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7c673cae | 1 | // |
b32b8144 | 2 | // detail/impl/win_iocp_io_context.hpp |
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3 | // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
4 | // | |
92f5a8d4 | 5 | // Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
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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 | ||
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11 | #ifndef BOOST_ASIO_DETAIL_IMPL_WIN_IOCP_IO_CONTEXT_HPP |
12 | #define BOOST_ASIO_DETAIL_IMPL_WIN_IOCP_IO_CONTEXT_HPP | |
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13 | |
14 | #if defined(_MSC_VER) && (_MSC_VER >= 1200) | |
15 | # pragma once | |
16 | #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) | |
17 | ||
18 | #include <boost/asio/detail/config.hpp> | |
19 | ||
20 | #if defined(BOOST_ASIO_HAS_IOCP) | |
21 | ||
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22 | #include <boost/asio/detail/completion_handler.hpp> |
23 | #include <boost/asio/detail/fenced_block.hpp> | |
24 | #include <boost/asio/detail/handler_alloc_helpers.hpp> | |
25 | #include <boost/asio/detail/handler_invoke_helpers.hpp> | |
b32b8144 | 26 | #include <boost/asio/detail/memory.hpp> |
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27 | |
28 | #include <boost/asio/detail/push_options.hpp> | |
29 | ||
30 | namespace boost { | |
31 | namespace asio { | |
32 | namespace detail { | |
33 | ||
7c673cae | 34 | template <typename Time_Traits> |
b32b8144 | 35 | void win_iocp_io_context::add_timer_queue( |
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36 | timer_queue<Time_Traits>& queue) |
37 | { | |
38 | do_add_timer_queue(queue); | |
39 | } | |
40 | ||
41 | template <typename Time_Traits> | |
b32b8144 | 42 | void win_iocp_io_context::remove_timer_queue( |
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43 | timer_queue<Time_Traits>& queue) |
44 | { | |
45 | do_remove_timer_queue(queue); | |
46 | } | |
47 | ||
48 | template <typename Time_Traits> | |
b32b8144 | 49 | void win_iocp_io_context::schedule_timer(timer_queue<Time_Traits>& queue, |
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50 | const typename Time_Traits::time_type& time, |
51 | typename timer_queue<Time_Traits>::per_timer_data& timer, wait_op* op) | |
52 | { | |
53 | // If the service has been shut down we silently discard the timer. | |
54 | if (::InterlockedExchangeAdd(&shutdown_, 0) != 0) | |
55 | { | |
56 | post_immediate_completion(op, false); | |
57 | return; | |
58 | } | |
59 | ||
60 | mutex::scoped_lock lock(dispatch_mutex_); | |
61 | ||
62 | bool earliest = queue.enqueue_timer(time, timer, op); | |
63 | work_started(); | |
64 | if (earliest) | |
65 | update_timeout(); | |
66 | } | |
67 | ||
68 | template <typename Time_Traits> | |
b32b8144 | 69 | std::size_t win_iocp_io_context::cancel_timer(timer_queue<Time_Traits>& queue, |
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70 | typename timer_queue<Time_Traits>::per_timer_data& timer, |
71 | std::size_t max_cancelled) | |
72 | { | |
73 | // If the service has been shut down we silently ignore the cancellation. | |
74 | if (::InterlockedExchangeAdd(&shutdown_, 0) != 0) | |
75 | return 0; | |
76 | ||
77 | mutex::scoped_lock lock(dispatch_mutex_); | |
78 | op_queue<win_iocp_operation> ops; | |
79 | std::size_t n = queue.cancel_timer(timer, ops, max_cancelled); | |
80 | post_deferred_completions(ops); | |
81 | return n; | |
82 | } | |
83 | ||
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84 | template <typename Time_Traits> |
85 | void win_iocp_io_context::move_timer(timer_queue<Time_Traits>& queue, | |
86 | typename timer_queue<Time_Traits>::per_timer_data& to, | |
87 | typename timer_queue<Time_Traits>::per_timer_data& from) | |
88 | { | |
89 | boost::asio::detail::mutex::scoped_lock lock(dispatch_mutex_); | |
90 | op_queue<operation> ops; | |
91 | queue.cancel_timer(to, ops); | |
92 | queue.move_timer(to, from); | |
93 | lock.unlock(); | |
94 | post_deferred_completions(ops); | |
95 | } | |
96 | ||
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97 | } // namespace detail |
98 | } // namespace asio | |
99 | } // namespace boost | |
100 | ||
101 | #include <boost/asio/detail/pop_options.hpp> | |
102 | ||
103 | #endif // defined(BOOST_ASIO_HAS_IOCP) | |
104 | ||
b32b8144 | 105 | #endif // BOOST_ASIO_DETAIL_IMPL_WIN_IOCP_IO_CONTEXT_HPP |