On Thu, 18 May 2000 22:02:33 -0400, Paul Barton-Davis <pbd@Op.Net> wrote:
> >From: Alexander Viro <viro@math.psu.edu>
> >Date: Thu, 18 May 2000 02:04:16 -0400 (EDT)
> >Subject: Re: Linux 2.3.99pre9-2 JOB list
> >
> >... not to mention the fact that GUI suid-root anything is a
> >_really_ scary idea,
>
> perhaps you can explain how an audio application with a GUI that needs
> to take advantage of SCHED_FIFO in some subset of its threads, and/or
> mlock(2), can be run without suid (or sudo, though it seems that the
> problems there are pretty similar) ?
SCHED_FIFO can be done with a 18-line suid helper wrapper. I don't
see why it couldn't fork() and exec() a helper app to mlock() a shared
memory segment for audio data buffering.
(No, that won't let you mlock in the code, etc. For that, you do need
suid.)
-- Aaron Denney -><-- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
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