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#include <__config>
35
36#if !defined(_LIBCPP_HAS_NO_THREADS)
37
38# if _LIBCPP_STD_VER >= 20
39# include <__stop_token/stop_callback.h>
40# include <__stop_token/stop_source.h>
41# include <__stop_token/stop_token.h>
42# endif
43
44# include <version>
45
46# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
47# pragma GCC system_header
48# endif
49
50#endif // !defined(_LIBCPP_HAS_NO_THREADS)
51
52#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
53# include <iosfwd>
54#endif
55
56#endif // _LIBCPP_STOP_TOKEN
57