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( __CLRCALL_PURE_OR_CDECL )
  58
  59 extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedIncrement( long volatile * );
  60 extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedDecrement( long volatile * );
  61 extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedCompareExchange( long volatile *, long, long );
  62 extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedExchange( long volatile *, long );
  63 extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedExchangeAdd( long volatile *, long );
  64
  65 #else
  66
  67 extern "C" long __cdecl _InterlockedIncrement( long volatile * );
  68 extern "C" long __cdecl _InterlockedDecrement( long volatile * );
  69 extern "C" long __cdecl _InterlockedCompareExchange( long volatile *, long, long );
  70 extern "C" long __cdecl _InterlockedExchange( long volatile *, long );
  71 extern "C" long __cdecl _InterlockedExchangeAdd( long volatile *, long );
  72
  73 #endif
  74
  75 # pragma intrinsic( _InterlockedIncrement )
  76 # pragma intrinsic( _InterlockedDecrement )
  77 # pragma intrinsic( _InterlockedCompareExchange )
  78 # pragma intrinsic( _InterlockedExchange )
  79 # pragma intrinsic( _InterlockedExchangeAdd )
  80
  81 # if defined(_M_IA64) || defined(_M_AMD64)
  82
  83 extern "C" void* __cdecl _InterlockedCompareExchangePointer( void* volatile *, void*, void* );
  84 extern "C" void* __cdecl _InterlockedExchangePointer( void* volatile *, void* );
  85
  86 #  pragma intrinsic( _InterlockedCompareExchangePointer )
  87 #  pragma intrinsic( _InterlockedExchangePointer )
  88
  89 #  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER _InterlockedCompareExchangePointer
  90 #  define BOOST_INTERLOCKED_EXCHANGE_POINTER _InterlockedExchangePointer
  91
  92 # else
  93
  94 #  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
  95     ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long volatile*)(dest),(long)(exchange),(long)(compare)))
  96 #  define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
  97     ((void*)BOOST_INTERLOCKED_EXCHANGE((long volatile*)(dest),(long)(exchange)))
  98
  99 # endif
 100
 101 # define BOOST_INTERLOCKED_INCREMENT _InterlockedIncrement
 102 # define BOOST_INTERLOCKED_DECREMENT _InterlockedDecrement
 103 # define BOOST_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
 104 # define BOOST_INTERLOCKED_EXCHANGE _InterlockedExchange
 105 # define BOOST_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
 106
 107 #elif defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ ) || defined( __CYGWIN__ )
 108
 109 namespace boost
 110 {
 111
 112 namespace detail
 113 {
 114
 115 extern "C" __declspec(dllimport) long __stdcall InterlockedIncrement( long volatile * );
 116 extern "C" __declspec(dllimport) long __stdcall InterlockedDecrement( long volatile * );
 117 extern "C" __declspec(dllimport) long __stdcall InterlockedCompareExchange( long volatile *, long, long );
 118 extern "C" __declspec(dllimport) long __stdcall InterlockedExchange( long volatile *, long );
 119 extern "C" __declspec(dllimport) long __stdcall InterlockedExchangeAdd( long volatile *, long );
 120
 121 } // namespace detail
 122
 123 } // namespace boost
 124
 125 # define BOOST_INTERLOCKED_INCREMENT ::boost::detail::InterlockedIncrement
 126 # define BOOST_INTERLOCKED_DECREMENT ::boost::detail::InterlockedDecrement
 127 # define BOOST_INTERLOCKED_COMPARE_EXCHANGE ::boost::detail::InterlockedCompareExchange
 128 # define BOOST_INTERLOCKED_EXCHANGE ::boost::detail::InterlockedExchange
 129 # define BOOST_INTERLOCKED_EXCHANGE_ADD ::boost::detail::InterlockedExchangeAdd
 130
 131 # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
 132     ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long volatile*)(dest),(long)(exchange),(long)(compare)))
 133 # define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
 134     ((void*)BOOST_INTERLOCKED_EXCHANGE((long volatile*)(dest),(long)(exchange)))
 135
 136 #else
 137
 138 # error "Interlocked intrinsics not available"
 139
 140 #endif
 141
 142 #endif // #ifndef BOOST_DETAIL_INTERLOCKED_HPP_INCLUDED