Date: Mon, 27 Jan 1997 18:51:32 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
To: John Eccleston <johne AT parallax DOT co DOT uk>
cc: djgpp AT delorie DOT com
Subject: Re: Help: Chaining interrupts
In-Reply-To: <854355955.351530@red.parallax.co.uk>
Message-ID: <Pine.SUN.3.91.970127184958.9059J-100000@is>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII


On Mon, 27 Jan 1997, John Eccleston wrote:

> At the risk of overstaying my welcome could someone please explain why
> whenever I chain interrupts using: 
> 
>      _go32_dpmi_chain_protected_mode_interrupt_vector
> 
> my program crashes, but when just replacing the existing handler with a 
> handler wrapped using:
> 
>      _go32_dpmi_allocate_iret_wrapper
> 
> everything works fine.

Please post both the code which works and the one which doesn't.  It 
isn't entirely clear what exactly do you replace with what.