1 /* 2 * Distributed under the Boost Software License, Version 1.0. 3 * (See accompanying file LICENSE_1_0.txt or copy at 4 * http://www.boost.org/LICENSE_1_0.txt) 5 * 6 * Copyright (c) 2011 Helge Bahmann 7 * Copyright (c) 2013 Tim Blechmann 8 * Copyright (c) 2014 Andrey Semashev 9 */ 10 /*! 11 * \file atomic/detail/caps_gcc_sync.hpp 12 * 13 * This header defines feature capabilities macros 14 */ 15 16 #ifndef BOOST_ATOMIC_DETAIL_CAPS_GCC_SYNC_HPP_INCLUDED_ 17 #define BOOST_ATOMIC_DETAIL_CAPS_GCC_SYNC_HPP_INCLUDED_ 18 19 #include <boost/atomic/detail/config.hpp> 20 21 #ifdef BOOST_HAS_PRAGMA_ONCE 22 #pragma once 23 #endif 24 25 #if defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1)\ 26 || defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2)\ 27 || defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)\ 28 || defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8)\ 29 || defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16) 30 #define BOOST_ATOMIC_INT8_LOCK_FREE 2 31 #endif 32 #if defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2)\ 33 || defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)\ 34 || defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8)\ 35 || defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16) 36 #define BOOST_ATOMIC_INT16_LOCK_FREE 2 37 #endif 38 #if defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)\ 39 || defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8)\ 40 || defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16) 41 #define BOOST_ATOMIC_INT32_LOCK_FREE 2 42 #endif 43 #if defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8)\ 44 || defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16) 45 #define BOOST_ATOMIC_INT64_LOCK_FREE 2 46 #endif 47 #if defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16) 48 #define BOOST_ATOMIC_INT128_LOCK_FREE 2 49 #endif 50 51 #define BOOST_ATOMIC_THREAD_FENCE 2 52 #define BOOST_ATOMIC_SIGNAL_FENCE 2 53 54 #endif // BOOST_ATOMIC_DETAIL_CAPS_GCC_SYNC_HPP_INCLUDED_ 55