[EXTERNAL] rtems_semaphore routines on SMP systems

[Sebastian Huber]

On 28/09/2021 11:46, Heinz Junkes wrote:
> Unfortunately we found out that EPICS uses the mutex handling also in the interrupt context
> and this leads to core-dumps in RTEMS :-(

Yes, using any kind of mutexes in interrupt context is undefined 
behaviour. Mutexes may only be used from threads.

Which RTEMS semaphore classes do you use in EPICS and in particular 
which classes do you use in interrupt context?

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