text: #ifndef BOOST_DETAIL_INTERLOCKED_HPP_INCLUDED
  #define BOOST_DETAIL_INTERLOCKED_HPP_INCLUDED
  
  //
  //  boost/detail/interlocked.hpp
  //
  //  Copyright 2005 Peter Dimov
  //  Copyright 2018, 2019 Andrey Semashev
  //
  //  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>
  
  #ifdef BOOST_HAS_PRAGMA_ONCE
  #pragma once
  #endif
  
  // BOOST_INTERLOCKED_HAS_INTRIN_H
  
  // VC9 has intrin.h, but it collides with <utility>
  #if defined( BOOST_MSVC ) && BOOST_MSVC >= 1600
  
  # define BOOST_INTERLOCKED_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_INTERLOCKED_HAS_INTRIN_H
  
  #elif defined( __CYGWIN__ )
  
  // Cygwin and Cygwin64 provide intrin.h. On Cygwin64 we have to use intrin.h because it's an LP64 target,
  // where long is 64-bit and therefore _Interlocked* functions have different signatures.
  # define BOOST_INTERLOCKED_HAS_INTRIN_H
  
  // Intel C++ on Windows on VC10+ stdlib
  #elif defined( BOOST_INTEL_WIN ) && defined( _CPPLIB_VER ) && _CPPLIB_VER >= 520
  
  # define BOOST_INTERLOCKED_HAS_INTRIN_H
  
  // clang-cl on Windows on VC10+ stdlib
  #elif defined( __clang__ ) && defined( _MSC_VER ) && defined( _CPPLIB_VER ) && _CPPLIB_VER >= 520
  
  # define BOOST_INTERLOCKED_HAS_INTRIN_H
  
  #endif
  
  #if !defined(__LP64__)
  #define BOOST_INTERLOCKED_LONG32 long
  #else
  #define BOOST_INTERLOCKED_LONG32 int
  #endif
  
  #if defined( BOOST_USE_WINDOWS_H )
  
  # include <windows.h>
  
  # define BOOST_INTERLOCKED_INCREMENT(dest) \
      InterlockedIncrement((BOOST_INTERLOCKED_LONG32*)(dest))
  # define BOOST_INTERLOCKED_DECREMENT(dest) \
      InterlockedDecrement((BOOST_INTERLOCKED_LONG32*)(dest))
  # define BOOST_INTERLOCKED_COMPARE_EXCHANGE(dest, exchange, compare) \
      InterlockedCompareExchange((BOOST_INTERLOCKED_LONG32*)(dest), (BOOST_INTERLOCKED_LONG32)(exchange), (BOOST_INTERLOCKED_LONG32)(compare))
  # define BOOST_INTERLOCKED_EXCHANGE(dest, exchange) \
      InterlockedExchange((BOOST_INTERLOCKED_LONG32*)(dest), (BOOST_INTERLOCKED_LONG32)(exchange))
  # define BOOST_INTERLOCKED_EXCHANGE_ADD(dest, add) \
      InterlockedExchangeAdd((BOOST_INTERLOCKED_LONG32*)(dest), (BOOST_INTERLOCKED_LONG32)(add))
  # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest, exchange, compare) \
      InterlockedCompareExchangePointer((void**)(dest), (void*)(exchange), (void*)(compare))
  # define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest, exchange) \
      InterlockedExchangePointer((void**)(dest), (void*)(exchange))
  
  #elif defined( BOOST_USE_INTRIN_H ) || defined( BOOST_INTERLOCKED_HAS_INTRIN_H )
  
  #include <intrin.h>
  
  # define BOOST_INTERLOCKED_INCREMENT(dest) \
      _InterlockedIncrement((BOOST_INTERLOCKED_LONG32*)(dest))
  # define BOOST_INTERLOCKED_DECREMENT(dest) \
      _InterlockedDecrement((BOOST_INTERLOCKED_LONG32*)(dest))
  # define BOOST_INTERLOCKED_COMPARE_EXCHANGE(dest, exchange, compare) \
      _InterlockedCompareExchange((BOOST_INTERLOCKED_LONG32*)(dest), (BOOST_INTERLOCKED_LONG32)(exchange), (BOOST_INTERLOCKED_LONG32)(compare))
  # define BOOST_INTERLOCKED_EXCHANGE(dest, exchange) \
      _InterlockedExchange((BOOST_INTERLOCKED_LONG32*)(dest), (BOOST_INTERLOCKED_LONG32)(exchange))
  # define BOOST_INTERLOCKED_EXCHANGE_ADD(dest, add) \
      _InterlockedExchangeAdd((BOOST_INTERLOCKED_LONG32*)(dest), (BOOST_INTERLOCKED_LONG32)(add))
  
  // Note: Though MSVC-12 defines _InterlockedCompareExchangePointer and _InterlockedExchangePointer in intrin.h, the latter
  //       is actually broken as it conflicts with winnt.h from Windows SDK 8.1.
  # if (defined(_MSC_VER) && _MSC_VER >= 1900) || \
    (defined(_M_IA64) || defined(_M_AMD64) || defined(__x86_64__) || defined(__x86_64) || defined(_M_ARM64))
  
  #  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest, exchange, compare) \
       _InterlockedCompareExchangePointer((void**)(dest), (void*)(exchange), (void*)(compare))
  #  define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest, exchange) \
       _InterlockedExchangePointer((void**)(dest), (void*)(exchange))
  
  # else
  
  #  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest, exchange, compare) \
      ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((BOOST_INTERLOCKED_LONG32*)(dest), (BOOST_INTERLOCKED_LONG32)(exchange), (BOOST_INTERLOCKED_LONG32)(compare)))
  #  define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest, exchange) \
      ((void*)BOOST_INTERLOCKED_EXCHANGE((BOOST_INTERLOCKED_LONG32*)(dest), (BOOST_INTERLOCKED_LONG32)(exchange)))
  
  # endif
  
  #elif defined(_WIN32_WCE)
  
  #if _WIN32_WCE >= 0x600
  
  extern "C" BOOST_INTERLOCKED_LONG32 __cdecl _InterlockedIncrement( BOOST_INTERLOCKED_LONG32 volatile * );
  extern "C" BOOST_INTERLOCKED_LONG32 __cdecl _InterlockedDecrement( BOOST_INTERLOCKED_LONG32 volatile * );
  extern "C" BOOST_INTERLOCKED_LONG32 __cdecl _InterlockedCompareExchange( BOOST_INTERLOCKED_LONG32 volatile *, BOOST_INTERLOCKED_LONG32, BOOST_INTERLOCKED_LONG32 );
  extern "C" BOOST_INTERLOCKED_LONG32 __cdecl _InterlockedExchange( BOOST_INTERLOCKED_LONG32 volatile *, BOOST_INTERLOCKED_LONG32 );
  extern "C" BOOST_INTERLOCKED_LONG32 __cdecl _InterlockedExchangeAdd( BOOST_INTERLOCKED_LONG32 volatile *, BOOST_INTERLOCKED_LONG32 );
  
  # define BOOST_INTERLOCKED_INCREMENT(dest) \
      _InterlockedIncrement((BOOST_INTERLOCKED_LONG32*)(dest))
  # define BOOST_INTERLOCKED_DECREMENT(dest) \
      _InterlockedDecrement((BOOST_INTERLOCKED_LONG32*)(dest))
  # define BOOST_INTERLOCKED_COMPARE_EXCHANGE(dest, exchange, compare) \
      _InterlockedCompareExchange((BOOST_INTERLOCKED_LONG32*)(dest), (BOOST_INTERLOCKED_LONG32)(exchange), (BOOST_INTERLOCKED_LONG32)(compare))
  # define BOOST_INTERLOCKED_EXCHANGE(dest, exchange) \
      _InterlockedExchange((BOOST_INTERLOCKED_LONG32*)(dest), (BOOST_INTERLOCKED_LONG32)(exchange))
  # define BOOST_INTERLOCKED_EXCHANGE_ADD(dest, add) \
      _InterlockedExchangeAdd((BOOST_INTERLOCKED_LONG32*)(dest), (BOOST_INTERLOCKED_LONG32)(add))
  
  #else // _WIN32_WCE >= 0x600
  
  // under Windows CE we still have old-style Interlocked* functions
  
  extern "C" BOOST_INTERLOCKED_LONG32 __cdecl InterlockedIncrement( BOOST_INTERLOCKED_LONG32 * );
  extern "C" BOOST_INTERLOCKED_LONG32 __cdecl InterlockedDecrement( BOOST_INTERLOCKED_LONG32 * );
  extern "C" BOOST_INTERLOCKED_LONG32 __cdecl InterlockedCompareExchange( BOOST_INTERLOCKED_LONG32 *, BOOST_INTERLOCKED_LONG32, BOOST_INTERLOCKED_LONG32 );
  extern "C" BOOST_INTERLOCKED_LONG32 __cdecl InterlockedExchange( BOOST_INTERLOCKED_LONG32 *, BOOST_INTERLOCKED_LONG32 );
  extern "C" BOOST_INTERLOCKED_LONG32 __cdecl InterlockedExchangeAdd( BOOST_INTERLOCKED_LONG32 *, BOOST_INTERLOCKED_LONG32 );
  
  # define BOOST_INTERLOCKED_INCREMENT(dest) \
      InterlockedIncrement((BOOST_INTERLOCKED_LONG32*)(dest))
  # define BOOST_INTERLOCKED_DECREMENT(dest) \
      InterlockedDecrement((BOOST_INTERLOCKED_LONG32*)(dest))
  # define BOOST_INTERLOCKED_COMPARE_EXCHANGE(dest, exchange, compare) \
      InterlockedCompareExchange((BOOST_INTERLOCKED_LONG32*)(dest), (BOOST_INTERLOCKED_LONG32)(exchange), (BOOST_INTERLOCKED_LONG32)(compare))
  # define BOOST_INTERLOCKED_EXCHANGE(dest, exchange) \
      InterlockedExchange((BOOST_INTERLOCKED_LONG32*)(dest), (BOOST_INTERLOCKED_LONG32)(exchange))
  # define BOOST_INTERLOCKED_EXCHANGE_ADD(dest, add) \
      InterlockedExchangeAdd((BOOST_INTERLOCKED_LONG32*)(dest), (BOOST_INTERLOCKED_LONG32)(add))
  
  #endif // _WIN32_WCE >= 0x600
  
  # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest, exchange, compare) \
      ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((BOOST_INTERLOCKED_LONG32*)(dest), (BOOST_INTERLOCKED_LONG32)(exchange), (BOOST_INTERLOCKED_LONG32)(compare)))
  # define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest, exchange) \
      ((void*)BOOST_INTERLOCKED_EXCHANGE((BOOST_INTERLOCKED_LONG32*)(dest), (BOOST_INTERLOCKED_LONG32)(exchange)))
  
  #elif defined( BOOST_MSVC ) || defined( BOOST_INTEL_WIN )
  
  # if defined( __CLRCALL_PURE_OR_CDECL )
  #  define BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL __CLRCALL_PURE_OR_CDECL
  # else
  #  define BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL __cdecl
  # endif
  
  extern "C" BOOST_INTERLOCKED_LONG32 BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL _InterlockedIncrement( BOOST_INTERLOCKED_LONG32 volatile * );
  extern "C" BOOST_INTERLOCKED_LONG32 BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL _InterlockedDecrement( BOOST_INTERLOCKED_LONG32 volatile * );
  extern "C" BOOST_INTERLOCKED_LONG32 BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL _InterlockedCompareExchange( BOOST_INTERLOCKED_LONG32 volatile *, BOOST_INTERLOCKED_LONG32, BOOST_INTERLOCKED_LONG32 );
  extern "C" BOOST_INTERLOCKED_LONG32 BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL _InterlockedExchange( BOOST_INTERLOCKED_LONG32 volatile *, BOOST_INTERLOCKED_LONG32 );
  extern "C" BOOST_INTERLOCKED_LONG32 BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL _InterlockedExchangeAdd( BOOST_INTERLOCKED_LONG32 volatile *, BOOST_INTERLOCKED_LONG32 );
  
  # if defined( BOOST_MSVC ) && BOOST_MSVC >= 1310
  #  pragma intrinsic( _InterlockedIncrement )
  #  pragma intrinsic( _InterlockedDecrement )
  #  pragma intrinsic( _InterlockedCompareExchange )
  #  pragma intrinsic( _InterlockedExchange )
  #  pragma intrinsic( _InterlockedExchangeAdd )
  # endif
  
  # if defined(_M_IA64) || defined(_M_AMD64) || defined(_M_ARM64)
  
  extern "C" void* BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL _InterlockedCompareExchangePointer( void* volatile *, void*, void* );
  extern "C" void* BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL _InterlockedExchangePointer( void* volatile *, void* );
  
  #  if defined( BOOST_MSVC ) && BOOST_MSVC >= 1310
  #   pragma intrinsic( _InterlockedCompareExchangePointer )
  #   pragma intrinsic( _InterlockedExchangePointer )
  #  endif
  
  #  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest, exchange, compare) \
       _InterlockedCompareExchangePointer((void**)(dest), (void*)(exchange), (void*)(compare))
  #  define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest, exchange) \
       _InterlockedExchangePointer((void**)(dest), (void*)(exchange))
  
  # else
  
  #  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest, exchange, compare) \
      ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((BOOST_INTERLOCKED_LONG32*)(dest), (BOOST_INTERLOCKED_LONG32)(exchange), (BOOST_INTERLOCKED_LONG32)(compare)))
  #  define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest, exchange) \
      ((void*)BOOST_INTERLOCKED_EXCHANGE((BOOST_INTERLOCKED_LONG32*)(dest), (BOOST_INTERLOCKED_LONG32)(exchange)))
  
  # endif
  
  # undef BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL
  
  # define BOOST_INTERLOCKED_INCREMENT(dest) \
      _InterlockedIncrement((BOOST_INTERLOCKED_LONG32*)(dest))
  # define BOOST_INTERLOCKED_DECREMENT(dest) \
      _InterlockedDecrement((BOOST_INTERLOCKED_LONG32*)(dest))
  # define BOOST_INTERLOCKED_COMPARE_EXCHANGE(dest, exchange, compare) \
      _InterlockedCompareExchange((BOOST_INTERLOCKED_LONG32*)(dest), (BOOST_INTERLOCKED_LONG32)(exchange), (BOOST_INTERLOCKED_LONG32)(compare))
  # define BOOST_INTERLOCKED_EXCHANGE(dest, exchange) \
      _InterlockedExchange((BOOST_INTERLOCKED_LONG32*)(dest), (BOOST_INTERLOCKED_LONG32)(exchange))
  # define BOOST_INTERLOCKED_EXCHANGE_ADD(dest, add) \
      _InterlockedExchangeAdd((BOOST_INTERLOCKED_LONG32*)(dest), (BOOST_INTERLOCKED_LONG32)(add))
  
  #elif defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ )
  
  #define BOOST_INTERLOCKED_IMPORT __declspec(dllimport)
  
  namespace boost
  {
  
  namespace detail
  {
  
  extern "C" BOOST_INTERLOCKED_IMPORT BOOST_INTERLOCKED_LONG32 __stdcall InterlockedIncrement( BOOST_INTERLOCKED_LONG32 volatile * );
  extern "C" BOOST_INTERLOCKED_IMPORT BOOST_INTERLOCKED_LONG32 __stdcall InterlockedDecrement( BOOST_INTERLOCKED_LONG32 volatile * );
  extern "C" BOOST_INTERLOCKED_IMPORT BOOST_INTERLOCKED_LONG32 __stdcall InterlockedCompareExchange( BOOST_INTERLOCKED_LONG32 volatile *, BOOST_INTERLOCKED_LONG32, BOOST_INTERLOCKED_LONG32 );
  extern "C" BOOST_INTERLOCKED_IMPORT BOOST_INTERLOCKED_LONG32 __stdcall InterlockedExchange( BOOST_INTERLOCKED_LONG32 volatile *, BOOST_INTERLOCKED_LONG32 );
  extern "C" BOOST_INTERLOCKED_IMPORT BOOST_INTERLOCKED_LONG32 __stdcall InterlockedExchangeAdd( BOOST_INTERLOCKED_LONG32 volatile *, BOOST_INTERLOCKED_LONG32 );
  
  # if defined(_M_IA64) || defined(_M_AMD64) || defined(_M_ARM64)
  extern "C" BOOST_INTERLOCKED_IMPORT void* __stdcall InterlockedCompareExchangePointer( void* volatile *, void*, void* );
  extern "C" BOOST_INTERLOCKED_IMPORT void* __stdcall InterlockedExchangePointer( void* volatile *, void* );
  # endif
  
  } // namespace detail
  
  } // namespace boost
  
  # define BOOST_INTERLOCKED_INCREMENT(dest) \
      ::boost::detail::InterlockedIncrement((BOOST_INTERLOCKED_LONG32*)(dest))
  # define BOOST_INTERLOCKED_DECREMENT(dest) \
      ::boost::detail::InterlockedDecrement((BOOST_INTERLOCKED_LONG32*)(dest))
  # define BOOST_INTERLOCKED_COMPARE_EXCHANGE(dest, exchange, compare) \
      ::boost::detail::InterlockedCompareExchange((BOOST_INTERLOCKED_LONG32*)(dest), (BOOST_INTERLOCKED_LONG32)(exchange), (BOOST_INTERLOCKED_LONG32)(compare))
  # define BOOST_INTERLOCKED_EXCHANGE(dest, exchange) \
      ::boost::detail::InterlockedExchange((BOOST_INTERLOCKED_LONG32*)(dest), (BOOST_INTERLOCKED_LONG32)(exchange))
  # define BOOST_INTERLOCKED_EXCHANGE_ADD(dest, add) \
      ::boost::detail::InterlockedExchangeAdd((BOOST_INTERLOCKED_LONG32*)(dest), (BOOST_INTERLOCKED_LONG32)(add))
  
  # if defined(_M_IA64) || defined(_M_AMD64) || defined(_M_ARM64)
  #  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest, exchange, compare) \
       ::boost::detail::InterlockedCompareExchangePointer((void**)(dest), (void*)(exchange), (void*)(compare))
  #  define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest, exchange) \
       ::boost::detail::InterlockedExchangePointer((void**)(dest), (void*)(exchange))
  # else
  #  define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest, exchange, compare) \
      ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((BOOST_INTERLOCKED_LONG32 volatile*)(dest),(BOOST_INTERLOCKED_LONG32)(exchange),(BOOST_INTERLOCKED_LONG32)(compare)))
  #  define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest, exchange) \
      ((void*)BOOST_INTERLOCKED_EXCHANGE((BOOST_INTERLOCKED_LONG32*)(dest),(BOOST_INTERLOCKED_LONG32)(exchange)))
  # endif
  
  #else
  
  # error "Interlocked intrinsics not available"
  
  #endif
  
  #endif // #ifndef BOOST_DETAIL_INTERLOCKED_HPP_INCLUDED
  