text: #ifndef BOOST_SMART_PTR_DETAIL_SP_INTERLOCKED_HPP_INCLUDED
  #define BOOST_SMART_PTR_DETAIL_SP_INTERLOCKED_HPP_INCLUDED
  
  // MS compatible compilers support #pragma once
  
  #if defined(_MSC_VER) && (_MSC_VER >= 1020)
  # pragma once
  #endif
  
  //
  //  boost/detail/sp_interlocked.hpp
  //
  //  Copyright 2005, 2014 Peter Dimov
  //
  //  Distributed under the Boost Software License, Version 1.0.
  //  See accompanying file LICENSE_1_0.txt or copy at
  //  http://www.boost.org/LICENSE_1_0.txt
  //
  
  #include <boost/config.hpp>
  
  // BOOST_SP_HAS_INTRIN_H
  
  // VC9 has intrin.h, but it collides with <utility>
  #if defined( BOOST_MSVC ) && BOOST_MSVC >= 1600
  
  # define BOOST_SP_HAS_INTRIN_H
  
  // Unlike __MINGW64__, __MINGW64_VERSION_MAJOR is defined by MinGW-w64 for both 32 and 64-bit targets.
  #elif defined( __MINGW64_VERSION_MAJOR )
  
  // MinGW-w64 provides intrin.h for both 32 and 64-bit targets.
  # define BOOST_SP_HAS_INTRIN_H
  
  #elif defined( __LP64__ )
  
  // We have to use intrin.h on Cygwin 64
  # define BOOST_SP_HAS_INTRIN_H
  
  // Intel C++ on Windows on VC10+ stdlib
  #elif defined( BOOST_INTEL_WIN ) && defined( _CPPLIB_VER ) && _CPPLIB_VER >= 520
  
  # define BOOST_SP_HAS_INTRIN_H
  
  // clang-cl on Windows on VC10+ stdlib
  #elif defined( __clang__ ) && defined( _MSC_VER ) && defined( _CPPLIB_VER ) && _CPPLIB_VER >= 520
  
  # define BOOST_SP_HAS_INTRIN_H
  
  #endif
  
  #if defined( BOOST_USE_WINDOWS_H )
  
  # include <windows.h>
  
  # define BOOST_SP_INTERLOCKED_INCREMENT InterlockedIncrement
  # define BOOST_SP_INTERLOCKED_DECREMENT InterlockedDecrement
  # define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE InterlockedCompareExchange
  # define BOOST_SP_INTERLOCKED_EXCHANGE InterlockedExchange
  # define BOOST_SP_INTERLOCKED_EXCHANGE_ADD InterlockedExchangeAdd
  
  #elif defined( BOOST_USE_INTRIN_H ) || defined( BOOST_SP_HAS_INTRIN_H )
  
  #include <intrin.h>
  
  # define BOOST_SP_INTERLOCKED_INCREMENT _InterlockedIncrement
  # define BOOST_SP_INTERLOCKED_DECREMENT _InterlockedDecrement
  # define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
  # define BOOST_SP_INTERLOCKED_EXCHANGE _InterlockedExchange
  # define BOOST_SP_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
  
  #elif defined( _WIN32_WCE )
  
  #if _WIN32_WCE >= 0x600
  
  extern "C" long __cdecl _InterlockedIncrement( long volatile * );
  extern "C" long __cdecl _InterlockedDecrement( long volatile * );
  extern "C" long __cdecl _InterlockedCompareExchange( long volatile *, long, long );
  extern "C" long __cdecl _InterlockedExchange( long volatile *, long );
  extern "C" long __cdecl _InterlockedExchangeAdd( long volatile *, long );
  
  # define BOOST_SP_INTERLOCKED_INCREMENT _InterlockedIncrement
  # define BOOST_SP_INTERLOCKED_DECREMENT _InterlockedDecrement
  # define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
  # define BOOST_SP_INTERLOCKED_EXCHANGE _InterlockedExchange
  # define BOOST_SP_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
  
  #else
  
  // under Windows CE we still have old-style Interlocked* functions
  
  extern "C" long __cdecl InterlockedIncrement( long* );
  extern "C" long __cdecl InterlockedDecrement( long* );
  extern "C" long __cdecl InterlockedCompareExchange( long*, long, long );
  extern "C" long __cdecl InterlockedExchange( long*, long );
  extern "C" long __cdecl InterlockedExchangeAdd( long*, long );
  
  # define BOOST_SP_INTERLOCKED_INCREMENT InterlockedIncrement
  # define BOOST_SP_INTERLOCKED_DECREMENT InterlockedDecrement
  # define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE InterlockedCompareExchange
  # define BOOST_SP_INTERLOCKED_EXCHANGE InterlockedExchange
  # define BOOST_SP_INTERLOCKED_EXCHANGE_ADD InterlockedExchangeAdd
  
  #endif
  
  #elif defined( BOOST_MSVC ) || defined( BOOST_INTEL_WIN )
  
  #if defined( __CLRCALL_PURE_OR_CDECL )
  
  extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedIncrement( long volatile * );
  extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedDecrement( long volatile * );
  extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedCompareExchange( long volatile *, long, long );
  extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedExchange( long volatile *, long );
  extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedExchangeAdd( long volatile *, long );
  
  #else
  
  extern "C" long __cdecl _InterlockedIncrement( long volatile * );
  extern "C" long __cdecl _InterlockedDecrement( long volatile * );
  extern "C" long __cdecl _InterlockedCompareExchange( long volatile *, long, long );
  extern "C" long __cdecl _InterlockedExchange( long volatile *, long );
  extern "C" long __cdecl _InterlockedExchangeAdd( long volatile *, long );
  
  # if defined( BOOST_MSVC ) && BOOST_MSVC == 1310
  //From MSDN, Visual Studio .NET 2003 spedific: To declare one of the interlocked functions
  //for use as an intrinsic, the function must be declared with the leading underscore and
  //the new function must appear in a #pragma intrinsic statement.
  #  pragma intrinsic( _InterlockedIncrement )
  #  pragma intrinsic( _InterlockedDecrement )
  #  pragma intrinsic( _InterlockedCompareExchange )
  #  pragma intrinsic( _InterlockedExchange )
  #  pragma intrinsic( _InterlockedExchangeAdd )
  # endif
  
  #endif
  
  # define BOOST_SP_INTERLOCKED_INCREMENT _InterlockedIncrement
  # define BOOST_SP_INTERLOCKED_DECREMENT _InterlockedDecrement
  # define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
  # define BOOST_SP_INTERLOCKED_EXCHANGE _InterlockedExchange
  # define BOOST_SP_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
  
  #elif defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ ) || defined( __CYGWIN__ )
  
  namespace boost
  {
  
  namespace detail
  {
  
  extern "C" __declspec(dllimport) long __stdcall InterlockedIncrement( long volatile * );
  extern "C" __declspec(dllimport) long __stdcall InterlockedDecrement( long volatile * );
  extern "C" __declspec(dllimport) long __stdcall InterlockedCompareExchange( long volatile *, long, long );
  extern "C" __declspec(dllimport) long __stdcall InterlockedExchange( long volatile *, long );
  extern "C" __declspec(dllimport) long __stdcall InterlockedExchangeAdd( long volatile *, long );
  
  } // namespace detail
  
  } // namespace boost
  
  # define BOOST_SP_INTERLOCKED_INCREMENT ::boost::detail::InterlockedIncrement
  # define BOOST_SP_INTERLOCKED_DECREMENT ::boost::detail::InterlockedDecrement
  # define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE ::boost::detail::InterlockedCompareExchange
  # define BOOST_SP_INTERLOCKED_EXCHANGE ::boost::detail::InterlockedExchange
  # define BOOST_SP_INTERLOCKED_EXCHANGE_ADD ::boost::detail::InterlockedExchangeAdd
  
  #else
  
  # error "Interlocked intrinsics not available"
  
  #endif
  
  #endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_INTERLOCKED_HPP_INCLUDED
  