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