bad_executor.hpp 1.3 KB

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  1. //
  2. // execution/bad_executor.hpp
  3. // ~~~~~~~~~~~~~~~~~~~~~~~~~~
  4. //
  5. // Copyright (c) 2003-2021 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_EXECUTION_BAD_EXECUTOR_HPP
  11. #define BOOST_ASIO_EXECUTION_BAD_EXECUTOR_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. #include <exception>
  17. #include <boost/asio/detail/push_options.hpp>
  18. namespace boost {
  19. namespace asio {
  20. namespace execution {
  21. /// Exception thrown when trying to access an empty polymorphic executor.
  22. class bad_executor
  23. : public std::exception
  24. {
  25. public:
  26. /// Constructor.
  27. BOOST_ASIO_DECL bad_executor() BOOST_ASIO_NOEXCEPT;
  28. /// Obtain message associated with exception.
  29. BOOST_ASIO_DECL virtual const char* what() const
  30. BOOST_ASIO_NOEXCEPT_OR_NOTHROW;
  31. };
  32. } // namespace execution
  33. } // namespace asio
  34. } // namespace boost
  35. #include <boost/asio/detail/pop_options.hpp>
  36. #if defined(BOOST_ASIO_HEADER_ONLY)
  37. # include <boost/asio/execution/impl/bad_executor.ipp>
  38. #endif // defined(BOOST_ASIO_HEADER_ONLY)
  39. #endif // BOOST_ASIO_EXECUTION_BAD_EXECUTOR_HPP