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 #ifndef _LIBCPP_HAS_NO_THREADS
12 # ifdef _LIBCPP_ENABLE_EXPERIMENTAL
13 // [stoptoken], class stop_token
14 using std::stop_token;
16 // [stopsource], class stop_source
17 using std::stop_source;
19 // no-shared-stop-state indicator
20 using std::nostopstate;
21 using std::nostopstate_t;
23 // [stopcallback], class template stop_callback
24 using std::stop_callback;
25 # endif // _LIBCPP_ENABLE_EXPERIMENTAL
26 #endif // _LIBCPP_HAS_NO_THREADS