patacongo commented on issue #37: examples: hello: Show CPU index when running in SMP mode URL: https://github.com/apache/incubator-nuttx-apps/pull/37#issuecomment-580564661 sched_lock() is made available to applications via a syscall. That was a very bad decision that I made long ago. If pre-emption is disabled, then the task would be locked to a CPU and should be stable until sched_unlock() is called. In that case, the CPU number would remain valid thoughout that interval (but might likely change when sched_unlock() is called). But I don't like the idea of using several non-standard interfaces to make a new non-standard interface work. That just does not feel good to me. I would prefer that we do not go this way at all, this is not in the spirit of OpenGroup.org and the Inviolable principles of the OS.
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