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