1 //
2 // detail/null_fenced_block.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_NULL_FENCED_BLOCK_HPP
12 #define BOOST_ASIO_DETAIL_NULL_FENCED_BLOCK_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/push_options.hpp>
19 
20 namespace boost {
21 namespace asio {
22 namespace detail {
23 
24 class null_fenced_block
25   : private noncopyable
26 {
27 public:
28   enum half_or_full_t { half, full };
29 
30   // Constructor.
null_fenced_block(half_or_full_t)31   explicit null_fenced_block(half_or_full_t)
32   {
33   }
34 
35   // Destructor.
~null_fenced_block()36   ~null_fenced_block()
37   {
38   }
39 };
40 
41 } // namespace detail
42 } // namespace asio
43 } // namespace boost
44 
45 #include <boost/asio/detail/pop_options.hpp>
46 
47 #endif // BOOST_ASIO_DETAIL_NULL_FENCED_BLOCK_HPP
48