162 lines
5.0 KiB
Plaintext
162 lines
5.0 KiB
Plaintext
/*
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* Distributed under the Boost Software License, Version 1.0.
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* (See accompanying file LICENSE_1_0.txt or copy at
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* http://www.boost.org/LICENSE_1_0.txt)
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*
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* Copyright (c) 2014 Andrey Semashev
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*/
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/*!
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* \file atomic/capabilities.hpp
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*
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* This header defines feature capabilities macros.
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*/
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#ifndef BOOST_ATOMIC_CAPABILITIES_HPP_INCLUDED_
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#define BOOST_ATOMIC_CAPABILITIES_HPP_INCLUDED_
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#include <boost/atomic/detail/config.hpp>
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#include <boost/atomic/detail/platform.hpp>
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#include <boost/atomic/detail/int_sizes.hpp>
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#if !defined(BOOST_ATOMIC_EMULATED)
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#include BOOST_ATOMIC_DETAIL_HEADER(boost/atomic/detail/caps_)
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#endif
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#ifdef BOOST_HAS_PRAGMA_ONCE
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#pragma once
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#endif
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#ifndef BOOST_ATOMIC_INT8_LOCK_FREE
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#define BOOST_ATOMIC_INT8_LOCK_FREE 0
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#endif
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#ifndef BOOST_ATOMIC_INT16_LOCK_FREE
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#define BOOST_ATOMIC_INT16_LOCK_FREE 0
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#endif
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#ifndef BOOST_ATOMIC_INT32_LOCK_FREE
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#define BOOST_ATOMIC_INT32_LOCK_FREE 0
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#endif
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#ifndef BOOST_ATOMIC_INT64_LOCK_FREE
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#define BOOST_ATOMIC_INT64_LOCK_FREE 0
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#endif
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#ifndef BOOST_ATOMIC_INT128_LOCK_FREE
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#define BOOST_ATOMIC_INT128_LOCK_FREE 0
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#endif
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#ifndef BOOST_ATOMIC_CHAR_LOCK_FREE
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#define BOOST_ATOMIC_CHAR_LOCK_FREE BOOST_ATOMIC_INT8_LOCK_FREE
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#endif
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#ifndef BOOST_ATOMIC_CHAR16_T_LOCK_FREE
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#define BOOST_ATOMIC_CHAR16_T_LOCK_FREE BOOST_ATOMIC_INT16_LOCK_FREE
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#endif
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#ifndef BOOST_ATOMIC_CHAR32_T_LOCK_FREE
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#define BOOST_ATOMIC_CHAR32_T_LOCK_FREE BOOST_ATOMIC_INT32_LOCK_FREE
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#endif
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#ifndef BOOST_ATOMIC_WCHAR_T_LOCK_FREE
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#if BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T == 1
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#define BOOST_ATOMIC_WCHAR_T_LOCK_FREE BOOST_ATOMIC_INT8_LOCK_FREE
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#elif BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T == 2
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#define BOOST_ATOMIC_WCHAR_T_LOCK_FREE BOOST_ATOMIC_INT16_LOCK_FREE
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#elif BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T == 4
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#define BOOST_ATOMIC_WCHAR_T_LOCK_FREE BOOST_ATOMIC_INT32_LOCK_FREE
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#elif BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T == 8
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#define BOOST_ATOMIC_WCHAR_T_LOCK_FREE BOOST_ATOMIC_INT64_LOCK_FREE
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#else
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#define BOOST_ATOMIC_WCHAR_T_LOCK_FREE 0
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#endif
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#endif
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#ifndef BOOST_ATOMIC_SHORT_LOCK_FREE
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#if BOOST_ATOMIC_DETAIL_SIZEOF_SHORT == 1
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#define BOOST_ATOMIC_SHORT_LOCK_FREE BOOST_ATOMIC_INT8_LOCK_FREE
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#elif BOOST_ATOMIC_DETAIL_SIZEOF_SHORT == 2
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#define BOOST_ATOMIC_SHORT_LOCK_FREE BOOST_ATOMIC_INT16_LOCK_FREE
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#elif BOOST_ATOMIC_DETAIL_SIZEOF_SHORT == 4
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#define BOOST_ATOMIC_SHORT_LOCK_FREE BOOST_ATOMIC_INT32_LOCK_FREE
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#elif BOOST_ATOMIC_DETAIL_SIZEOF_SHORT == 8
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#define BOOST_ATOMIC_SHORT_LOCK_FREE BOOST_ATOMIC_INT64_LOCK_FREE
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#else
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#define BOOST_ATOMIC_SHORT_LOCK_FREE 0
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#endif
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#endif
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#ifndef BOOST_ATOMIC_INT_LOCK_FREE
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#if BOOST_ATOMIC_DETAIL_SIZEOF_INT == 1
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#define BOOST_ATOMIC_INT_LOCK_FREE BOOST_ATOMIC_INT8_LOCK_FREE
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#elif BOOST_ATOMIC_DETAIL_SIZEOF_INT == 2
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#define BOOST_ATOMIC_INT_LOCK_FREE BOOST_ATOMIC_INT16_LOCK_FREE
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#elif BOOST_ATOMIC_DETAIL_SIZEOF_INT == 4
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#define BOOST_ATOMIC_INT_LOCK_FREE BOOST_ATOMIC_INT32_LOCK_FREE
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#elif BOOST_ATOMIC_DETAIL_SIZEOF_INT == 8
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#define BOOST_ATOMIC_INT_LOCK_FREE BOOST_ATOMIC_INT64_LOCK_FREE
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#else
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#define BOOST_ATOMIC_INT_LOCK_FREE 0
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#endif
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#endif
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#ifndef BOOST_ATOMIC_LONG_LOCK_FREE
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#if BOOST_ATOMIC_DETAIL_SIZEOF_LONG == 1
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#define BOOST_ATOMIC_LONG_LOCK_FREE BOOST_ATOMIC_INT8_LOCK_FREE
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#elif BOOST_ATOMIC_DETAIL_SIZEOF_LONG == 2
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#define BOOST_ATOMIC_LONG_LOCK_FREE BOOST_ATOMIC_INT16_LOCK_FREE
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#elif BOOST_ATOMIC_DETAIL_SIZEOF_LONG == 4
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#define BOOST_ATOMIC_LONG_LOCK_FREE BOOST_ATOMIC_INT32_LOCK_FREE
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#elif BOOST_ATOMIC_DETAIL_SIZEOF_LONG == 8
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#define BOOST_ATOMIC_LONG_LOCK_FREE BOOST_ATOMIC_INT64_LOCK_FREE
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#else
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#define BOOST_ATOMIC_LONG_LOCK_FREE 0
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#endif
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#endif
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#ifndef BOOST_ATOMIC_LLONG_LOCK_FREE
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#if BOOST_ATOMIC_DETAIL_SIZEOF_LLONG == 1
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#define BOOST_ATOMIC_LLONG_LOCK_FREE BOOST_ATOMIC_INT8_LOCK_FREE
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#elif BOOST_ATOMIC_DETAIL_SIZEOF_LLONG == 2
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#define BOOST_ATOMIC_LLONG_LOCK_FREE BOOST_ATOMIC_INT16_LOCK_FREE
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#elif BOOST_ATOMIC_DETAIL_SIZEOF_LLONG == 4
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#define BOOST_ATOMIC_LLONG_LOCK_FREE BOOST_ATOMIC_INT32_LOCK_FREE
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#elif BOOST_ATOMIC_DETAIL_SIZEOF_LLONG == 8
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#define BOOST_ATOMIC_LLONG_LOCK_FREE BOOST_ATOMIC_INT64_LOCK_FREE
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#else
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#define BOOST_ATOMIC_LLONG_LOCK_FREE 0
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#endif
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#endif
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#ifndef BOOST_ATOMIC_POINTER_LOCK_FREE
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#if (BOOST_ATOMIC_DETAIL_SIZEOF_POINTER + 0) == 8
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#define BOOST_ATOMIC_POINTER_LOCK_FREE BOOST_ATOMIC_INT64_LOCK_FREE
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#elif (BOOST_ATOMIC_DETAIL_SIZEOF_POINTER + 0) == 4
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#define BOOST_ATOMIC_POINTER_LOCK_FREE BOOST_ATOMIC_INT32_LOCK_FREE
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#else
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#define BOOST_ATOMIC_POINTER_LOCK_FREE 0
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#endif
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#endif
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#define BOOST_ATOMIC_ADDRESS_LOCK_FREE BOOST_ATOMIC_POINTER_LOCK_FREE
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#ifndef BOOST_ATOMIC_BOOL_LOCK_FREE
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// We store bools in 1-byte storage in all backends
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#define BOOST_ATOMIC_BOOL_LOCK_FREE BOOST_ATOMIC_INT8_LOCK_FREE
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#endif
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#ifndef BOOST_ATOMIC_FLAG_LOCK_FREE
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#define BOOST_ATOMIC_FLAG_LOCK_FREE BOOST_ATOMIC_BOOL_LOCK_FREE
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#endif
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#ifndef BOOST_ATOMIC_THREAD_FENCE
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#define BOOST_ATOMIC_THREAD_FENCE 0
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#endif
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#ifndef BOOST_ATOMIC_SIGNAL_FENCE
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#define BOOST_ATOMIC_SIGNAL_FENCE 0
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#endif
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#endif // BOOST_ATOMIC_CAPABILITIES_HPP_INCLUDED_
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