[libc-commits] [libc] [libc] implement cached process/thread identity (PR #95965)

[Nick Desaulniers via libc-commits]

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@@ -517,4 +517,6 @@ void thread_exit(ThreadReturnValue retval, ThreadStyle style) {
   __builtin_unreachable();
 }
 
+pid_t Thread::get_uncached_tid() { return syscall_impl<pid_t>(SYS_gettid); }
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nickdesaulniers wrote:

Can we clean up the number of places that we call `SYS_gettid` directly?  Looks like `gettid_inline` does this, too.

https://github.com/llvm/llvm-project/pull/95965