Re: [PATCH] unified SysV and Posix mqueues as FS

From: H. Peter Anvin (hpa@zytor.com)
Date: Sun Oct 27 2002 - 14:49:43 EST

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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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