[libc-commits] [libc] [libc] rework mutex (PR #92168)

[Schrodinger ZHU Yifan via libc-commits]

SchrodingerZhu wrote:

> some comments, but overall looks good. I would like to get a chance to review and approve one last time before this lands thought

Sure!

https://github.com/llvm/llvm-project/pull/92168