1// -*- C++ -*- 2//===----------------------------------------------------------------------===// 3// 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 7// 8//===----------------------------------------------------------------------===// 9 10export namespace std { 11#if 0 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 21#endif 22} // namespace std 23