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annotate DEPENDENCIES/generic/include/boost/atomic/detail/caps_gcc_atomic.hpp @ 133:4acb5d8d80b6 tip

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Don't fail environmental check if README.md exists (but .txt and no-suffix don't)
author Chris Cannam
date Tue, 30 Jul 2019 12:25:44 +0100
parents f46d142149f5
children
rev   line source
Chris@102 1 /*
Chris@102 2 * Distributed under the Boost Software License, Version 1.0.
Chris@102 3 * (See accompanying file LICENSE_1_0.txt or copy at
Chris@102 4 * http://www.boost.org/LICENSE_1_0.txt)
Chris@102 5 *
Chris@102 6 * Copyright (c) 2014 Andrey Semashev
Chris@102 7 */
Chris@102 8 /*!
Chris@102 9 * \file atomic/detail/caps_gcc_atomic.hpp
Chris@102 10 *
Chris@102 11 * This header defines feature capabilities macros
Chris@102 12 */
Chris@102 13
Chris@102 14 #ifndef BOOST_ATOMIC_DETAIL_CAPS_GCC_ATOMIC_HPP_INCLUDED_
Chris@102 15 #define BOOST_ATOMIC_DETAIL_CAPS_GCC_ATOMIC_HPP_INCLUDED_
Chris@102 16
Chris@102 17 #include <boost/atomic/detail/config.hpp>
Chris@102 18 #include <boost/atomic/detail/int_sizes.hpp>
Chris@102 19
Chris@102 20 #ifdef BOOST_HAS_PRAGMA_ONCE
Chris@102 21 #pragma once
Chris@102 22 #endif
Chris@102 23
Chris@102 24 #if defined(__i386__) && defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8)
Chris@102 25 #define BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG8B 1
Chris@102 26 #endif
Chris@102 27
Chris@102 28 #if defined(__x86_64__) && defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16)
Chris@102 29 #define BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG16B 1
Chris@102 30 #endif
Chris@102 31
Chris@102 32 #if defined(BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG16B) && (defined(BOOST_HAS_INT128) || !defined(BOOST_NO_ALIGNMENT))
Chris@102 33 #define BOOST_ATOMIC_INT128_LOCK_FREE 2
Chris@102 34 #else
Chris@102 35 #define BOOST_ATOMIC_INT128_LOCK_FREE 0
Chris@102 36 #endif
Chris@102 37
Chris@102 38 #if __GCC_ATOMIC_LLONG_LOCK_FREE == 2
Chris@102 39 #define BOOST_ATOMIC_LLONG_LOCK_FREE 2
Chris@102 40 #else
Chris@102 41 #define BOOST_ATOMIC_LLONG_LOCK_FREE BOOST_ATOMIC_INT128_LOCK_FREE
Chris@102 42 #endif
Chris@102 43
Chris@102 44 #if __GCC_ATOMIC_LONG_LOCK_FREE == 2
Chris@102 45 #define BOOST_ATOMIC_LONG_LOCK_FREE 2
Chris@102 46 #else
Chris@102 47 #define BOOST_ATOMIC_LONG_LOCK_FREE BOOST_ATOMIC_LLONG_LOCK_FREE
Chris@102 48 #endif
Chris@102 49
Chris@102 50 #if __GCC_ATOMIC_INT_LOCK_FREE == 2
Chris@102 51 #define BOOST_ATOMIC_INT_LOCK_FREE 2
Chris@102 52 #else
Chris@102 53 #define BOOST_ATOMIC_INT_LOCK_FREE BOOST_ATOMIC_LONG_LOCK_FREE
Chris@102 54 #endif
Chris@102 55
Chris@102 56 #if __GCC_ATOMIC_SHORT_LOCK_FREE == 2
Chris@102 57 #define BOOST_ATOMIC_SHORT_LOCK_FREE 2
Chris@102 58 #else
Chris@102 59 #define BOOST_ATOMIC_SHORT_LOCK_FREE BOOST_ATOMIC_INT_LOCK_FREE
Chris@102 60 #endif
Chris@102 61
Chris@102 62 #if __GCC_ATOMIC_CHAR_LOCK_FREE == 2
Chris@102 63 #define BOOST_ATOMIC_CHAR_LOCK_FREE 2
Chris@102 64 #else
Chris@102 65 #define BOOST_ATOMIC_CHAR_LOCK_FREE BOOST_ATOMIC_SHORT_LOCK_FREE
Chris@102 66 #endif
Chris@102 67
Chris@102 68 #if __GCC_ATOMIC_POINTER_LOCK_FREE == 2
Chris@102 69 #define BOOST_ATOMIC_POINTER_LOCK_FREE 2
Chris@102 70 #else
Chris@102 71 #define BOOST_ATOMIC_POINTER_LOCK_FREE 0
Chris@102 72 #endif
Chris@102 73
Chris@102 74
Chris@102 75 #define BOOST_ATOMIC_INT8_LOCK_FREE BOOST_ATOMIC_CHAR_LOCK_FREE
Chris@102 76
Chris@102 77 #if BOOST_ATOMIC_DETAIL_SIZEOF_SHORT == 2
Chris@102 78 #define BOOST_ATOMIC_INT16_LOCK_FREE BOOST_ATOMIC_SHORT_LOCK_FREE
Chris@102 79 #elif BOOST_ATOMIC_DETAIL_SIZEOF_INT == 2
Chris@102 80 #define BOOST_ATOMIC_INT16_LOCK_FREE BOOST_ATOMIC_INT_LOCK_FREE
Chris@102 81 #elif BOOST_ATOMIC_DETAIL_SIZEOF_LONG == 2
Chris@102 82 #define BOOST_ATOMIC_INT16_LOCK_FREE BOOST_ATOMIC_LONG_LOCK_FREE
Chris@102 83 #elif BOOST_ATOMIC_DETAIL_SIZEOF_LLONG == 2
Chris@102 84 #define BOOST_ATOMIC_INT16_LOCK_FREE BOOST_ATOMIC_LLONG_LOCK_FREE
Chris@102 85 #else
Chris@102 86 #define BOOST_ATOMIC_INT16_LOCK_FREE 0
Chris@102 87 #endif
Chris@102 88
Chris@102 89 #if BOOST_ATOMIC_DETAIL_SIZEOF_SHORT == 4
Chris@102 90 #define BOOST_ATOMIC_INT32_LOCK_FREE BOOST_ATOMIC_SHORT_LOCK_FREE
Chris@102 91 #elif BOOST_ATOMIC_DETAIL_SIZEOF_INT == 4
Chris@102 92 #define BOOST_ATOMIC_INT32_LOCK_FREE BOOST_ATOMIC_INT_LOCK_FREE
Chris@102 93 #elif BOOST_ATOMIC_DETAIL_SIZEOF_LONG == 4
Chris@102 94 #define BOOST_ATOMIC_INT32_LOCK_FREE BOOST_ATOMIC_LONG_LOCK_FREE
Chris@102 95 #elif BOOST_ATOMIC_DETAIL_SIZEOF_LLONG == 4
Chris@102 96 #define BOOST_ATOMIC_INT32_LOCK_FREE BOOST_ATOMIC_LLONG_LOCK_FREE
Chris@102 97 #else
Chris@102 98 #define BOOST_ATOMIC_INT32_LOCK_FREE 0
Chris@102 99 #endif
Chris@102 100
Chris@102 101 #if BOOST_ATOMIC_DETAIL_SIZEOF_SHORT == 8
Chris@102 102 #define BOOST_ATOMIC_INT64_LOCK_FREE BOOST_ATOMIC_SHORT_LOCK_FREE
Chris@102 103 #elif BOOST_ATOMIC_DETAIL_SIZEOF_INT == 8
Chris@102 104 #define BOOST_ATOMIC_INT64_LOCK_FREE BOOST_ATOMIC_INT_LOCK_FREE
Chris@102 105 #elif BOOST_ATOMIC_DETAIL_SIZEOF_LONG == 8
Chris@102 106 #define BOOST_ATOMIC_INT64_LOCK_FREE BOOST_ATOMIC_LONG_LOCK_FREE
Chris@102 107 #elif BOOST_ATOMIC_DETAIL_SIZEOF_LLONG == 8
Chris@102 108 #define BOOST_ATOMIC_INT64_LOCK_FREE BOOST_ATOMIC_LLONG_LOCK_FREE
Chris@102 109 #else
Chris@102 110 #define BOOST_ATOMIC_INT64_LOCK_FREE 0
Chris@102 111 #endif
Chris@102 112
Chris@102 113
Chris@102 114 #if __GCC_ATOMIC_WCHAR_T_LOCK_FREE == 2
Chris@102 115 #define BOOST_ATOMIC_WCHAR_T_LOCK_FREE 2
Chris@102 116 #elif BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T == 8
Chris@102 117 #define BOOST_ATOMIC_WCHAR_T_LOCK_FREE BOOST_ATOMIC_INT64_LOCK_FREE
Chris@102 118 #elif BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T == 4
Chris@102 119 #define BOOST_ATOMIC_WCHAR_T_LOCK_FREE BOOST_ATOMIC_INT32_LOCK_FREE
Chris@102 120 #elif BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T == 2
Chris@102 121 #define BOOST_ATOMIC_WCHAR_T_LOCK_FREE BOOST_ATOMIC_INT16_LOCK_FREE
Chris@102 122 #elif BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T == 1
Chris@102 123 #define BOOST_ATOMIC_WCHAR_T_LOCK_FREE BOOST_ATOMIC_INT8_LOCK_FREE
Chris@102 124 #else
Chris@102 125 #define BOOST_ATOMIC_WCHAR_T_LOCK_FREE 0
Chris@102 126 #endif
Chris@102 127
Chris@102 128 #define BOOST_ATOMIC_CHAR32_T_LOCK_FREE BOOST_ATOMIC_INT32_LOCK_FREE
Chris@102 129 #define BOOST_ATOMIC_CHAR16_T_LOCK_FREE BOOST_ATOMIC_INT16_LOCK_FREE
Chris@102 130
Chris@102 131 #define BOOST_ATOMIC_THREAD_FENCE 2
Chris@102 132 #define BOOST_ATOMIC_SIGNAL_FENCE 2
Chris@102 133
Chris@102 134 #endif // BOOST_ATOMIC_DETAIL_CAPS_GCC_ATOMIC_HPP_INCLUDED_