signal_op.hpp 1.2 KB

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  1. //
  2. // detail/signal_op.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_SIGNAL_OP_HPP
  11. #define BOOST_ASIO_DETAIL_SIGNAL_OP_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 <boost/asio/detail/operation.hpp>
  17. #include <boost/asio/detail/push_options.hpp>
  18. namespace boost {
  19. namespace asio {
  20. namespace detail {
  21. class signal_op
  22. : public operation
  23. {
  24. public:
  25. // The error code to be passed to the completion handler.
  26. boost::system::error_code ec_;
  27. // The operation key used for targeted cancellation.
  28. void* cancellation_key_;
  29. // The signal number to be passed to the completion handler.
  30. int signal_number_;
  31. protected:
  32. signal_op(func_type func)
  33. : operation(func),
  34. cancellation_key_(0),
  35. signal_number_(0)
  36. {
  37. }
  38. };
  39. } // namespace detail
  40. } // namespace asio
  41. } // namespace boost
  42. #include <boost/asio/detail/pop_options.hpp>
  43. #endif // BOOST_ASIO_DETAIL_SIGNAL_OP_HPP