ceph/src/boost/libs/asio/include/boost/asio/detail/keyword_tss_ptr.hpp

   1 //
   2 // detail/keyword_tss_ptr.hpp
   3 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   6 //
   7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   9 //
  10
  11 #ifndef BOOST_ASIO_DETAIL_KEYWORD_TSS_PTR_HPP
  12 #define BOOST_ASIO_DETAIL_KEYWORD_TSS_PTR_HPP
  13
  14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  15 # pragma once
  16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  17
  18 #include <boost/asio/detail/config.hpp>
  19
  20 #if defined(BOOST_ASIO_HAS_THREAD_KEYWORD_EXTENSION)
  21
  22 #include <boost/asio/detail/noncopyable.hpp>
  23
  24 #include <boost/asio/detail/push_options.hpp>
  25
  26 namespace boost {
  27 namespace asio {
  28 namespace detail {
  29
  30 template <typename T>
  31 class keyword_tss_ptr
  32   : private noncopyable
  33 {
  34 public:
  35   // Constructor.
  36   keyword_tss_ptr()
  37   {
  38   }
  39
  40   // Destructor.
  41   ~keyword_tss_ptr()
  42   {
  43   }
  44
  45   // Get the value.
  46   operator T*() const
  47   {
  48     return value_;
  49   }
  50
  51   // Set the value.
  52   void operator=(T* value)
  53   {
  54     value_ = value;
  55   }
  56
  57 private:
  58   static BOOST_ASIO_THREAD_KEYWORD T* value_;
  59 };
  60
  61 template <typename T>
  62 BOOST_ASIO_THREAD_KEYWORD T* keyword_tss_ptr<T>::value_;
  63
  64 } // namespace detail
  65 } // namespace asio
  66 } // namespace boost
  67
  68 #include <boost/asio/detail/pop_options.hpp>
  69
  70 #endif // defined(BOOST_ASIO_HAS_THREAD_KEYWORD_EXTENSION)
  71
  72 #endif // BOOST_ASIO_DETAIL_KEYWORD_TSS_PTR_HPP