Date:	Tue, 4 Jul 2000 08:25:23 +0300 (IDT)
From:	Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
X-Sender:	eliz AT is
To:	Nate Eldredge <neldredge AT hmc DOT edu>
cc:	djgpp AT delorie DOT com
Subject:	Re: Where can I get a Thread safe malloc debugger?
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On 3 Jul 2000, Nate Eldredge wrote:

> No, they really are the same thing.  Trust me ;-).  Both of them call
> mprotect(...,PROT_NONE).  This causes one or more pages to be unmapped
> from the process's address space.  But neither use any more elaborate
> "protection" than this.

I might be mistaken (I looked at efence a long time ago), but I think it 
also requires mmap and /dev/zero.

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