From: "smile773" <smile773 AT bigfoot DOT com>
Newsgroups: comp.os.msdos.djgpp
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Subject: Re: __go32__dpmi ?
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Date: Sun, 18 Jun 2000 18:25:27 GMT
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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

Since the "old handler " usually in bios is also relevant
Is it possible to reflash the bios to include
some gnu friendly exception.


Eli Zaretskii <eliz AT is DOT elta DOT co DOT il> wrote in message
news:200006181709 DOT UAA14112 AT mailgw1 DOT netvision DOT net DOT il...
> > From: "smile773" <smile773 AT bigfoot DOT com>
> > Newsgroups: comp.os.msdos.djgpp
> > Date: Sun, 18 Jun 2000 15:15:39 GMT
> > >
> > > I should warn you up front that real-mode callbacks have some
downsides;
> > > for starters, they are non-reentrant.
> > *********************************************************************
> > Does non-reentrant mean that the attributes bytes can be swapped only as
> > they
> > are caught and not after the application completes ?
>
> No, it means that if you are in the middle of handling an Int 10h
> function call, and someone calls another function of Int 10h, the
> second call will not end up in your handler, it will be routed to the
> old handler (in the BIOS, usually).