ceph/src/boost/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 // under Windows CE we still have old-style Interlocked* functions
  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 # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
  74     ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long*)(dest),(long)(exchange),(long)(compare)))
  75 # define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
  76     ((void*)BOOST_INTERLOCKED_EXCHANGE((long*)(dest),(long)(exchange)))
  77
  78 #elif defined( BOOST_MSVC ) || defined( BOOST_INTEL_WIN )
  79
  80 #if defined( BOOST_MSVC ) && BOOST_MSVC >= 1400
  81
  82 #include <intrin.h>
  83
  84 #else
  85
  86 # if defined( __CLRCALL_PURE_OR_CDECL )
  87 #  define BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL __CLRCALL_PURE_OR_CDECL
  88 # else
  89 #  define BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL __cdecl
  90 # endif
  91
  92 extern "C" long BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL _InterlockedIncrement( long volatile * );
  93 extern "C" long BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL _InterlockedDecrement( long volatile * );
  94 extern "C" long BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL _InterlockedCompareExchange( long volatile *, long, long );
  95 extern "C" long BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL _InterlockedExchange( long volatile *, long );
  96 extern "C" long BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL _InterlockedExchangeAdd( long volatile *, long );
  97
  98 # undef BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL
  99
 100 # if defined( BOOST_MSVC ) && BOOST_MSVC >= 1310
 101 #  pragma intrinsic( _InterlockedIncrement )
 102 #  pragma intrinsic( _InterlockedDecrement )
 103 #  pragma intrinsic( _InterlockedCompareExchange )
 104 #  pragma intrinsic( _InterlockedExchange )
 105 #  pragma intrinsic( _InterlockedExchangeAdd )
 106 # endif
 107
 108 #endif
 109
 110 # if defined(_M_IA64) || defined(_M_AMD64)
 111
 112 extern "C" void* __cdecl _InterlockedCompareExchangePointer( void* volatile *, void*, void* );
 113 extern "C" void* __cdecl _InterlockedExchangePointer( void* volatile *, void* );
 114
 115 #  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER _InterlockedCompareExchangePointer
 116 #  define BOOST_INTERLOCKED_EXCHANGE_POINTER _InterlockedExchangePointer
 117
 118 # else
 119
 120 #  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
 121     ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long volatile*)(dest),(long)(exchange),(long)(compare)))
 122 #  define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
 123     ((void*)BOOST_INTERLOCKED_EXCHANGE((long volatile*)(dest),(long)(exchange)))
 124
 125 # endif
 126
 127 # define BOOST_INTERLOCKED_INCREMENT _InterlockedIncrement
 128 # define BOOST_INTERLOCKED_DECREMENT _InterlockedDecrement
 129 # define BOOST_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
 130 # define BOOST_INTERLOCKED_EXCHANGE _InterlockedExchange
 131 # define BOOST_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
 132
 133 // Unlike __MINGW64__, __MINGW64_VERSION_MAJOR is defined by MinGW-w64 for both 32 and 64-bit targets.
 134 #elif defined(__MINGW64_VERSION_MAJOR)
 135
 136 // MinGW-w64 provides intrin.h for both 32 and 64-bit targets.
 137 #include <intrin.h>
 138
 139 # define BOOST_INTERLOCKED_INCREMENT _InterlockedIncrement
 140 # define BOOST_INTERLOCKED_DECREMENT _InterlockedDecrement
 141 # define BOOST_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
 142 # define BOOST_INTERLOCKED_EXCHANGE _InterlockedExchange
 143 # define BOOST_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
 144 # if defined(__x86_64__) || defined(__x86_64)
 145 #  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER _InterlockedCompareExchangePointer
 146 #  define BOOST_INTERLOCKED_EXCHANGE_POINTER _InterlockedExchangePointer
 147 # else
 148 #  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
 149     ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long volatile*)(dest),(long)(exchange),(long)(compare)))
 150 #  define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
 151     ((void*)BOOST_INTERLOCKED_EXCHANGE((long volatile*)(dest),(long)(exchange)))
 152 # endif
 153
 154 #elif defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ ) || defined( __CYGWIN__ )
 155
 156 #define BOOST_INTERLOCKED_IMPORT __declspec(dllimport)
 157
 158 namespace boost
 159 {
 160
 161 namespace detail
 162 {
 163
 164 extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedIncrement( long volatile * );
 165 extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedDecrement( long volatile * );
 166 extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedCompareExchange( long volatile *, long, long );
 167 extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedExchange( long volatile *, long );
 168 extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedExchangeAdd( long volatile *, long );
 169
 170 # if defined(_M_IA64) || defined(_M_AMD64)
 171 extern "C" BOOST_INTERLOCKED_IMPORT void* __stdcall InterlockedCompareExchangePointer( void* volatile *, void*, void* );
 172 extern "C" BOOST_INTERLOCKED_IMPORT void* __stdcall InterlockedExchangePointer( void* volatile *, void* );
 173 # endif
 174
 175 } // namespace detail
 176
 177 } // namespace boost
 178
 179 # define BOOST_INTERLOCKED_INCREMENT ::boost::detail::InterlockedIncrement
 180 # define BOOST_INTERLOCKED_DECREMENT ::boost::detail::InterlockedDecrement
 181 # define BOOST_INTERLOCKED_COMPARE_EXCHANGE ::boost::detail::InterlockedCompareExchange
 182 # define BOOST_INTERLOCKED_EXCHANGE ::boost::detail::InterlockedExchange
 183 # define BOOST_INTERLOCKED_EXCHANGE_ADD ::boost::detail::InterlockedExchangeAdd
 184
 185 # if defined(_M_IA64) || defined(_M_AMD64)
 186 #  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER ::boost::detail::InterlockedCompareExchangePointer
 187 #  define BOOST_INTERLOCKED_EXCHANGE_POINTER ::boost::detail::InterlockedExchangePointer
 188 # else
 189 #  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
 190     ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long volatile*)(dest),(long)(exchange),(long)(compare)))
 191 #  define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
 192     ((void*)BOOST_INTERLOCKED_EXCHANGE((long volatile*)(dest),(long)(exchange)))
 193 # endif
 194
 195 #else
 196
 197 # error "Interlocked intrinsics not available"
 198
 199 #endif
 200
 201 #endif // #ifndef BOOST_DETAIL_INTERLOCKED_HPP_INCLUDED