service_base.hpp 1.1 KB

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  1. //
  2. // service_base.hpp
  3. // ~~~~~~~~~~~~~~~~
  4. //
  5. // Copyright (c) 2003-2010 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 ASIO_DETAIL_SERVICE_BASE_HPP
  11. #define ASIO_DETAIL_SERVICE_BASE_HPP
  12. #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  13. # pragma once
  14. #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  15. #include "asio/detail/push_options.hpp"
  16. #include "asio/io_service.hpp"
  17. #include "asio/detail/service_id.hpp"
  18. namespace asio {
  19. namespace detail {
  20. // Special service base class to keep classes header-file only.
  21. template <typename Type>
  22. class service_base
  23. : public asio::io_service::service
  24. {
  25. public:
  26. static asio::detail::service_id<Type> id;
  27. // Constructor.
  28. service_base(asio::io_service& io_service)
  29. : asio::io_service::service(io_service)
  30. {
  31. }
  32. };
  33. template <typename Type>
  34. asio::detail::service_id<Type> service_base<Type>::id;
  35. } // namespace detail
  36. } // namespace asio
  37. #include "asio/detail/pop_options.hpp"
  38. #endif // ASIO_DETAIL_SERVICE_BASE_HPP