:31 +0000
From: Bill Currie <billc AT blackmagic DOT tait DOT co DOT nz>
Subject: Re: function _exit() and about dbgcom.c
To: Charles Sandmann <sandmann AT clio DOT rice DOT edu>
Cc: djgpp-workers AT delorie DOT com
Message-id: <3275EE1F.3DC@blackmagic.tait.co.nz>
Organization: Tait Electronics NZ
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References: <9610282106 DOT AA15711 AT clio DOT rice DOT edu>

Charles Sandmann wrote:
> 
> > err, why not create a REAL PSP? Easy enough (debug.com does it).  Sure it means swapping psp's
> > when going to/from debuggee, but it might cause less hassles in the long run?
> 
> When I wrote the debug stuff, there was no undocumented feature usage in DJGPP,
> thus no problems with the pseudo PSP (used for command line passage only).
> Since DPMI providers mess with the PSP themselves, you are asking for trouble.
> This is part of the reason the debuggers originally had a one pass design.

Should I experiment with it?  What does cwsdpmi do to the psp (if anything)?
If windows messes with the psp, surely it would hook the create/set psp calls (but then again, 
look at cli/sti).