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	Mon, 4 Aug 1997 19:50:23 -0500 (EST)
From: "John S. Dyson" <toor@dyson.iquest.net>
Message-Id: <199708050050.TAA01021@dyson.iquest.net>
Subject: Re: mmap and MAP_ANON
In-Reply-To: <199784172215241@> from "rtwalsh@ix.netcom.com" at "Aug 4, 97 07:22:36 pm"
To: rtwalsh@ix.netcom.com
Date: Mon, 4 Aug 1997 19:50:23 -0500 (EST)
Cc: questions@FreeBSD.ORG
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> Hello there,
> 
> Sorry to bug you with a question, but I couldn't find the answer anywhere, so here goes:
> 
> I am trying to create a "named" memory map, with the name being "69", as in the function call 
> below:
> 
>   pMem1 = mmap( NULL, 100000, PROT_READ | PROT_WRITE, MAP_ANON | MAP_SHARED, 69, 0 );
> 
Probably broken.

>
> Any suggestions as to how I can get a 
> moderately secure block of shared memory?
> 
Try mmaping a file.  You can use file access perms for security.

John