1//
2// detail/keyword_tss_ptr.hpp
3// ~~~~~~~~~~~~~~~~~~~~~~~~~~
4//
5// Copyright (c) 2003-2015 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
26namespace boost {
27namespace asio {
28namespace detail {
29
30template <typename T>
31class keyword_tss_ptr
32 : private noncopyable
33{
34public:
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
57private:
58 static BOOST_ASIO_THREAD_KEYWORD T* value_;
59};
60
61template <typename T>
62BOOST_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
73

source code of boost/boost/asio/detail/keyword_tss_ptr.hpp