From owner-freebsd-hackers  Sat Mar 21 16:15:37 1998
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Subject: Re: mremap?
In-Reply-To: <199803212152.OAA06633@usr09.primenet.com> from Terry Lambert at "Mar 21, 98 09:52:58 pm"
To: tlambert@primenet.com (Terry Lambert)
Date: Sat, 21 Mar 1998 19:14:59 -0500 (EST)
Cc: jlemon@americantv.com, mike@smith.net.au, perlsta@cs.sunyit.edu,
        hackers@FreeBSD.ORG
From: "John S. Dyson" <dyson@FreeBSD.ORG>
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Terry Lambert said:
> 
> My preferred mechanism for doing this would be to use a call through
> procfs to establish the mapping.
> 
> Of course, I preferred using procfs to set attributes on one's self
> instead of an rfork implementation (this is, in fact, how I implemented
> the interprocess sharng of the per process descriptor table in UnixWare).
>
Rather than invent lots of primitives, we need to continue to use
the existing and sufficient VM primitves.  The VM code is really
flexible and easy to use.  If anything, you could implement the
procfs stuff over the VM code if you want to.

-- 
John                  | Never try to teach a pig to sing,
dyson@freebsd.org     | it just makes you look stupid,
jdyson@nc.com         | and it irritates the pig.

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