[libc-commits] [libc] [libc] Add Darwin mutex support via os_sync primitives (PR #167722)

[via libc-commits]

================
@@ -21,8 +21,14 @@
 
 #include "llvm-libc-macros/linux/error-number-macros.h"
 
-#else // __linux__
+#elif __APPLE__
----------------
lntue wrote:

`defined(__APPLE__)`

https://github.com/llvm/llvm-project/pull/167722