[libc-commits] [libc] [libc][POSIX][pthreads] implemented missing pthread_rwlockattr functions (PR #90249)

[Michael Jones via libc-commits]

https://github.com/michaelrj-google approved this pull request.

This patch looks good to me, thanks for submitting it! Feel free to ping me if you need me to merge it for you.

https://github.com/llvm/llvm-project/pull/90249