|  | // -*- 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 |