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To: linux-kernel@vger.kernel.org
From: "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH] unified SysV and Posix mqueues as FS
Date: 27 Oct 2002 11:49:43 -0800
Organization: Transmeta Corporation, Santa Clara CA
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References: <3DBC075B.AF32C23@mac.com> <Pine.GSO.4.21.0210271052170.1416-100000@steklov.math.psu.edu>
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Followup to:  <Pine.GSO.4.21.0210271052170.1416-100000@steklov.math.psu.edu>
By author:    Alexander Viro <viro@math.psu.edu>
In newsgroup: linux.dev.kernel
> 
> On Sun, 27 Oct 2002, Peter Waechtler wrote:
> 
> > I applied the patch from Jakub against 2.5.44
> > There are still open issues but it's important to get this in before
> > feature freeze.
> > 
> > While you can implement Posix mqueues in userland (Irix is doing this
> > with fcntl(fd,F_SETLKW,) and shmem) a kernel implementation has some advantages:
> 
> *thud*
> 
> ioctls on _directories_, of all things?
> 

Yup.  There are plenty of them already.

	-hpa
-- 
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt	<amsp@zytor.com>
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