bad_executor.hpp 1.2 KB

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  1. //
  2. // execution/bad_executor.hpp
  3. // ~~~~~~~~~~~~~~~~~~~~~~~~~~
  4. //
  5. // Copyright (c) 2003-2022 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_EXECUTION_BAD_EXECUTOR_HPP
  11. #define 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 "asio/detail/config.hpp"
  16. #include <exception>
  17. #include "asio/detail/push_options.hpp"
  18. namespace asio {
  19. namespace execution {
  20. /// Exception thrown when trying to access an empty polymorphic executor.
  21. class bad_executor
  22. : public std::exception
  23. {
  24. public:
  25. /// Constructor.
  26. ASIO_DECL bad_executor() ASIO_NOEXCEPT;
  27. /// Obtain message associated with exception.
  28. ASIO_DECL virtual const char* what() const
  29. ASIO_NOEXCEPT_OR_NOTHROW;
  30. };
  31. } // namespace execution
  32. } // namespace asio
  33. #include "asio/detail/pop_options.hpp"
  34. #if defined(ASIO_HEADER_ONLY)
  35. # include "asio/execution/impl/bad_executor.ipp"
  36. #endif // defined(ASIO_HEADER_ONLY)
  37. #endif // ASIO_EXECUTION_BAD_EXECUTOR_HPP