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___CXX03_STOP_TOKEN 11#define _LIBCPP___CXX03_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 <__cxx03/__config> 35 36#if !defined(_LIBCPP_HAS_NO_THREADS) 37 38# if _LIBCPP_STD_VER >= 20 39# include <__cxx03/__stop_token/stop_callback.h> 40# include <__cxx03/__stop_token/stop_source.h> 41# include <__cxx03/__stop_token/stop_token.h> 42# endif 43 44# include <__cxx03/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 <__cxx03/iosfwd> 54#endif 55 56#endif // _LIBCPP___CXX03_STOP_TOKEN 57