boost/detail/interlocked.hpp

   1 #ifndef BOOST_DETAIL_INTERLOCKED_HPP_INCLUDED
   2 #define BOOST_DETAIL_INTERLOCKED_HPP_INCLUDED
   3
   4 //
   5 //  boost/detail/interlocked.hpp
   6 //
   7 //  Copyright 2005 Peter Dimov
   8 //
   9 //  Distributed under the Boost Software License, Version 1.0. (See
  10 //  accompanying file LICENSE_1_0.txt or copy at
  11 //  http://www.boost.org/LICENSE_1_0.txt)
  12 //
  13
  14 #include <boost/config.hpp>
  15
  16 // MS compatible compilers support #pragma once
  17 #ifdef BOOST_HAS_PRAGMA_ONCE
  18 #pragma once
  19 #endif
  20
  21 #if defined( BOOST_USE_WINDOWS_H )
  22
  23 # include <windows.h>
  24
  25 # define BOOST_INTERLOCKED_INCREMENT InterlockedIncrement
  26 # define BOOST_INTERLOCKED_DECREMENT InterlockedDecrement
  27 # define BOOST_INTERLOCKED_COMPARE_EXCHANGE InterlockedCompareExchange
  28 # define BOOST_INTERLOCKED_EXCHANGE InterlockedExchange
  29 # define BOOST_INTERLOCKED_EXCHANGE_ADD InterlockedExchangeAdd
  30 # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER InterlockedCompareExchangePointer
  31 # define BOOST_INTERLOCKED_EXCHANGE_POINTER InterlockedExchangePointer
  32
  33 #elif defined( BOOST_USE_INTRIN_H )
  34
  35 #include <intrin.h>
  36
  37 # define BOOST_INTERLOCKED_INCREMENT _InterlockedIncrement
  38 # define BOOST_INTERLOCKED_DECREMENT _InterlockedDecrement
  39 # define BOOST_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
  40 # define BOOST_INTERLOCKED_EXCHANGE _InterlockedExchange
  41 # define BOOST_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
  42
  43 # if defined(_M_IA64) || defined(_M_AMD64) || defined(__x86_64__) || defined(__x86_64)
  44
  45 #  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER _InterlockedCompareExchangePointer
  46 #  define BOOST_INTERLOCKED_EXCHANGE_POINTER _InterlockedExchangePointer
  47
  48 # else
  49
  50 #  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
  51     ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long volatile*)(dest),(long)(exchange),(long)(compare)))
  52 #  define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
  53     ((void*)BOOST_INTERLOCKED_EXCHANGE((long volatile*)(dest),(long)(exchange)))
  54
  55 # endif
  56
  57 #elif defined(_WIN32_WCE)
  58
  59 #if _WIN32_WCE >= 0x600
  60
  61 extern "C" long __cdecl _InterlockedIncrement( long volatile * );
  62 extern "C" long __cdecl _InterlockedDecrement( long volatile * );
  63 extern "C" long __cdecl _InterlockedCompareExchange( long volatile *, long, long );
  64 extern "C" long __cdecl _InterlockedExchange( long volatile *, long );
  65 extern "C" long __cdecl _InterlockedExchangeAdd( long volatile *, long );
  66
  67 # define BOOST_INTERLOCKED_INCREMENT _InterlockedIncrement
  68 # define BOOST_INTERLOCKED_DECREMENT _InterlockedDecrement
  69 # define BOOST_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
  70 # define BOOST_INTERLOCKED_EXCHANGE _InterlockedExchange
  71 # define BOOST_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
  72
  73 #else
  74 // under Windows CE we still have old-style Interlocked* functions
  75
  76 extern "C" long __cdecl InterlockedIncrement( long* );
  77 extern "C" long __cdecl InterlockedDecrement( long* );
  78 extern "C" long __cdecl InterlockedCompareExchange( long*, long, long );
  79 extern "C" long __cdecl InterlockedExchange( long*, long );
  80 extern "C" long __cdecl InterlockedExchangeAdd( long*, long );
  81
  82 # define BOOST_INTERLOCKED_INCREMENT InterlockedIncrement
  83 # define BOOST_INTERLOCKED_DECREMENT InterlockedDecrement
  84 # define BOOST_INTERLOCKED_COMPARE_EXCHANGE InterlockedCompareExchange
  85 # define BOOST_INTERLOCKED_EXCHANGE InterlockedExchange
  86 # define BOOST_INTERLOCKED_EXCHANGE_ADD InterlockedExchangeAdd
  87
  88 #endif
  89
  90 # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
  91     ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long*)(dest),(long)(exchange),(long)(compare)))
  92 # define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
  93     ((void*)BOOST_INTERLOCKED_EXCHANGE((long*)(dest),(long)(exchange)))
  94
  95 #elif defined( BOOST_MSVC ) || defined( BOOST_INTEL_WIN )
  96
  97 #if defined( BOOST_MSVC ) && BOOST_MSVC >= 1500
  98
  99 #include <intrin.h>
 100
 101 #elif defined( __CLRCALL_PURE_OR_CDECL )
 102
 103 extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedIncrement( long volatile * );
 104 extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedDecrement( long volatile * );
 105 extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedCompareExchange( long volatile *, long, long );
 106 extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedExchange( long volatile *, long );
 107 extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedExchangeAdd( long volatile *, long );
 108
 109 #else
 110
 111 extern "C" long __cdecl _InterlockedIncrement( long volatile * );
 112 extern "C" long __cdecl _InterlockedDecrement( long volatile * );
 113 extern "C" long __cdecl _InterlockedCompareExchange( long volatile *, long, long );
 114 extern "C" long __cdecl _InterlockedExchange( long volatile *, long );
 115 extern "C" long __cdecl _InterlockedExchangeAdd( long volatile *, long );
 116
 117 #endif
 118
 119 # if defined(_M_IA64) || defined(_M_AMD64)
 120
 121 extern "C" void* __cdecl _InterlockedCompareExchangePointer( void* volatile *, void*, void* );
 122 extern "C" void* __cdecl _InterlockedExchangePointer( void* volatile *, void* );
 123
 124 #  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER _InterlockedCompareExchangePointer
 125 #  define BOOST_INTERLOCKED_EXCHANGE_POINTER _InterlockedExchangePointer
 126
 127 # else
 128
 129 #  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
 130     ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long volatile*)(dest),(long)(exchange),(long)(compare)))
 131 #  define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
 132     ((void*)BOOST_INTERLOCKED_EXCHANGE((long volatile*)(dest),(long)(exchange)))
 133
 134 # endif
 135
 136 # define BOOST_INTERLOCKED_INCREMENT _InterlockedIncrement
 137 # define BOOST_INTERLOCKED_DECREMENT _InterlockedDecrement
 138 # define BOOST_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
 139 # define BOOST_INTERLOCKED_EXCHANGE _InterlockedExchange
 140 # define BOOST_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
 141
 142 // Unlike __MINGW64__, __MINGW64_VERSION_MAJOR is defined by MinGW-w64 for both 32 and 64-bit targets.
 143 #elif defined(__MINGW64_VERSION_MAJOR)
 144
 145 // MinGW-w64 provides intrin.h for both 32 and 64-bit targets.
 146 #include <intrin.h>
 147
 148 # define BOOST_INTERLOCKED_INCREMENT _InterlockedIncrement
 149 # define BOOST_INTERLOCKED_DECREMENT _InterlockedDecrement
 150 # define BOOST_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
 151 # define BOOST_INTERLOCKED_EXCHANGE _InterlockedExchange
 152 # define BOOST_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
 153 # if defined(__x86_64__) || defined(__x86_64)
 154 #  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER _InterlockedCompareExchangePointer
 155 #  define BOOST_INTERLOCKED_EXCHANGE_POINTER _InterlockedExchangePointer
 156 # else
 157 #  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
 158     ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long volatile*)(dest),(long)(exchange),(long)(compare)))
 159 #  define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
 160     ((void*)BOOST_INTERLOCKED_EXCHANGE((long volatile*)(dest),(long)(exchange)))
 161 # endif
 162
 163 #elif defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ ) || defined( __CYGWIN__ )
 164
 165 #define BOOST_INTERLOCKED_IMPORT __declspec(dllimport)
 166
 167 namespace boost
 168 {
 169
 170 namespace detail
 171 {
 172
 173 extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedIncrement( long volatile * );
 174 extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedDecrement( long volatile * );
 175 extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedCompareExchange( long volatile *, long, long );
 176 extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedExchange( long volatile *, long );
 177 extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedExchangeAdd( long volatile *, long );
 178
 179 # if defined(_M_IA64) || defined(_M_AMD64)
 180 extern "C" BOOST_INTERLOCKED_IMPORT void* __stdcall InterlockedCompareExchangePointer( void* volatile *, void*, void* );
 181 extern "C" BOOST_INTERLOCKED_IMPORT void* __stdcall InterlockedExchangePointer( void* volatile *, void* );
 182 # endif
 183
 184 } // namespace detail
 185
 186 } // namespace boost
 187
 188 # define BOOST_INTERLOCKED_INCREMENT ::boost::detail::InterlockedIncrement
 189 # define BOOST_INTERLOCKED_DECREMENT ::boost::detail::InterlockedDecrement
 190 # define BOOST_INTERLOCKED_COMPARE_EXCHANGE ::boost::detail::InterlockedCompareExchange
 191 # define BOOST_INTERLOCKED_EXCHANGE ::boost::detail::InterlockedExchange
 192 # define BOOST_INTERLOCKED_EXCHANGE_ADD ::boost::detail::InterlockedExchangeAdd
 193
 194 # if defined(_M_IA64) || defined(_M_AMD64)
 195 #  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER ::boost::detail::InterlockedCompareExchangePointer
 196 #  define BOOST_INTERLOCKED_EXCHANGE_POINTER ::boost::detail::InterlockedExchangePointer
 197 # else
 198 #  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
 199     ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long volatile*)(dest),(long)(exchange),(long)(compare)))
 200 #  define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
 201     ((void*)BOOST_INTERLOCKED_EXCHANGE((long volatile*)(dest),(long)(exchange)))
 202 # endif
 203
 204 #else
 205
 206 # error "Interlocked intrinsics not available"
 207
 208 #endif
 209
 210 #endif // #ifndef BOOST_DETAIL_INTERLOCKED_HPP_INCLUDED