boost/boost/detail/interlocked.hpp

   1 #ifndef BOOST_DETAIL_INTERLOCKED_HPP_INCLUDED
   2 #define BOOST_DETAIL_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/interlocked.hpp
  12 //
  13 //  Copyright 2005 Peter Dimov
  14 //
  15 //  Distributed under the Boost Software License, Version 1.0. (See
  16 //  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 #if defined( BOOST_USE_WINDOWS_H )
  23
  24 # include <windows.h>
  25
  26 # define BOOST_INTERLOCKED_INCREMENT InterlockedIncrement
  27 # define BOOST_INTERLOCKED_DECREMENT InterlockedDecrement
  28 # define BOOST_INTERLOCKED_COMPARE_EXCHANGE InterlockedCompareExchange
  29 # define BOOST_INTERLOCKED_EXCHANGE InterlockedExchange
  30 # define BOOST_INTERLOCKED_EXCHANGE_ADD InterlockedExchangeAdd
  31 # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER InterlockedCompareExchangePointer
  32 # define BOOST_INTERLOCKED_EXCHANGE_POINTER InterlockedExchangePointer
  33
  34 #elif defined(_WIN32_WCE)
  35
  36 // under Windows CE we still have old-style Interlocked* functions
  37
  38 extern "C" long __cdecl InterlockedIncrement( long* );
  39 extern "C" long __cdecl InterlockedDecrement( long* );
  40 extern "C" long __cdecl InterlockedCompareExchange( long*, long, long );
  41 extern "C" long __cdecl InterlockedExchange( long*, long );
  42 extern "C" long __cdecl InterlockedExchangeAdd( long*, long );
  43
  44 # define BOOST_INTERLOCKED_INCREMENT InterlockedIncrement
  45 # define BOOST_INTERLOCKED_DECREMENT InterlockedDecrement
  46 # define BOOST_INTERLOCKED_COMPARE_EXCHANGE InterlockedCompareExchange
  47 # define BOOST_INTERLOCKED_EXCHANGE InterlockedExchange
  48 # define BOOST_INTERLOCKED_EXCHANGE_ADD InterlockedExchangeAdd
  49
  50 # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
  51     ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long*)(dest),(long)(exchange),(long)(compare)))
  52 # define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
  53     ((void*)BOOST_INTERLOCKED_EXCHANGE((long*)(dest),(long)(exchange)))
  54
  55 #elif defined( BOOST_MSVC ) || defined( BOOST_INTEL_WIN )
  56
  57 #if defined( BOOST_MSVC ) && BOOST_MSVC >= 1600
  58
  59 #include <intrin.h>
  60
  61 #elif defined( __CLRCALL_PURE_OR_CDECL )
  62
  63 extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedIncrement( long volatile * );
  64 extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedDecrement( long volatile * );
  65 extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedCompareExchange( long volatile *, long, long );
  66 extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedExchange( long volatile *, long );
  67 extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedExchangeAdd( long volatile *, long );
  68
  69 #else
  70
  71 extern "C" long __cdecl _InterlockedIncrement( long volatile * );
  72 extern "C" long __cdecl _InterlockedDecrement( long volatile * );
  73 extern "C" long __cdecl _InterlockedCompareExchange( long volatile *, long, long );
  74 extern "C" long __cdecl _InterlockedExchange( long volatile *, long );
  75 extern "C" long __cdecl _InterlockedExchangeAdd( long volatile *, long );
  76
  77 #endif
  78
  79 # pragma intrinsic( _InterlockedIncrement )
  80 # pragma intrinsic( _InterlockedDecrement )
  81 # pragma intrinsic( _InterlockedCompareExchange )
  82 # pragma intrinsic( _InterlockedExchange )
  83 # pragma intrinsic( _InterlockedExchangeAdd )
  84
  85 # if defined(_M_IA64) || defined(_M_AMD64)
  86
  87 extern "C" void* __cdecl _InterlockedCompareExchangePointer( void* volatile *, void*, void* );
  88 extern "C" void* __cdecl _InterlockedExchangePointer( void* volatile *, void* );
  89
  90 #  pragma intrinsic( _InterlockedCompareExchangePointer )
  91 #  pragma intrinsic( _InterlockedExchangePointer )
  92
  93 #  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER _InterlockedCompareExchangePointer
  94 #  define BOOST_INTERLOCKED_EXCHANGE_POINTER _InterlockedExchangePointer
  95
  96 # else
  97
  98 #  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
  99     ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long volatile*)(dest),(long)(exchange),(long)(compare)))
 100 #  define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
 101     ((void*)BOOST_INTERLOCKED_EXCHANGE((long volatile*)(dest),(long)(exchange)))
 102
 103 # endif
 104
 105 # define BOOST_INTERLOCKED_INCREMENT _InterlockedIncrement
 106 # define BOOST_INTERLOCKED_DECREMENT _InterlockedDecrement
 107 # define BOOST_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
 108 # define BOOST_INTERLOCKED_EXCHANGE _InterlockedExchange
 109 # define BOOST_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
 110
 111 #elif defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ ) || defined( __CYGWIN__ )
 112
 113 #if defined(__MINGW64__)
 114 #define BOOST_INTERLOCKED_IMPORT
 115 #else
 116 #define BOOST_INTERLOCKED_IMPORT __declspec(dllimport)
 117 #endif
 118
 119
 120 namespace boost
 121 {
 122
 123 namespace detail
 124 {
 125
 126 extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedIncrement( long volatile * );
 127 extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedDecrement( long volatile * );
 128 extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedCompareExchange( long volatile *, long, long );
 129 extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedExchange( long volatile *, long );
 130 extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedExchangeAdd( long volatile *, long );
 131
 132 # if defined(_M_IA64) || defined(_M_AMD64)
 133 extern "C" BOOST_INTERLOCKED_IMPORT void* __stdcall InterlockedCompareExchangePointer( void* volatile *, void*, void* );
 134 extern "C" BOOST_INTERLOCKED_IMPORT void* __stdcall InterlockedExchangePointer( void* volatile *, void* );
 135 # endif
 136
 137 } // namespace detail
 138
 139 } // namespace boost
 140
 141 # define BOOST_INTERLOCKED_INCREMENT ::boost::detail::InterlockedIncrement
 142 # define BOOST_INTERLOCKED_DECREMENT ::boost::detail::InterlockedDecrement
 143 # define BOOST_INTERLOCKED_COMPARE_EXCHANGE ::boost::detail::InterlockedCompareExchange
 144 # define BOOST_INTERLOCKED_EXCHANGE ::boost::detail::InterlockedExchange
 145 # define BOOST_INTERLOCKED_EXCHANGE_ADD ::boost::detail::InterlockedExchangeAdd
 146
 147 # if defined(_M_IA64) || defined(_M_AMD64)
 148 #  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER ::boost::detail::InterlockedCompareExchangePointer
 149 #  define BOOST_INTERLOCKED_EXCHANGE_POINTER ::boost::detail::InterlockedExchangePointer
 150 # else
 151 #  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
 152     ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long volatile*)(dest),(long)(exchange),(long)(compare)))
 153 #  define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
 154     ((void*)BOOST_INTERLOCKED_EXCHANGE((long volatile*)(dest),(long)(exchange)))
 155 # endif
 156
 157 #else
 158
 159 # error "Interlocked intrinsics not available"
 160
 161 #endif
 162
 163 #endif // #ifndef BOOST_DETAIL_INTERLOCKED_HPP_INCLUDED