[libc-commits] [libc] [libc] add rwlock (PR #94156)

[Schrodinger ZHU Yifan via libc-commits]

SchrodingerZhu wrote:

There seem to be some bugs.
 @QuarticCat could you take a look? I will also be debugging this tomorrow.

https://github.com/llvm/llvm-project/pull/94156