fenced_block.hpp 1.1 KB

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  1. //
  2. // detail/fenced_block.hpp
  3. // ~~~~~~~~~~~~~~~~~~~~~~~
  4. //
  5. // Copyright (c) 2003-2024 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. #ifndef BOOST_ASIO_DETAIL_FENCED_BLOCK_HPP
  11. #define BOOST_ASIO_DETAIL_FENCED_BLOCK_HPP
  12. #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  13. # pragma once
  14. #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  15. #include <boost/asio/detail/config.hpp>
  16. #if !defined(BOOST_ASIO_HAS_THREADS) \
  17. || defined(BOOST_ASIO_DISABLE_FENCED_BLOCK)
  18. # include <boost/asio/detail/null_fenced_block.hpp>
  19. #else
  20. # include <boost/asio/detail/std_fenced_block.hpp>
  21. #endif
  22. namespace boost {
  23. namespace asio {
  24. namespace detail {
  25. #if !defined(BOOST_ASIO_HAS_THREADS) \
  26. || defined(BOOST_ASIO_DISABLE_FENCED_BLOCK)
  27. typedef null_fenced_block fenced_block;
  28. #else
  29. typedef std_fenced_block fenced_block;
  30. #endif
  31. } // namespace detail
  32. } // namespace asio
  33. } // namespace boost
  34. #endif // BOOST_ASIO_DETAIL_FENCED_BLOCK_HPP