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1 | // |
2 | // impl/io_service.hpp | |
3 | // ~~~~~~~~~~~~~~~~~~~ | |
4 | // | |
5 | // Copyright (c) 2003-2016 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_IMPL_IO_SERVICE_HPP | |
12 | #define BOOST_ASIO_IMPL_IO_SERVICE_HPP | |
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/handler_type_requirements.hpp> | |
19 | #include <boost/asio/detail/service_registry.hpp> | |
20 | ||
21 | #include <boost/asio/detail/push_options.hpp> | |
22 | ||
23 | namespace boost { | |
24 | namespace asio { | |
25 | ||
26 | template <typename Service> | |
27 | inline Service& use_service(io_service& ios) | |
28 | { | |
29 | // Check that Service meets the necessary type requirements. | |
30 | (void)static_cast<io_service::service*>(static_cast<Service*>(0)); | |
31 | (void)static_cast<const io_service::id*>(&Service::id); | |
32 | ||
33 | return ios.service_registry_->template use_service<Service>(); | |
34 | } | |
35 | ||
36 | template <> | |
37 | inline detail::io_service_impl& use_service<detail::io_service_impl>( | |
38 | io_service& ios) | |
39 | { | |
40 | return ios.impl_; | |
41 | } | |
42 | ||
43 | template <typename Service> | |
44 | inline void add_service(io_service& ios, Service* svc) | |
45 | { | |
46 | // Check that Service meets the necessary type requirements. | |
47 | (void)static_cast<io_service::service*>(static_cast<Service*>(0)); | |
48 | (void)static_cast<const io_service::id*>(&Service::id); | |
49 | ||
50 | ios.service_registry_->template add_service<Service>(svc); | |
51 | } | |
52 | ||
53 | template <typename Service> | |
54 | inline bool has_service(io_service& ios) | |
55 | { | |
56 | // Check that Service meets the necessary type requirements. | |
57 | (void)static_cast<io_service::service*>(static_cast<Service*>(0)); | |
58 | (void)static_cast<const io_service::id*>(&Service::id); | |
59 | ||
60 | return ios.service_registry_->template has_service<Service>(); | |
61 | } | |
62 | ||
63 | } // namespace asio | |
64 | } // namespace boost | |
65 | ||
66 | #include <boost/asio/detail/pop_options.hpp> | |
67 | ||
68 | #if defined(BOOST_ASIO_HAS_IOCP) | |
69 | # include <boost/asio/detail/win_iocp_io_service.hpp> | |
70 | #else | |
71 | # include <boost/asio/detail/task_io_service.hpp> | |
72 | #endif | |
73 | ||
74 | #include <boost/asio/detail/push_options.hpp> | |
75 | ||
76 | namespace boost { | |
77 | namespace asio { | |
78 | ||
79 | template <typename CompletionHandler> | |
80 | inline BOOST_ASIO_INITFN_RESULT_TYPE(CompletionHandler, void ()) | |
81 | io_service::dispatch(BOOST_ASIO_MOVE_ARG(CompletionHandler) handler) | |
82 | { | |
83 | // If you get an error on the following line it means that your handler does | |
84 | // not meet the documented type requirements for a CompletionHandler. | |
85 | BOOST_ASIO_COMPLETION_HANDLER_CHECK(CompletionHandler, handler) type_check; | |
86 | ||
87 | detail::async_result_init< | |
88 | CompletionHandler, void ()> init( | |
89 | BOOST_ASIO_MOVE_CAST(CompletionHandler)(handler)); | |
90 | ||
91 | impl_.dispatch(init.handler); | |
92 | ||
93 | return init.result.get(); | |
94 | } | |
95 | ||
96 | template <typename CompletionHandler> | |
97 | inline BOOST_ASIO_INITFN_RESULT_TYPE(CompletionHandler, void ()) | |
98 | io_service::post(BOOST_ASIO_MOVE_ARG(CompletionHandler) handler) | |
99 | { | |
100 | // If you get an error on the following line it means that your handler does | |
101 | // not meet the documented type requirements for a CompletionHandler. | |
102 | BOOST_ASIO_COMPLETION_HANDLER_CHECK(CompletionHandler, handler) type_check; | |
103 | ||
104 | detail::async_result_init< | |
105 | CompletionHandler, void ()> init( | |
106 | BOOST_ASIO_MOVE_CAST(CompletionHandler)(handler)); | |
107 | ||
108 | impl_.post(init.handler); | |
109 | ||
110 | return init.result.get(); | |
111 | } | |
112 | ||
113 | template <typename Handler> | |
114 | #if defined(GENERATING_DOCUMENTATION) | |
115 | unspecified | |
116 | #else | |
117 | inline detail::wrapped_handler<io_service&, Handler> | |
118 | #endif | |
119 | io_service::wrap(Handler handler) | |
120 | { | |
121 | return detail::wrapped_handler<io_service&, Handler>(*this, handler); | |
122 | } | |
123 | ||
124 | inline io_service::work::work(boost::asio::io_service& io_service) | |
125 | : io_service_impl_(io_service.impl_) | |
126 | { | |
127 | io_service_impl_.work_started(); | |
128 | } | |
129 | ||
130 | inline io_service::work::work(const work& other) | |
131 | : io_service_impl_(other.io_service_impl_) | |
132 | { | |
133 | io_service_impl_.work_started(); | |
134 | } | |
135 | ||
136 | inline io_service::work::~work() | |
137 | { | |
138 | io_service_impl_.work_finished(); | |
139 | } | |
140 | ||
141 | inline boost::asio::io_service& io_service::work::get_io_service() | |
142 | { | |
143 | return io_service_impl_.get_io_service(); | |
144 | } | |
145 | ||
146 | inline boost::asio::io_service& io_service::service::get_io_service() | |
147 | { | |
148 | return owner_; | |
149 | } | |
150 | ||
151 | } // namespace asio | |
152 | } // namespace boost | |
153 | ||
154 | #include <boost/asio/detail/pop_options.hpp> | |
155 | ||
156 | #endif // BOOST_ASIO_IMPL_IO_SERVICE_HPP |