1 files changed, 19 insertions, 0 deletions
diff --git a/libcxx/modules/std/semaphore.cppm b/libcxx/modules/std/semaphore.cppm
new file mode 100644
index 000000000000..7b81460ed263
--- /dev/null
+++ b/libcxx/modules/std/semaphore.cppm
@@ -0,0 +1,19 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+module;
+#include <semaphore>
+
+export module std:semaphore;
+export namespace std {
+  // [thread.sema.cnt], class template counting_semaphore
+  using std::counting_semaphore;
+
+  using std::binary_semaphore;
+} // namespace std