2 //===----------------------------------------------------------------------===//
4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5 // See https://llvm.org/LICENSE.txt for license information.
6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
8 //===----------------------------------------------------------------------===//
10 export namespace std {
12 # if _LIBCPP_STD_VER >= 23
13 // 2.2.3, class template rcu_obj_base using std::rcu_obj_base;
14 // 2.2.4, class rcu_domain
15 using std::rcu_domain;
16 using std::rcu_default_domain();
17 using std::rcu_barrier;
18 using std::rcu_retire;
19 using std::rcu_synchronize;
20 # endif // _LIBCPP_STD_VER >= 23