Date: Tue, 15 Feb 2000 09:45:27 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
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To: Marcus <mesthlm AT hem DOT passagen DOT se>
cc: djgpp AT delorie DOT com
Subject: Re: System hangs when I exit my program
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On Mon, 14 Feb 2000, Marcus wrote:

> I have a big problem. My program can't shutdown correct and hangs on
> shutdown. Sometimes the system hangs too. I use VESA 2, a mouse hook and a
> keyboard hook. I think the hooks are the problem since I don't know how to
> quit the mouse hook I do with INT 33 - Ch.

Section 18.8 of the DJGPP FAQ list (v2/faq230b.zip from the usual
DJGPP sites) explains in a footnote how to revert the mouse hook at
program exit time.  If something in the FAQ is unclear, please ask
specific questions.