1//
2// impl/io_service.hpp
3// ~~~~~~~~~~~~~~~~~~~
4//
5// Copyright (c) 2003-2015 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
23namespace boost {
24namespace asio {
25
26template <typename Service>
27inline 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
36template <>
37inline detail::io_service_impl& use_service<detail::io_service_impl>(
38 io_service& ios)
39{
40 return ios.impl_;
41}
42
43template <typename Service>
44inline 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
53template <typename Service>
54inline 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
76namespace boost {
77namespace asio {
78
79template <typename CompletionHandler>
80inline BOOST_ASIO_INITFN_RESULT_TYPE(CompletionHandler, void ())
81io_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
96template <typename CompletionHandler>
97inline BOOST_ASIO_INITFN_RESULT_TYPE(CompletionHandler, void ())
98io_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
113template <typename Handler>
114#if defined(GENERATING_DOCUMENTATION)
115unspecified
116#else
117inline detail::wrapped_handler<io_service&, Handler>
118#endif
119io_service::wrap(Handler handler)
120{
121 return detail::wrapped_handler<io_service&, Handler>(*this, handler);
122}
123
124inline 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
130inline io_service::work::work(const work& other)
131 : io_service_impl_(other.io_service_impl_)
132{
133 io_service_impl_.work_started();
134}
135
136inline io_service::work::~work()
137{
138 io_service_impl_.work_finished();
139}
140
141inline boost::asio::io_service& io_service::work::get_io_service()
142{
143 return io_service_impl_.get_io_service();
144}
145
146inline 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
157