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From: Hans-Bernhard Broeker <broeker AT physik DOT rwth-aachen DOT de>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Hardware interrupt stack and task switching
Date: 3 Oct 2003 11:29:54 GMT
Organization: Aachen University of Technology (RWTH)
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Arne <ahenric AT ccii DOT co DOT za> wrote:
> statement in config.sys. This unfortunately does not change anything
> for me. So my question: is the DPMI host allocating stacks for each HW
> ISR? 

AFAIK, it is.  To be sure, you'll have to contact the actual DPMI
spec.

> If that is so, how can I do task switching from the ISR? Is it at
> all possible?

I suspect you can't.  Not unless the "tasks" themselves are actually
controlled by the DPMI server, that is, rather than your own kernel.

-- 
Hans-Bernhard Broeker (broeker AT physik DOT rwth-aachen DOT de)
Even if all the snow were burnt, ashes would remain.