Jeff Hill wrote:
1) On linux you must be running as root in order to be able
to set SCHED_FIFO.
The code is written to silently revert to non-priority
scheduling if EPERM is returned.
I am curious. Is it possible to specify scheduling priorities for threads,
even if process global strict FIFO scheduling of isn't permissible?
It is a very good idea I think to have some sort of prioritized scheduling
for the threads even if it isn't perfect. I know that UNIX can prioritize
time slicing of processes, but perhaps this can't yet be applied to
individual threads?
pthread priority scheduling does not guarantee very much.
I don't see any easy OSI way to guarantee anything about scheduling.
Marty
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