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SubjectRe: CD writing in future Linux (stirring up a hornets' nest) (was: Rationale for RLIMIT_MEMLOCK?)
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On Mon, 2006-01-23 at 22:21 +0100, Matthias Andree wrote:
> On Mon, 23 Jan 2006, Lee Revell wrote:
>
> > You will be happy to know that in future Linux distros, cdrecord will
> > not require setuid to mlock() and get SCHED_FIFO - both are now
> > controlled by rlimits, so if the distro ships with a sane PAM/group
> > configuration, all you will need to do is add cdrecord users to the
> > "realtime" or "cdrecord" or "audio" group.
>
> Sounds really good. Can you give a pointer as to the detailed rlimit
> requirements?

One thing I believe is still unresolved is that despite the new rlimits,
sched_get_priority_max(SCHED_FIFO) always returns 99 rather than
RLIMIT_RTPRIO.

Lee

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