[zeromq-dev] ZeroMQ background threads

[Francesco]

Hi,



> I would suggest to start simple. Just use the int for now, and document
> the limitation. The context option will have to be DRAFT anyway for at
> least a while, so it can be changed if necessary. Then we can iterate.
>

I agree. I just completed the changes and submitted a first PR to allow you
to comment on the proposed change.

Unfortunately I found out that there are no automated tests about
ZMQ_THREAD_PRIORITY and ZMQ_THREAD_SCHED_POLICY options; thus to test my
changes I modified tests/test_ctx_options.cpp to add new calls. If you
uncomment the sleep() call I put there, you can use "top" or "taskset" to
verify that the change works correctly.
Unfortunately I have no good idea on how to implement automated testing of
such options; the only way I see would be to add a getter of the thread IDs
(TIDs aka PIDs) of background threads...

Let me know what you think about that.

Thanks,
Francesco
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