[PATCH] D58492: [clangd] Add thread priority lowering for MacOS as well

[Kadir Cetinkaya via Phabricator via cfe-commits]

kadircet added a comment.

This one was used in a few different places in clang, for ex: https://github.com/llvm-mirror/clang/blob/master/tools/libclang/CIndex.cpp#L8713. Therefore I've used the same funcitonality.

Regarding `pthread_setschedparam` does setting prioirty to `PTHREAD_MIN_PRIORITY` on either `SCHED_FIFO` or `SCHED_RR` policy corresponds to `SCHED_IDLE` in linux(http://man7.org/linux/man-pages/man7/sched.7.html)?


Repository:
  rCTE Clang Tools Extra

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  https://reviews.llvm.org/D58492/new/

https://reviews.llvm.org/D58492