From: Martin Str|mberg <ams AT speedy DOT ludd DOT luth DOT se>
Subject: Re: Hooking protected mode interrupts
Newsgroups: comp.os.msdos.djgpp
References: <3CF4EF43 DOT BC5325C9 AT arcor DOT de>
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Date: 28 May 2002 18:41:36 GMT
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To: djgpp AT delorie DOT com
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Lars Erdmann <lars DOT erdmann AT arcor DOT de> wrote:
: I have successfully hooked a protected mode interrupt.
: Now I have read in some note, that the protected mode wrapper that is
: obtained via _go32_dpmi_alloc_iret_wrapper (or so) or via
: _go32_chain_protected_mode_interrupt_vector (or so) is not locked by
: djgpp.
: Since it is essential to lock all code and data accessed during
: interrupt time, I wonder if I risk a trap in my app.

Yes.

: Has this been fixed/changed in the newest release, maybe ?

There's nothing to fix.

: If not, what is the workaround ?

To lock it (ummm, I must misunderstand you because this is obvious)!


Right,

						MartinS