Chris@102: /*
Chris@102:  * Distributed under the Boost Software License, Version 1.0.
Chris@102:  * (See accompanying file LICENSE_1_0.txt or copy at
Chris@102:  * http://www.boost.org/LICENSE_1_0.txt)
Chris@102:  *
Chris@102:  * Copyright (c) 2014 Andrey Semashev
Chris@102:  */
Chris@102: /*!
Chris@102:  * \file   atomic/detail/caps_gcc_atomic.hpp
Chris@102:  *
Chris@102:  * This header defines feature capabilities macros
Chris@102:  */
Chris@102: 
Chris@102: #ifndef BOOST_ATOMIC_DETAIL_CAPS_GCC_ATOMIC_HPP_INCLUDED_
Chris@102: #define BOOST_ATOMIC_DETAIL_CAPS_GCC_ATOMIC_HPP_INCLUDED_
Chris@102: 
Chris@102: #include <boost/atomic/detail/config.hpp>
Chris@102: #include <boost/atomic/detail/int_sizes.hpp>
Chris@102: 
Chris@102: #ifdef BOOST_HAS_PRAGMA_ONCE
Chris@102: #pragma once
Chris@102: #endif
Chris@102: 
Chris@102: #if defined(__i386__) && defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8)
Chris@102: #define BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG8B 1
Chris@102: #endif
Chris@102: 
Chris@102: #if defined(__x86_64__) && defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16)
Chris@102: #define BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG16B 1
Chris@102: #endif
Chris@102: 
Chris@102: #if defined(BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG16B) && (defined(BOOST_HAS_INT128) || !defined(BOOST_NO_ALIGNMENT))
Chris@102: #define BOOST_ATOMIC_INT128_LOCK_FREE 2
Chris@102: #else
Chris@102: #define BOOST_ATOMIC_INT128_LOCK_FREE 0
Chris@102: #endif
Chris@102: 
Chris@102: #if __GCC_ATOMIC_LLONG_LOCK_FREE == 2
Chris@102: #define BOOST_ATOMIC_LLONG_LOCK_FREE 2
Chris@102: #else
Chris@102: #define BOOST_ATOMIC_LLONG_LOCK_FREE BOOST_ATOMIC_INT128_LOCK_FREE
Chris@102: #endif
Chris@102: 
Chris@102: #if __GCC_ATOMIC_LONG_LOCK_FREE == 2
Chris@102: #define BOOST_ATOMIC_LONG_LOCK_FREE 2
Chris@102: #else
Chris@102: #define BOOST_ATOMIC_LONG_LOCK_FREE BOOST_ATOMIC_LLONG_LOCK_FREE
Chris@102: #endif
Chris@102: 
Chris@102: #if __GCC_ATOMIC_INT_LOCK_FREE == 2
Chris@102: #define BOOST_ATOMIC_INT_LOCK_FREE 2
Chris@102: #else
Chris@102: #define BOOST_ATOMIC_INT_LOCK_FREE BOOST_ATOMIC_LONG_LOCK_FREE
Chris@102: #endif
Chris@102: 
Chris@102: #if __GCC_ATOMIC_SHORT_LOCK_FREE == 2
Chris@102: #define BOOST_ATOMIC_SHORT_LOCK_FREE 2
Chris@102: #else
Chris@102: #define BOOST_ATOMIC_SHORT_LOCK_FREE BOOST_ATOMIC_INT_LOCK_FREE
Chris@102: #endif
Chris@102: 
Chris@102: #if __GCC_ATOMIC_CHAR_LOCK_FREE == 2
Chris@102: #define BOOST_ATOMIC_CHAR_LOCK_FREE 2
Chris@102: #else
Chris@102: #define BOOST_ATOMIC_CHAR_LOCK_FREE BOOST_ATOMIC_SHORT_LOCK_FREE
Chris@102: #endif
Chris@102: 
Chris@102: #if __GCC_ATOMIC_POINTER_LOCK_FREE == 2
Chris@102: #define BOOST_ATOMIC_POINTER_LOCK_FREE 2
Chris@102: #else
Chris@102: #define BOOST_ATOMIC_POINTER_LOCK_FREE 0
Chris@102: #endif
Chris@102: 
Chris@102: 
Chris@102: #define BOOST_ATOMIC_INT8_LOCK_FREE BOOST_ATOMIC_CHAR_LOCK_FREE
Chris@102: 
Chris@102: #if BOOST_ATOMIC_DETAIL_SIZEOF_SHORT == 2
Chris@102: #define BOOST_ATOMIC_INT16_LOCK_FREE BOOST_ATOMIC_SHORT_LOCK_FREE
Chris@102: #elif BOOST_ATOMIC_DETAIL_SIZEOF_INT == 2
Chris@102: #define BOOST_ATOMIC_INT16_LOCK_FREE BOOST_ATOMIC_INT_LOCK_FREE
Chris@102: #elif BOOST_ATOMIC_DETAIL_SIZEOF_LONG == 2
Chris@102: #define BOOST_ATOMIC_INT16_LOCK_FREE BOOST_ATOMIC_LONG_LOCK_FREE
Chris@102: #elif BOOST_ATOMIC_DETAIL_SIZEOF_LLONG == 2
Chris@102: #define BOOST_ATOMIC_INT16_LOCK_FREE BOOST_ATOMIC_LLONG_LOCK_FREE
Chris@102: #else
Chris@102: #define BOOST_ATOMIC_INT16_LOCK_FREE 0
Chris@102: #endif
Chris@102: 
Chris@102: #if BOOST_ATOMIC_DETAIL_SIZEOF_SHORT == 4
Chris@102: #define BOOST_ATOMIC_INT32_LOCK_FREE BOOST_ATOMIC_SHORT_LOCK_FREE
Chris@102: #elif BOOST_ATOMIC_DETAIL_SIZEOF_INT == 4
Chris@102: #define BOOST_ATOMIC_INT32_LOCK_FREE BOOST_ATOMIC_INT_LOCK_FREE
Chris@102: #elif BOOST_ATOMIC_DETAIL_SIZEOF_LONG == 4
Chris@102: #define BOOST_ATOMIC_INT32_LOCK_FREE BOOST_ATOMIC_LONG_LOCK_FREE
Chris@102: #elif BOOST_ATOMIC_DETAIL_SIZEOF_LLONG == 4
Chris@102: #define BOOST_ATOMIC_INT32_LOCK_FREE BOOST_ATOMIC_LLONG_LOCK_FREE
Chris@102: #else
Chris@102: #define BOOST_ATOMIC_INT32_LOCK_FREE 0
Chris@102: #endif
Chris@102: 
Chris@102: #if BOOST_ATOMIC_DETAIL_SIZEOF_SHORT == 8
Chris@102: #define BOOST_ATOMIC_INT64_LOCK_FREE BOOST_ATOMIC_SHORT_LOCK_FREE
Chris@102: #elif BOOST_ATOMIC_DETAIL_SIZEOF_INT == 8
Chris@102: #define BOOST_ATOMIC_INT64_LOCK_FREE BOOST_ATOMIC_INT_LOCK_FREE
Chris@102: #elif BOOST_ATOMIC_DETAIL_SIZEOF_LONG == 8
Chris@102: #define BOOST_ATOMIC_INT64_LOCK_FREE BOOST_ATOMIC_LONG_LOCK_FREE
Chris@102: #elif BOOST_ATOMIC_DETAIL_SIZEOF_LLONG == 8
Chris@102: #define BOOST_ATOMIC_INT64_LOCK_FREE BOOST_ATOMIC_LLONG_LOCK_FREE
Chris@102: #else
Chris@102: #define BOOST_ATOMIC_INT64_LOCK_FREE 0
Chris@102: #endif
Chris@102: 
Chris@102: 
Chris@102: #if __GCC_ATOMIC_WCHAR_T_LOCK_FREE == 2
Chris@102: #define BOOST_ATOMIC_WCHAR_T_LOCK_FREE 2
Chris@102: #elif BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T == 8
Chris@102: #define BOOST_ATOMIC_WCHAR_T_LOCK_FREE BOOST_ATOMIC_INT64_LOCK_FREE
Chris@102: #elif BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T == 4
Chris@102: #define BOOST_ATOMIC_WCHAR_T_LOCK_FREE BOOST_ATOMIC_INT32_LOCK_FREE
Chris@102: #elif BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T == 2
Chris@102: #define BOOST_ATOMIC_WCHAR_T_LOCK_FREE BOOST_ATOMIC_INT16_LOCK_FREE
Chris@102: #elif BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T == 1
Chris@102: #define BOOST_ATOMIC_WCHAR_T_LOCK_FREE BOOST_ATOMIC_INT8_LOCK_FREE
Chris@102: #else
Chris@102: #define BOOST_ATOMIC_WCHAR_T_LOCK_FREE 0
Chris@102: #endif
Chris@102: 
Chris@102: #define BOOST_ATOMIC_CHAR32_T_LOCK_FREE BOOST_ATOMIC_INT32_LOCK_FREE
Chris@102: #define BOOST_ATOMIC_CHAR16_T_LOCK_FREE BOOST_ATOMIC_INT16_LOCK_FREE
Chris@102: 
Chris@102: #define BOOST_ATOMIC_THREAD_FENCE 2
Chris@102: #define BOOST_ATOMIC_SIGNAL_FENCE 2
Chris@102: 
Chris@102: #endif // BOOST_ATOMIC_DETAIL_CAPS_GCC_ATOMIC_HPP_INCLUDED_