[libc-commits] [libc] [libc] Add an extension macro to get numerical thread id (PR #195202)

[Schrodinger ZHU Yifan via libc-commits]

SchrodingerZhu wrote:

I got your point. Let's just push forward the extension approach and see the required change surface then. 

https://github.com/llvm/llvm-project/pull/195202