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os/ossrv/ossrv_pub/boost_apis/boost/detail/interlocked.hpp
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution. 
     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
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