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 {
11 #if _LIBCPP_HAS_THREADS
12 // [stoptoken], class stop_token
13 using std::stop_token;
15 // [stopsource], class stop_source
16 using std::stop_source;
18 // no-shared-stop-state indicator
19 using std::nostopstate;
20 using std::nostopstate_t;
22 // [stopcallback], class template stop_callback
23 using std::stop_callback;
24 #endif // _LIBCPP_HAS_THREADS