boost/lockfree/lockfree_forward.hpp

0001 //  Copyright (C) 2008-2016 Tim Blechmann
0002 //
0003 //  Distributed under the Boost Software License, Version 1.0. (See
0004 //  accompanying file LICENSE_1_0.txt or copy at
0005 //  http://www.boost.org/LICENSE_1_0.txt)
0006
0007
0008 #ifndef BOOST_LOCKFREE_FORWARD_HPP_INCLUDED
0009 #define BOOST_LOCKFREE_FORWARD_HPP_INCLUDED
0010
0011 #include <boost/config.hpp>
0012 #ifdef BOOST_HAS_PRAGMA_ONCE
0013 #    pragma once
0014 #endif
0015
0016
0017 #ifndef BOOST_DOXYGEN_INVOKED
0018
0019 #    include <cstddef>
0020 #    if !defined( BOOST_NO_CXX20_HDR_CONCEPTS )
0021 #        include <type_traits>
0022 #    endif
0023
0024 namespace boost { namespace lockfree {
0025
0026 // policies
0027 template < bool IsFixedSized >
0028 struct fixed_sized;
0029
0030 template < size_t Size >
0031 struct capacity;
0032
0033 template < class Alloc >
0034 struct allocator;
0035
0036
0037 // data structures
0038
0039 template < typename T, typename... Options >
0040 #    if !defined( BOOST_NO_CXX20_HDR_CONCEPTS )
0041     requires( std::is_copy_assignable_v< T >,
0042               std::is_trivially_assignable_v< T&, T >,
0043               std::is_trivially_destructible_v< T > )
0044 #    endif
0045 class queue;
0046
0047 template < typename T, typename... Options >
0048 #    if !defined( BOOST_NO_CXX20_HDR_CONCEPTS )
0049     requires( std::is_copy_assignable_v< T > || std::is_move_assignable_v< T > )
0050 #    endif
0051 class stack;
0052
0053 template < typename T, typename... Options >
0054 #    if !defined( BOOST_NO_CXX20_HDR_CONCEPTS )
0055     requires( std::is_default_constructible_v< T >, std::is_move_assignable_v< T > || std::is_copy_assignable_v< T > )
0056 #    endif
0057 class spsc_queue;
0058
0059 template < typename T, typename... Options >
0060 struct spsc_value;
0061
0062 }}     // namespace boost::lockfree
0063
0064 #endif // BOOST_DOXYGEN_INVOKED
0065 #endif // BOOST_LOCKFREE_FORWARD_HPP_INCLUDED