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 _LIBCPP_HAS_THREADS 12 // [stoptoken], class stop_token 13 using std::stop_token; 14 15 // [stopsource], class stop_source 16 using std::stop_source; 17 18 // no-shared-stop-state indicator 19 using std::nostopstate; 20 using std::nostopstate_t; 21 22 // [stopcallback], class template stop_callback 23 using std::stop_callback; 24#endif // _LIBCPP_HAS_THREADS 25} // namespace std 26