Eric Norum norume at aps.anl.gov
Fri Mar 23 15:18:05 UTC 2007

On Mar 23, 2007, at 9:14 AM, Sergei Organov wrote:

> Besides, it will allow to get rid of current run-time dispatch of  
> every
> operation on either mutex or semaphore between kernel mutex and
> semaphore code, respectively.

Perhaps I misunderstand this statement.

The semantics of a strict priority scheduler require that unlocking a  
mutex perform a check to see whether a higher priority task is  
blocked waiting for that mutex -- if so a task switch is required.   
Does your statement imply some either kind of operation?

Eric Norum <norume at aps.anl.gov>
Advanced Photon Source
Argonne National Laboratory
(630) 252-4793

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