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