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 #elif defined( BOOST_MSVC ) || defined( BOOST_INTEL_WIN )
  51
  52 extern "C" long __cdecl _InterlockedIncrement( long volatile * );
  53 extern "C" long __cdecl _InterlockedDecrement( long volatile * );
  54 extern "C" long __cdecl _InterlockedCompareExchange( long volatile *, long, long );
  55 extern "C" long __cdecl _InterlockedExchange( long volatile *, long);
  56 extern "C" long __cdecl _InterlockedExchangeAdd( long volatile *, long);
  57
  58 # pragma intrinsic( _InterlockedIncrement )
  59 # pragma intrinsic( _InterlockedDecrement )
  60 # pragma intrinsic( _InterlockedCompareExchange )
  61 # pragma intrinsic( _InterlockedExchange )
  62 # pragma intrinsic( _InterlockedExchangeAdd )
  63
  64 # if defined(_M_IA64) || defined(_M_AMD64)
  65
  66 extern "C" void* __cdecl _InterlockedCompareExchangePointer( void* volatile *, void*, void* );
  67 extern "C" void* __cdecl _InterlockedExchangePointer( void* volatile *, void* );
  68
  69 #  pragma intrinsic( _InterlockedCompareExchangePointer )
  70 #  pragma intrinsic( _InterlockedExchangePointer )
  71
  72 #  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER _InterlockedCompareExchangePointer
  73 #  define BOOST_INTERLOCKED_EXCHANGE_POINTER _InterlockedExchangePointer
  74
  75 # else
  76
  77 #  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
  78     ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long volatile*)(dest),(long)(exchange),(long)(compare)))
  79 #  define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
  80     ((void*)BOOST_INTERLOCKED_EXCHANGE((long volatile*)(dest),(long)(exchange)))
  81
  82 # endif
  83
  84 # define BOOST_INTERLOCKED_INCREMENT _InterlockedIncrement
  85 # define BOOST_INTERLOCKED_DECREMENT _InterlockedDecrement
  86 # define BOOST_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
  87 # define BOOST_INTERLOCKED_EXCHANGE _InterlockedExchange
  88 # define BOOST_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
  89
  90 #elif defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ )
  91
  92 namespace boost
  93 {
  94
  95 namespace detail
  96 {
  97
  98 extern "C" __declspec(dllimport) long __stdcall InterlockedIncrement( long volatile * );
  99 extern "C" __declspec(dllimport) long __stdcall InterlockedDecrement( long volatile * );
 100 extern "C" __declspec(dllimport) long __stdcall InterlockedCompareExchange( long volatile *, long, long );
 101 extern "C" __declspec(dllimport) long __stdcall InterlockedExchange( long volatile *, long );
 102 extern "C" __declspec(dllimport) long __stdcall InterlockedExchangeAdd( long volatile *, long );
 103
 104 } // namespace detail
 105
 106 } // namespace boost
 107
 108 # define BOOST_INTERLOCKED_INCREMENT ::boost::detail::InterlockedIncrement
 109 # define BOOST_INTERLOCKED_DECREMENT ::boost::detail::InterlockedDecrement
 110 # define BOOST_INTERLOCKED_COMPARE_EXCHANGE ::boost::detail::InterlockedCompareExchange
 111 # define BOOST_INTERLOCKED_EXCHANGE ::boost::detail::InterlockedExchange
 112 # define BOOST_INTERLOCKED_EXCHANGE_ADD ::boost::detail::InterlockedExchangeAdd
 113
 114 # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
 115     ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long volatile*)(dest),(long)(exchange),(long)(compare)))
 116 # define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
 117     ((void*)BOOST_INTERLOCKED_EXCHANGE((long volatile*)(dest),(long)(exchange)))
 118
 119 #else
 120
 121 # error "Interlocked intrinsics not available"
 122
 123 #endif
 124
 125 #endif // #ifndef BOOST_DETAIL_INTERLOCKED_HPP_INCLUDED