1 #ifndef BOOST_SMART_PTR_DETAIL_SP_INTERLOCKED_HPP_INCLUDED 2 #define BOOST_SMART_PTR_DETAIL_SP_INTERLOCKED_HPP_INCLUDED 3 4 // MS compatible compilers support #pragma once 5 6 #if defined(_MSC_VER) && (_MSC_VER >= 1020) 7 # pragma once 8 #endif 9 10 // 11 // boost/detail/sp_interlocked.hpp 12 // 13 // Copyright 2005, 2014 Peter Dimov 14 // 15 // Distributed under the Boost Software License, Version 1.0. 16 // See accompanying file LICENSE_1_0.txt or copy at 17 // http://www.boost.org/LICENSE_1_0.txt 18 // 19 20 #include <boost/config.hpp> 21 22 // BOOST_SP_HAS_INTRIN_H 23 24 // VC9 has intrin.h, but it collides with <utility> 25 #if defined( BOOST_MSVC ) && BOOST_MSVC >= 1600 26 27 # define BOOST_SP_HAS_INTRIN_H 28 29 // Unlike __MINGW64__, __MINGW64_VERSION_MAJOR is defined by MinGW-w64 for both 32 and 64-bit targets. 30 #elif defined( __MINGW64_VERSION_MAJOR ) 31 32 // MinGW-w64 provides intrin.h for both 32 and 64-bit targets. 33 # define BOOST_SP_HAS_INTRIN_H 34 35 #elif defined( __LP64__ ) 36 37 // We have to use intrin.h on Cygwin 64 38 # define BOOST_SP_HAS_INTRIN_H 39 40 // Intel C++ on Windows on VC10+ stdlib 41 #elif defined( BOOST_INTEL_WIN ) && defined( _CPPLIB_VER ) && _CPPLIB_VER >= 520 42 43 # define BOOST_SP_HAS_INTRIN_H 44 45 // clang-cl on Windows on VC10+ stdlib 46 #elif defined( __clang__ ) && defined( _MSC_VER ) && defined( _CPPLIB_VER ) && _CPPLIB_VER >= 520 47 48 # define BOOST_SP_HAS_INTRIN_H 49 50 #endif 51 52 #if defined( BOOST_USE_WINDOWS_H ) 53 54 # include <windows.h> 55 56 # define BOOST_SP_INTERLOCKED_INCREMENT InterlockedIncrement 57 # define BOOST_SP_INTERLOCKED_DECREMENT InterlockedDecrement 58 # define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE InterlockedCompareExchange 59 # define BOOST_SP_INTERLOCKED_EXCHANGE InterlockedExchange 60 # define BOOST_SP_INTERLOCKED_EXCHANGE_ADD InterlockedExchangeAdd 61 62 #elif defined( BOOST_USE_INTRIN_H ) || defined( BOOST_SP_HAS_INTRIN_H ) 63 64 #include <intrin.h> 65 66 # define BOOST_SP_INTERLOCKED_INCREMENT _InterlockedIncrement 67 # define BOOST_SP_INTERLOCKED_DECREMENT _InterlockedDecrement 68 # define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange 69 # define BOOST_SP_INTERLOCKED_EXCHANGE _InterlockedExchange 70 # define BOOST_SP_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd 71 72 #elif defined( _WIN32_WCE ) 73 74 #if _WIN32_WCE >= 0x600 75 76 extern "C" long __cdecl _InterlockedIncrement( long volatile * ); 77 extern "C" long __cdecl _InterlockedDecrement( long volatile * ); 78 extern "C" long __cdecl _InterlockedCompareExchange( long volatile *, long, long ); 79 extern "C" long __cdecl _InterlockedExchange( long volatile *, long ); 80 extern "C" long __cdecl _InterlockedExchangeAdd( long volatile *, long ); 81 82 # define BOOST_SP_INTERLOCKED_INCREMENT _InterlockedIncrement 83 # define BOOST_SP_INTERLOCKED_DECREMENT _InterlockedDecrement 84 # define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange 85 # define BOOST_SP_INTERLOCKED_EXCHANGE _InterlockedExchange 86 # define BOOST_SP_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd 87 88 #else 89 90 // under Windows CE we still have old-style Interlocked* functions 91 92 extern "C" long __cdecl InterlockedIncrement( long* ); 93 extern "C" long __cdecl InterlockedDecrement( long* ); 94 extern "C" long __cdecl InterlockedCompareExchange( long*, long, long ); 95 extern "C" long __cdecl InterlockedExchange( long*, long ); 96 extern "C" long __cdecl InterlockedExchangeAdd( long*, long ); 97 98 # define BOOST_SP_INTERLOCKED_INCREMENT InterlockedIncrement 99 # define BOOST_SP_INTERLOCKED_DECREMENT InterlockedDecrement 100 # define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE InterlockedCompareExchange 101 # define BOOST_SP_INTERLOCKED_EXCHANGE InterlockedExchange 102 # define BOOST_SP_INTERLOCKED_EXCHANGE_ADD InterlockedExchangeAdd 103 104 #endif 105 106 #elif defined( BOOST_MSVC ) || defined( BOOST_INTEL_WIN ) 107 108 #if defined( __CLRCALL_PURE_OR_CDECL ) 109 110 extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedIncrement( long volatile * ); 111 extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedDecrement( long volatile * ); 112 extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedCompareExchange( long volatile *, long, long ); 113 extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedExchange( long volatile *, long ); 114 extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedExchangeAdd( long volatile *, long ); 115 116 #else 117 118 extern "C" long __cdecl _InterlockedIncrement( long volatile * ); 119 extern "C" long __cdecl _InterlockedDecrement( long volatile * ); 120 extern "C" long __cdecl _InterlockedCompareExchange( long volatile *, long, long ); 121 extern "C" long __cdecl _InterlockedExchange( long volatile *, long ); 122 extern "C" long __cdecl _InterlockedExchangeAdd( long volatile *, long ); 123 124 # if defined( BOOST_MSVC ) && BOOST_MSVC == 1310 125 //From MSDN, Visual Studio .NET 2003 spedific: To declare one of the interlocked functions 126 //for use as an intrinsic, the function must be declared with the leading underscore and 127 //the new function must appear in a #pragma intrinsic statement. 128 # pragma intrinsic( _InterlockedIncrement ) 129 # pragma intrinsic( _InterlockedDecrement ) 130 # pragma intrinsic( _InterlockedCompareExchange ) 131 # pragma intrinsic( _InterlockedExchange ) 132 # pragma intrinsic( _InterlockedExchangeAdd ) 133 # endif 134 135 #endif 136 137 # define BOOST_SP_INTERLOCKED_INCREMENT _InterlockedIncrement 138 # define BOOST_SP_INTERLOCKED_DECREMENT _InterlockedDecrement 139 # define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange 140 # define BOOST_SP_INTERLOCKED_EXCHANGE _InterlockedExchange 141 # define BOOST_SP_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd 142 143 #elif defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ ) || defined( __CYGWIN__ ) 144 145 namespace boost 146 { 147 148 namespace detail 149 { 150 151 extern "C" __declspec(dllimport) long __stdcall InterlockedIncrement( long volatile * ); 152 extern "C" __declspec(dllimport) long __stdcall InterlockedDecrement( long volatile * ); 153 extern "C" __declspec(dllimport) long __stdcall InterlockedCompareExchange( long volatile *, long, long ); 154 extern "C" __declspec(dllimport) long __stdcall InterlockedExchange( long volatile *, long ); 155 extern "C" __declspec(dllimport) long __stdcall InterlockedExchangeAdd( long volatile *, long ); 156 157 } // namespace detail 158 159 } // namespace boost 160 161 # define BOOST_SP_INTERLOCKED_INCREMENT ::boost::detail::InterlockedIncrement 162 # define BOOST_SP_INTERLOCKED_DECREMENT ::boost::detail::InterlockedDecrement 163 # define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE ::boost::detail::InterlockedCompareExchange 164 # define BOOST_SP_INTERLOCKED_EXCHANGE ::boost::detail::InterlockedExchange 165 # define BOOST_SP_INTERLOCKED_EXCHANGE_ADD ::boost::detail::InterlockedExchangeAdd 166 167 #else 168 169 # error "Interlocked intrinsics not available" 170 171 #endif 172 173 #endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_INTERLOCKED_HPP_INCLUDED 174