Real-time and priorities

[Marius Amado-Alves]

(Sorry if this has been asked before. I searched but did not find.)

How does ParaSail or Sparkel handle real-time requirements e.g. a periodic task, and priorities including preemption and interrupts?

Thanks.

[Tucker Taft]

ParaSail has the notion of "concurrent objects" which enable safe synchronized access to shared data, but also provide real-time event-based programming, by using "queued" access based on a "dequeue condition" which can be an arbitrary boolean condition, or can be a time-based condition.  For examples included in the ParaSail release, see the PSL::Core::Clock, PSL::Core::Atomic, and PSL::Core::IO modules in lib/aaa.psi, and the "Drinking Philosophers" example in examples/drinking_phils.psl.

Feel free to ask more specific questions based on these examples.

-Tuck

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