From:	Chris Wahlen <nc AT earthling DOT net>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Memory protection
Date:	Sat, 21 Mar 1998 03:30:05 -0600
Organization:	CyberNews Network
Lines:	11
Message-ID:	<3513889C.71AAF41A@earthling.net>
References:	<00025A71.MAI*/G=THIERRY/I=TI/S=IMMORDINO/O=TSI/PRMD=THOMSON/ADMD=ATLAS/C=FR/@MHS>
Reply-To:	nc AT earthling DOT net
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Mime-Version:	1.0
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

> Hi,
>
> How can I protect, some part of the memory (variables, task stack, ..) from
> overwrites ? (mprotect perhaps )
>

mprotect() will restrict a certain memory location from being read, written, or
both.  You have to specify the memory in 4k chunks.  Keep in mind that it only
works under full DPMI 1.0 (i.e. Windows95 DPMI won't support it), however,
CWSDPMI does.

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