epoll_reactor.hpp 3.0 KB

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  1. //
  2. // detail/impl/epoll_reactor.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_IMPL_EPOLL_REACTOR_HPP
  11. #define BOOST_ASIO_DETAIL_IMPL_EPOLL_REACTOR_HPP
  12. #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  13. # pragma once
  14. #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  15. #if defined(BOOST_ASIO_HAS_EPOLL)
  16. #include <boost/asio/detail/scheduler.hpp>
  17. #include <boost/asio/detail/push_options.hpp>
  18. namespace boost {
  19. namespace asio {
  20. namespace detail {
  21. inline void epoll_reactor::post_immediate_completion(
  22. operation* op, bool is_continuation) const
  23. {
  24. scheduler_.post_immediate_completion(op, is_continuation);
  25. }
  26. template <typename Time_Traits>
  27. void epoll_reactor::add_timer_queue(timer_queue<Time_Traits>& queue)
  28. {
  29. do_add_timer_queue(queue);
  30. }
  31. template <typename Time_Traits>
  32. void epoll_reactor::remove_timer_queue(timer_queue<Time_Traits>& queue)
  33. {
  34. do_remove_timer_queue(queue);
  35. }
  36. template <typename Time_Traits>
  37. void epoll_reactor::schedule_timer(timer_queue<Time_Traits>& queue,
  38. const typename Time_Traits::time_type& time,
  39. typename timer_queue<Time_Traits>::per_timer_data& timer, wait_op* op)
  40. {
  41. mutex::scoped_lock lock(mutex_);
  42. if (shutdown_)
  43. {
  44. scheduler_.post_immediate_completion(op, false);
  45. return;
  46. }
  47. bool earliest = queue.enqueue_timer(time, timer, op);
  48. scheduler_.work_started();
  49. if (earliest)
  50. update_timeout();
  51. }
  52. template <typename Time_Traits>
  53. std::size_t epoll_reactor::cancel_timer(timer_queue<Time_Traits>& queue,
  54. typename timer_queue<Time_Traits>::per_timer_data& timer,
  55. std::size_t max_cancelled)
  56. {
  57. mutex::scoped_lock lock(mutex_);
  58. op_queue<operation> ops;
  59. std::size_t n = queue.cancel_timer(timer, ops, max_cancelled);
  60. lock.unlock();
  61. scheduler_.post_deferred_completions(ops);
  62. return n;
  63. }
  64. template <typename Time_Traits>
  65. void epoll_reactor::cancel_timer_by_key(timer_queue<Time_Traits>& queue,
  66. typename timer_queue<Time_Traits>::per_timer_data* timer,
  67. void* cancellation_key)
  68. {
  69. mutex::scoped_lock lock(mutex_);
  70. op_queue<operation> ops;
  71. queue.cancel_timer_by_key(timer, ops, cancellation_key);
  72. lock.unlock();
  73. scheduler_.post_deferred_completions(ops);
  74. }
  75. template <typename Time_Traits>
  76. void epoll_reactor::move_timer(timer_queue<Time_Traits>& queue,
  77. typename timer_queue<Time_Traits>::per_timer_data& target,
  78. typename timer_queue<Time_Traits>::per_timer_data& source)
  79. {
  80. mutex::scoped_lock lock(mutex_);
  81. op_queue<operation> ops;
  82. queue.cancel_timer(target, ops);
  83. queue.move_timer(target, source);
  84. lock.unlock();
  85. scheduler_.post_deferred_completions(ops);
  86. }
  87. } // namespace detail
  88. } // namespace asio
  89. } // namespace boost
  90. #include <boost/asio/detail/pop_options.hpp>
  91. #endif // defined(BOOST_ASIO_HAS_EPOLL)
  92. #endif // BOOST_ASIO_DETAIL_IMPL_EPOLL_REACTOR_HPP