text: #ifndef POTHOS_SMART_PTR_DETAIL_SPINLOCK_HPP_INCLUDED
  #define POTHOS_SMART_PTR_DETAIL_SPINLOCK_HPP_INCLUDED
  
  // MS compatible compilers support #pragma once
  
  #if defined(_MSC_VER) && (_MSC_VER >= 1020)
  # pragma once
  #endif
  
  //
  //  boost/detail/spinlock.hpp
  //
  //  Copyright (c) 2008 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)
  //
  //  struct spinlock
  //  {
  //      void lock();
  //      bool try_lock();
  //      void unlock();
  //
  //      class scoped_lock;
  //  };
  //
  //  #define BOOST_DETAIL_SPINLOCK_INIT <unspecified>
  //
  
  #include <Pothos/serialization/impl/config.hpp>
  #include <Pothos/serialization/impl/smart_ptr/detail/sp_has_sync.hpp>
  
  #if defined( POTHOS_SP_USE_PTHREADS )
  #  include <Pothos/serialization/impl/smart_ptr/detail/spinlock_pt.hpp>
  
  #elif defined(__GNUC__) && defined( __arm__ ) && !defined( __thumb__ )
  #  include <Pothos/serialization/impl/smart_ptr/detail/spinlock_gcc_arm.hpp>
  
  #elif defined( POTHOS_SP_HAS_SYNC )
  #  include <Pothos/serialization/impl/smart_ptr/detail/spinlock_sync.hpp>
  
  #elif defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__)
  #  include <Pothos/serialization/impl/smart_ptr/detail/spinlock_w32.hpp>
  
  #elif defined(POTHOS_HAS_PTHREADS)
  #  include <Pothos/serialization/impl/smart_ptr/detail/spinlock_pt.hpp>
  
  #elif !defined(POTHOS_HAS_THREADS)
  #  include <Pothos/serialization/impl/smart_ptr/detail/spinlock_nt.hpp>
  
  #else
  #  error Unrecognized threading platform
  #endif
  
  #endif // #ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_HPP_INCLUDED
  