Date: Sun, 1 Aug 1999 11:40:38 +0300 (IDT)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
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To: Rock <rock2000 AT ntplx DOT com>
cc: djgpp AT delorie DOT com
Subject: Re: Page Locking DOS memory
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On Fri, 30 Jul 1999, Rock wrote:

> I'm trying to lock a region of memory aquired through DPMI's 0x100
> function (Allocate DOS memoy). When I try to lock this region, it
> fails. Do I need to lock DOS memory? (The DPMI spec says that DOS
> memory is locked by default on *SOME* DPMIs). 

If the call to lock that memory fails, it means it's already locked.
So you don't have to worry.