text: //
  // detail/keyword_tss_ptr.hpp
  // ~~~~~~~~~~~~~~~~~~~~~~~~~~
  //
  // Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  //
  // 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)
  //
  
  #ifndef ASIO_DETAIL_KEYWORD_TSS_PTR_HPP
  #define ASIO_DETAIL_KEYWORD_TSS_PTR_HPP
  
  #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  # pragma once
  #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  
  #include "asio/detail/config.hpp"
  
  #if defined(ASIO_HAS_THREAD_KEYWORD_EXTENSION)
  
  #include "asio/detail/noncopyable.hpp"
  
  #include "asio/detail/push_options.hpp"
  
  namespace asio {
  namespace detail {
  
  template <typename T>
  class keyword_tss_ptr
    : private noncopyable
  {
  public:
    // Constructor.
    keyword_tss_ptr()
    {
    }
  
    // Destructor.
    ~keyword_tss_ptr()
    {
    }
  
    // Get the value.
    operator T*() const
    {
      return value_;
    }
  
    // Set the value.
    void operator=(T* value)
    {
      value_ = value;
    }
  
  private:
    static ASIO_THREAD_KEYWORD T* value_;
  };
  
  template <typename T>
  ASIO_THREAD_KEYWORD T* keyword_tss_ptr<T>::value_;
  
  } // namespace detail
  } // namespace asio
  
  #include "asio/detail/pop_options.hpp"
  
  #endif // defined(ASIO_HAS_THREAD_KEYWORD_EXTENSION)
  
  #endif // ASIO_DETAIL_KEYWORD_TSS_PTR_HPP
  