ceph/src/boost/boost/asio/detail/impl/epoll_reactor.hpp

   1 //
   2 // detail/impl/epoll_reactor.hpp
   3 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2017 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
  11 #ifndef BOOST_ASIO_DETAIL_IMPL_EPOLL_REACTOR_HPP
  12 #define BOOST_ASIO_DETAIL_IMPL_EPOLL_REACTOR_HPP
  13
  14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  15 # pragma once
  16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  17
  18 #if defined(BOOST_ASIO_HAS_EPOLL)
  19
  20 #include <boost/asio/detail/push_options.hpp>
  21
  22 namespace boost {
  23 namespace asio {
  24 namespace detail {
  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
  32 template <typename Time_Traits>
  33 void epoll_reactor::remove_timer_queue(timer_queue<Time_Traits>& queue)
  34 {
  35   do_remove_timer_queue(queue);
  36 }
  37
  38 template <typename Time_Traits>
  39 void epoll_reactor::schedule_timer(timer_queue<Time_Traits>& queue,
  40     const typename Time_Traits::time_type& time,
  41     typename timer_queue<Time_Traits>::per_timer_data& timer, wait_op* op)
  42 {
  43   mutex::scoped_lock lock(mutex_);
  44
  45   if (shutdown_)
  46   {
  47     scheduler_.post_immediate_completion(op, false);
  48     return;
  49   }
  50
  51   bool earliest = queue.enqueue_timer(time, timer, op);
  52   scheduler_.work_started();
  53   if (earliest)
  54     update_timeout();
  55 }
  56
  57 template <typename Time_Traits>
  58 std::size_t epoll_reactor::cancel_timer(timer_queue<Time_Traits>& queue,
  59     typename timer_queue<Time_Traits>::per_timer_data& timer,
  60     std::size_t max_cancelled)
  61 {
  62   mutex::scoped_lock lock(mutex_);
  63   op_queue<operation> ops;
  64   std::size_t n = queue.cancel_timer(timer, ops, max_cancelled);
  65   lock.unlock();
  66   scheduler_.post_deferred_completions(ops);
  67   return n;
  68 }
  69
  70 template <typename Time_Traits>
  71 void epoll_reactor::move_timer(timer_queue<Time_Traits>& queue,
  72     typename timer_queue<Time_Traits>::per_timer_data& target,
  73     typename timer_queue<Time_Traits>::per_timer_data& source)
  74 {
  75   mutex::scoped_lock lock(mutex_);
  76   op_queue<operation> ops;
  77   queue.cancel_timer(target, ops);
  78   queue.move_timer(target, source);
  79   lock.unlock();
  80   scheduler_.post_deferred_completions(ops);
  81 }
  82
  83 } // namespace detail
  84 } // namespace asio
  85 } // namespace boost
  86
  87 #include <boost/asio/detail/pop_options.hpp>
  88
  89 #endif // defined(BOOST_ASIO_HAS_EPOLL)
  90
  91 #endif // BOOST_ASIO_DETAIL_IMPL_EPOLL_REACTOR_HPP