* [Xenomai-help] Running SOLO without superuser privileges?
@ 2010-03-01 23:12 Michael Buksas
2010-03-02 9:27 ` Philippe Gerum
0 siblings, 1 reply; 2+ messages in thread
From: Michael Buksas @ 2010-03-01 23:12 UTC (permalink / raw)
To: xenomai
Hi all,
Is it possible to run, or perhaps build Xenomai/SOLO to run without
superuser privileges? I don't need real-time performance guarantees for
this particular application.
Thanks,
Mike Buksas
--
Michael W. Buksas
CCS-2: Transport Methods
Los Alamos National Laboratory
(505) 667-7580
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [Xenomai-help] Running SOLO without superuser privileges?
2010-03-01 23:12 [Xenomai-help] Running SOLO without superuser privileges? Michael Buksas
@ 2010-03-02 9:27 ` Philippe Gerum
0 siblings, 0 replies; 2+ messages in thread
From: Philippe Gerum @ 2010-03-02 9:27 UTC (permalink / raw)
To: Michael Buksas; +Cc: xenomai
On Mon, 2010-03-01 at 16:12 -0700, Michael Buksas wrote:
> Hi all,
>
> Is it possible to run, or perhaps build Xenomai/SOLO to run without
> superuser privileges? I don't need real-time performance guarantees for
> this particular application.
No, this won't work. The entire emulation engine assumes that your
threads may be given different static priorities above 0; the current
implementation won't work with SCHED_OTHER threads. Besides, this does
not make much sense to emulate a priority-based scheduler without any
consideration for priority levels.
/etc/security/limits.conf may help to allow selected non-root users to
gain RT priority.
>
> Thanks,
> Mike Buksas
>
--
Philippe.
^ permalink raw reply [flat|nested] 2+ messages in thread
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2010-03-01 23:12 [Xenomai-help] Running SOLO without superuser privileges? Michael Buksas
2010-03-02 9:27 ` Philippe Gerum
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