Giovanni Tusa wrote:
If I am not wrong, the scheduler will choose it again (it will be still the higher priority task, and the only of its priority list). I have to add an explicit sleep to effectively relinquish the CPU for some time, or the scheduler can deal with such a situation in another way?
Yes, the scheduler will choose it again. This behaviour is also specified in the relevant standards.
Your alternatives may be to use other methods of userspace synchronisation (eg. pipes, semaphores), or to use timers.
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