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Date:	Sun, 19 Dec 2004 06:53:17 +0200
From:	"Eli Zaretskii" <eliz AT gnu DOT org>
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In-reply-to:	<20041218170405.4f8da7aa.lijon@kymatica.com> (message from
	Jonatan Liljedahl on Sat, 18 Dec 2004 17:04:05 -0200)
Subject:	Re: Problems with timer interrupt chaining and SmartDrv
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> Date: Sat, 18 Dec 2004 17:04:05 -0200
> From: Jonatan Liljedahl <lijon AT kymatica DOT com>
> 
> So what DOES disable() do if it doesn't disable interrupts?

It emits the CLI instruction (as you might see in the sources).
However, depending on what you have installed on the machine, the CPU
flags might be virtualized.  It's a mess.

> > Doesn't the LFN driver support function 710Dh?  AFAIK, it's part of
> > the AH=71h family that an LFN driver should support.
> 
> I don't know... Does the LFN driver chain this to smartdrv's int to tell
> it to flush?

I really don't know.  Looking in the sources of the driver might help.

> > It figures.  Reprogramming the PIT on Windows is a tricky business,
> > since Windows virtualizes the PIT.
> > I'd consider Windows as unsuitable platform for your software.
> 
> I agree, but some people might not want to install a plain DOS just to
> run my software, so it _would_ be great if it worked.

It would be great, but I don't think it's feasible.

> I don't get my own messages I sent to this list, is this some setting on
> the list server or is something wrong?

Your message to get through, since otherwise I wouldn't be able to
read them.

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