Evgeniy Polyakov wrote:
But in this case it will be impossible to have SIGEV_THREAD and SIGEV_KEVENT at the same time, it will be just the same as SIGEV_SIGNAL but with different delivery mechanism. Is is what you expect for that?
Yes, that's expected. The event if for the queue, not directed to a specific thread.
If in future we want to think about preferably waking a specific thread we can then think about it. But I doubt that'll be beneficial. The thread specific part in the signal handling is only used to implement the SIGEV_THREAD notification.
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