[libc-commits] [libc] [libc][threads] adjust futex library and expose requeue API (PR #192478)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,h -- libc/src/__support/threads/futex_utils.h libc/test/src/__support/threads/futex_utils_test.cpp libc/src/__support/threads/CndVar.h libc/src/__support/threads/darwin/futex_utils.h libc/src/__support/threads/linux/futex_utils.h libc/src/__support/threads/raw_mutex.h libc/src/semaphore/posix_semaphore.h --diff_from_common_commit
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``````````diff
diff --git a/libc/src/__support/threads/CndVar.h b/libc/src/__support/threads/CndVar.h
index f7f0bb6c5..a423b65bf 100644
--- a/libc/src/__support/threads/CndVar.h
+++ b/libc/src/__support/threads/CndVar.h
@@ -11,7 +11,7 @@
 
 #include "hdr/stdint_proxy.h" // uint32_t
 #include "src/__support/macros/config.h"
-#include "src/__support/threads/futex_utils.h" // Futex
+#include "src/__support/threads/futex_utils.h"       // Futex
 #include "src/__support/threads/mutex.h"             // Mutex
 #include "src/__support/threads/raw_mutex.h"         // RawMutex
 
diff --git a/libc/src/__support/threads/darwin/futex_utils.h b/libc/src/__support/threads/darwin/futex_utils.h
index 6ce368a70..464d78a83 100644
--- a/libc/src/__support/threads/darwin/futex_utils.h
+++ b/libc/src/__support/threads/darwin/futex_utils.h
@@ -79,8 +79,7 @@ struct Futex : public cpp::Atomic<FutexWordType> {
 
   LIBC_INLINE ErrorOr<int> requeue_to(Futex & /*other*/,
                                       cpp::optional<FutexWordType> /*oldval*/,
-                                      int /*wake_limit*/,
-                                      int /*requeue_limit*/,
+                                      int /*wake_limit*/, int /*requeue_limit*/,
                                       bool /*is_shared*/ = false) {
     return cpp::unexpected(ENOSYS);
   }

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https://github.com/llvm/llvm-project/pull/192478