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Mail Archives: djgpp/1998/12/17/06:13:59

Date: Thu, 17 Dec 1998 13:13:13 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
X-Sender: eliz AT is
To: Robert Darmochwal <robertd AT aldec DOT katowice DOT pl>
cc: djgpp listserv <djgpp AT delorie DOT com>
Subject: Re: how to switch tasks ?
In-Reply-To: <199812170813.DAA27099@delorie.com>
Message-ID: <Pine.SUN.3.91.981217131114.2441B-100000@is>
MIME-Version: 1.0
Reply-To: djgpp AT delorie DOT com

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.

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