Message-Id: <199812171120.GAA05866@delorie.com>
From: "Robert Darmochwal" <robertd AT aldec DOT katowice DOT pl>
To: "Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il>
Cc: "djgpp listserv" <djgpp AT delorie DOT com>
Subject: Re: how to switch tasks ?
Date: Thu, 17 Dec 1998 12:19:28 +0100
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and if i wanted to do that manual ?
like messing with crX,task regs, and so on ?.



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> From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
> To: Robert Darmochwal <robertd AT aldec DOT katowice DOT pl>
> Cc: djgpp listserv <djgpp AT delorie DOT com>
> Subject: Re: how to switch tasks ?
> Date: Thursday, December 17, 1998 12:13 PM
> 
> 
> On Thu, 17 Dec 1998, Robert Darmochwal wrote:
> 
> > any chance of success to enable task switching
> > under go32/djgpp ?
> 
> It might be possible, but it's very tricky.  The DPMI spec explicitly 
> forbids task switching inside a real-mode interrupt handler (such as a 
> timer tick handler).  So AFAIK this is impossible without relying on 
> specific internal details of a certain DPMI server.