Date:	Sun, 22 Dec 2002 07:54:59 +0200 (IST)
From:	Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
X-Sender:	eliz AT is
To:	Ewout Boks <kiwanda AT boks DOT com>
cc:	djgpp AT delorie DOT com
Subject:	Re: djgpp hw interrupt seg fault
In-Reply-To:	<3e02386f$0$88849$e4fe514c@news.xs4all.nl>
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Reply-To:	djgpp AT delorie DOT com
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On Thu, 19 Dec 2002, Ewout Boks wrote:

> I installed a similar handler for the timer hook (using
> _go32_dpmi_set_protected_mode_interrupt_vector() ) and I locked all
> variables and code involved using the go32 lock functions. The handler
> itself does all the necessary pushing and pooing of registers etc.
> 
> When I run the code (on Win NT in a DOS box) I get a segmentation fault
> as soon as the handler tries to modify a global variable - data local to
> the handler can be manipulated without problems.

Did you lock that global variable as well?

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