From: Richard Dawe <richdawe AT bigfoot DOT com>
Newsgroups: comp.os.msdos.programmer,comp.os.msdos.djgpp
Subject: Re: Is DOS dead?
Date: Tue, 21 Mar 2000 21:03:40 +0000
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To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

Hello.

Eli Zaretskii wrote:
> > Well, here's the code (for DJGPP) I have in libsocket:
> 
> Many other DJGPP programs have the equivalent of this.  Emacs does it,
> and RHIDE does it as well (AFAIK).
> 
> >         r.x.ax = 0x160A;
> >         int86(0x2F, &r, &r);
> 
> Bad idea.  Calling Int 2Fh directly wedges the DOS box on some variants
> of Windows 95, in nested DJGPP programs.  Use __dpmi_int instead.  (It's
> in the DJGPP FAQ, btw.)

Thanks for pointing that out. I have actually seen it in the FAQ, but
clearly my brain was somewhere else at the time I wrote the above code.

> >                 if (_get_dos_version(1) == 0x532) {
> >                         win_version = WIN_NT;
> >                 }
> 
> And here lies the problem: this function indeed fails on NT and it also
> fails on W2K, in exactly the same manner.  Since _get_dos_version(1)
> also returns the same on both systems, we are back at the drawing board.
> 
> But I could tell you this in advance: those are the first things we
> tried to do to find the solution, and they didn't work.

OK, I was just answering Damian's question. I wasn't claiming to have a
solution for Win2k, just to have some code that answered Damian's
question.

I wonder if the Windows NT 5 beta or Win2k DDKs would have any info on
this?

Bye,

-- 
Richard Dawe
richdawe AT bigfoot DOT com ICQ 47595498 http://www.bigfoot.com/~richdawe/