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
10#ifndef _LIBCPP_STOP_TOKEN
11#define _LIBCPP_STOP_TOKEN
12
13/*
14
15namespace std {
16 // [stoptoken], class stop_token
17 class stop_token;
18
19 // [stopsource], class stop_source
20 class stop_source;
21
22 // no-shared-stop-state indicator
23 struct nostopstate_t {
24 explicit nostopstate_t() = default;
25 };
26 inline constexpr nostopstate_t nostopstate{};
27
28 // [stopcallback], class template stop_callback
29 template<class Callback>
30 class stop_callback;
31
32*/
33
34#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
35# include <__cxx03/__config>
36#else
37# include <__config>
38
39# if _LIBCPP_HAS_THREADS
40
41# if _LIBCPP_STD_VER >= 20
42# include <__stop_token/stop_callback.h>
43# include <__stop_token/stop_source.h>
44# include <__stop_token/stop_token.h>
45# endif
46
47# include <version>
48
49# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
50# pragma GCC system_header
51# endif
52
53# endif // _LIBCPP_HAS_THREADS
54
55# if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
56# include <cstddef>
57# include <iosfwd>
58# endif
59#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
60
61#endif // _LIBCPP_STOP_TOKEN