projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
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) 2014 Andrey Semashev | |
| 7 | */ | |
| 8 | /*! | |
| 9 | * \file atomic/detail/caps_gcc_atomic.hpp | |
| 10 | * | |
| 11 | * This header defines feature capabilities macros | |
| 12 | */ | |
| 13 | ||
| 14 | #ifndef BOOST_ATOMIC_DETAIL_CAPS_GCC_ATOMIC_HPP_INCLUDED_ | |
| 15 | #define BOOST_ATOMIC_DETAIL_CAPS_GCC_ATOMIC_HPP_INCLUDED_ | |
| 16 | ||
| 17 | #include <boost/atomic/detail/config.hpp> | |
| 18 | #include <boost/atomic/detail/int_sizes.hpp> | |
| 19 | ||
| 20 | #ifdef BOOST_HAS_PRAGMA_ONCE | |
| 21 | #pragma once | |
| 22 | #endif | |
| 23 | ||
| 24 | #if defined(__i386__) && defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8) | |
| 25 | #define BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG8B 1 | |
| 26 | #endif | |
| 27 | ||
| 28 | #if defined(__x86_64__) && defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16) | |
| 29 | #define BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG16B 1 | |
| 30 | #endif | |
| 31 | ||
| 32 | #if defined(BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG16B) && (defined(BOOST_HAS_INT128) || !defined(BOOST_NO_ALIGNMENT)) | |
| 33 | #define BOOST_ATOMIC_INT128_LOCK_FREE 2 | |
| 34 | #else | |
| 35 | #define BOOST_ATOMIC_INT128_LOCK_FREE 0 | |
| 36 | #endif | |
| 37 | ||
| 38 | #if __GCC_ATOMIC_LLONG_LOCK_FREE == 2 | |
| 39 | #define BOOST_ATOMIC_LLONG_LOCK_FREE 2 | |
| 40 | #else | |
| 41 | #define BOOST_ATOMIC_LLONG_LOCK_FREE BOOST_ATOMIC_INT128_LOCK_FREE | |
| 42 | #endif | |
| 43 | ||
| 44 | #if __GCC_ATOMIC_LONG_LOCK_FREE == 2 | |
| 45 | #define BOOST_ATOMIC_LONG_LOCK_FREE 2 | |
| 46 | #else | |
| 47 | #define BOOST_ATOMIC_LONG_LOCK_FREE BOOST_ATOMIC_LLONG_LOCK_FREE | |
| 48 | #endif | |
| 49 | ||
| 50 | #if __GCC_ATOMIC_INT_LOCK_FREE == 2 | |
| 51 | #define BOOST_ATOMIC_INT_LOCK_FREE 2 | |
| 52 | #else | |
| 53 | #define BOOST_ATOMIC_INT_LOCK_FREE BOOST_ATOMIC_LONG_LOCK_FREE | |
| 54 | #endif | |
| 55 | ||
| 56 | #if __GCC_ATOMIC_SHORT_LOCK_FREE == 2 | |
| 57 | #define BOOST_ATOMIC_SHORT_LOCK_FREE 2 | |
| 58 | #else | |
| 59 | #define BOOST_ATOMIC_SHORT_LOCK_FREE BOOST_ATOMIC_INT_LOCK_FREE | |
| 60 | #endif | |
| 61 | ||
| 62 | #if __GCC_ATOMIC_CHAR_LOCK_FREE == 2 | |
| 63 | #define BOOST_ATOMIC_CHAR_LOCK_FREE 2 | |
| 64 | #else | |
| 65 | #define BOOST_ATOMIC_CHAR_LOCK_FREE BOOST_ATOMIC_SHORT_LOCK_FREE | |
| 66 | #endif | |
| 67 | ||
| 68 | #if __GCC_ATOMIC_POINTER_LOCK_FREE == 2 | |
| 69 | #define BOOST_ATOMIC_POINTER_LOCK_FREE 2 | |
| 70 | #else | |
| 71 | #define BOOST_ATOMIC_POINTER_LOCK_FREE 0 | |
| 72 | #endif | |
| 73 | ||
| 74 | ||
| 75 | #define BOOST_ATOMIC_INT8_LOCK_FREE BOOST_ATOMIC_CHAR_LOCK_FREE | |
| 76 | ||
| 77 | #if BOOST_ATOMIC_DETAIL_SIZEOF_SHORT == 2 | |
| 78 | #define BOOST_ATOMIC_INT16_LOCK_FREE BOOST_ATOMIC_SHORT_LOCK_FREE | |
| 79 | #elif BOOST_ATOMIC_DETAIL_SIZEOF_INT == 2 | |
| 80 | #define BOOST_ATOMIC_INT16_LOCK_FREE BOOST_ATOMIC_INT_LOCK_FREE | |
| 81 | #elif BOOST_ATOMIC_DETAIL_SIZEOF_LONG == 2 | |
| 82 | #define BOOST_ATOMIC_INT16_LOCK_FREE BOOST_ATOMIC_LONG_LOCK_FREE | |
| 83 | #elif BOOST_ATOMIC_DETAIL_SIZEOF_LLONG == 2 | |
| 84 | #define BOOST_ATOMIC_INT16_LOCK_FREE BOOST_ATOMIC_LLONG_LOCK_FREE | |
| 85 | #else | |
| 86 | #define BOOST_ATOMIC_INT16_LOCK_FREE 0 | |
| 87 | #endif | |
| 88 | ||
| 89 | #if BOOST_ATOMIC_DETAIL_SIZEOF_SHORT == 4 | |
| 90 | #define BOOST_ATOMIC_INT32_LOCK_FREE BOOST_ATOMIC_SHORT_LOCK_FREE | |
| 91 | #elif BOOST_ATOMIC_DETAIL_SIZEOF_INT == 4 | |
| 92 | #define BOOST_ATOMIC_INT32_LOCK_FREE BOOST_ATOMIC_INT_LOCK_FREE | |
| 93 | #elif BOOST_ATOMIC_DETAIL_SIZEOF_LONG == 4 | |
| 94 | #define BOOST_ATOMIC_INT32_LOCK_FREE BOOST_ATOMIC_LONG_LOCK_FREE | |
| 95 | #elif BOOST_ATOMIC_DETAIL_SIZEOF_LLONG == 4 | |
| 96 | #define BOOST_ATOMIC_INT32_LOCK_FREE BOOST_ATOMIC_LLONG_LOCK_FREE | |
| 97 | #else | |
| 98 | #define BOOST_ATOMIC_INT32_LOCK_FREE 0 | |
| 99 | #endif | |
| 100 | ||
| 101 | #if BOOST_ATOMIC_DETAIL_SIZEOF_SHORT == 8 | |
| 102 | #define BOOST_ATOMIC_INT64_LOCK_FREE BOOST_ATOMIC_SHORT_LOCK_FREE | |
| 103 | #elif BOOST_ATOMIC_DETAIL_SIZEOF_INT == 8 | |
| 104 | #define BOOST_ATOMIC_INT64_LOCK_FREE BOOST_ATOMIC_INT_LOCK_FREE | |
| 105 | #elif BOOST_ATOMIC_DETAIL_SIZEOF_LONG == 8 | |
| 106 | #define BOOST_ATOMIC_INT64_LOCK_FREE BOOST_ATOMIC_LONG_LOCK_FREE | |
| 107 | #elif BOOST_ATOMIC_DETAIL_SIZEOF_LLONG == 8 | |
| 108 | #define BOOST_ATOMIC_INT64_LOCK_FREE BOOST_ATOMIC_LLONG_LOCK_FREE | |
| 109 | #else | |
| 110 | #define BOOST_ATOMIC_INT64_LOCK_FREE 0 | |
| 111 | #endif | |
| 112 | ||
| 113 | ||
| 114 | #if __GCC_ATOMIC_WCHAR_T_LOCK_FREE == 2 | |
| 115 | #define BOOST_ATOMIC_WCHAR_T_LOCK_FREE 2 | |
| 116 | #elif BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T == 8 | |
| 117 | #define BOOST_ATOMIC_WCHAR_T_LOCK_FREE BOOST_ATOMIC_INT64_LOCK_FREE | |
| 118 | #elif BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T == 4 | |
| 119 | #define BOOST_ATOMIC_WCHAR_T_LOCK_FREE BOOST_ATOMIC_INT32_LOCK_FREE | |
| 120 | #elif BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T == 2 | |
| 121 | #define BOOST_ATOMIC_WCHAR_T_LOCK_FREE BOOST_ATOMIC_INT16_LOCK_FREE | |
| 122 | #elif BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T == 1 | |
| 123 | #define BOOST_ATOMIC_WCHAR_T_LOCK_FREE BOOST_ATOMIC_INT8_LOCK_FREE | |
| 124 | #else | |
| 125 | #define BOOST_ATOMIC_WCHAR_T_LOCK_FREE 0 | |
| 126 | #endif | |
| 127 | ||
| 128 | #define BOOST_ATOMIC_CHAR32_T_LOCK_FREE BOOST_ATOMIC_INT32_LOCK_FREE | |
| 129 | #define BOOST_ATOMIC_CHAR16_T_LOCK_FREE BOOST_ATOMIC_INT16_LOCK_FREE | |
| 130 | ||
| 131 | #define BOOST_ATOMIC_THREAD_FENCE 2 | |
| 132 | #define BOOST_ATOMIC_SIGNAL_FENCE 2 | |
| 133 | ||
| 134 | #endif // BOOST_ATOMIC_DETAIL_CAPS_GCC_ATOMIC_HPP_INCLUDED_ |