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File indexing completed on 2025-01-18 09:28:41

0001 //
0002 // detail/keyword_tss_ptr.hpp
0003 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
0004 //
0005 // Copyright (c) 2003-2023 Christopher M. Kohlhoff (chris at kohlhoff dot com)
0006 //
0007 // Distributed under the Boost Software License, Version 1.0. (See accompanying
0008 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
0009 //
0010 
0011 #ifndef BOOST_ASIO_DETAIL_KEYWORD_TSS_PTR_HPP
0012 #define BOOST_ASIO_DETAIL_KEYWORD_TSS_PTR_HPP
0013 
0014 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
0015 # pragma once
0016 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
0017 
0018 #include <boost/asio/detail/config.hpp>
0019 
0020 #if defined(BOOST_ASIO_HAS_THREAD_KEYWORD_EXTENSION)
0021 
0022 #include <boost/asio/detail/noncopyable.hpp>
0023 
0024 #include <boost/asio/detail/push_options.hpp>
0025 
0026 namespace boost {
0027 namespace asio {
0028 namespace detail {
0029 
0030 template <typename T>
0031 class keyword_tss_ptr
0032   : private noncopyable
0033 {
0034 public:
0035   // Constructor.
0036   keyword_tss_ptr()
0037   {
0038   }
0039 
0040   // Destructor.
0041   ~keyword_tss_ptr()
0042   {
0043   }
0044 
0045   // Get the value.
0046   operator T*() const
0047   {
0048     return value_;
0049   }
0050 
0051   // Set the value.
0052   void operator=(T* value)
0053   {
0054     value_ = value;
0055   }
0056 
0057 private:
0058   static BOOST_ASIO_THREAD_KEYWORD T* value_;
0059 };
0060 
0061 template <typename T>
0062 BOOST_ASIO_THREAD_KEYWORD T* keyword_tss_ptr<T>::value_;
0063 
0064 } // namespace detail
0065 } // namespace asio
0066 } // namespace boost
0067 
0068 #include <boost/asio/detail/pop_options.hpp>
0069 
0070 #endif // defined(BOOST_ASIO_HAS_THREAD_KEYWORD_EXTENSION)
0071 
0072 #endif // BOOST_ASIO_DETAIL_KEYWORD_TSS_PTR_HPP