[libc-commits] [libc] [libc] add `pthread_cond_*` public interfaces (PR #193656)

[Schrodinger ZHU Yifan via libc-commits]

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+//===-- Integration test for pthread condition variables ------------------===//
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SchrodingerZhu wrote:

I think these are good suggestions. It is also a good thing to test PTHREAD_COND_INITIALIZER should initialize condvar as bytewise-eq as the null attribute. I will add one test.

https://github.com/llvm/llvm-project/pull/193656