1 | // |
2 | // windows/object_handle_service.hpp |
3 | // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
4 | // |
5 | // Copyright (c) 2003-2015 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
6 | // Copyright (c) 2011 Boris Schaeling (boris@highscore.de) |
7 | // |
8 | // Distributed under the Boost Software License, Version 1.0. (See accompanying |
9 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
10 | // |
11 | |
12 | #ifndef BOOST_ASIO_WINDOWS_OBJECT_HANDLE_SERVICE_HPP |
13 | #define BOOST_ASIO_WINDOWS_OBJECT_HANDLE_SERVICE_HPP |
14 | |
15 | #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
16 | # pragma once |
17 | #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
18 | |
19 | #include <boost/asio/detail/config.hpp> |
20 | |
21 | #if defined(BOOST_ASIO_HAS_WINDOWS_OBJECT_HANDLE) \ |
22 | || defined(GENERATING_DOCUMENTATION) |
23 | |
24 | #include <boost/asio/async_result.hpp> |
25 | #include <boost/asio/detail/win_object_handle_service.hpp> |
26 | #include <boost/asio/error.hpp> |
27 | #include <boost/asio/io_service.hpp> |
28 | |
29 | #include <boost/asio/detail/push_options.hpp> |
30 | |
31 | namespace boost { |
32 | namespace asio { |
33 | namespace windows { |
34 | |
35 | /// Default service implementation for an object handle. |
36 | class object_handle_service |
37 | #if defined(GENERATING_DOCUMENTATION) |
38 | : public boost::asio::io_service::service |
39 | #else |
40 | : public boost::asio::detail::service_base<object_handle_service> |
41 | #endif |
42 | { |
43 | public: |
44 | #if defined(GENERATING_DOCUMENTATION) |
45 | /// The unique service identifier. |
46 | static boost::asio::io_service::id id; |
47 | #endif |
48 | |
49 | private: |
50 | // The type of the platform-specific implementation. |
51 | typedef detail::win_object_handle_service service_impl_type; |
52 | |
53 | public: |
54 | /// The type of an object handle implementation. |
55 | #if defined(GENERATING_DOCUMENTATION) |
56 | typedef implementation_defined implementation_type; |
57 | #else |
58 | typedef service_impl_type::implementation_type implementation_type; |
59 | #endif |
60 | |
61 | /// The native handle type. |
62 | #if defined(GENERATING_DOCUMENTATION) |
63 | typedef implementation_defined native_handle_type; |
64 | #else |
65 | typedef service_impl_type::native_handle_type native_handle_type; |
66 | #endif |
67 | |
68 | /// Construct a new object handle service for the specified io_service. |
69 | explicit object_handle_service(boost::asio::io_service& io_service) |
70 | : boost::asio::detail::service_base<object_handle_service>(io_service), |
71 | service_impl_(io_service) |
72 | { |
73 | } |
74 | |
75 | /// Construct a new object handle implementation. |
76 | void construct(implementation_type& impl) |
77 | { |
78 | service_impl_.construct(impl); |
79 | } |
80 | |
81 | #if defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION) |
82 | /// Move-construct a new object handle implementation. |
83 | void move_construct(implementation_type& impl, |
84 | implementation_type& other_impl) |
85 | { |
86 | service_impl_.move_construct(impl, other_impl); |
87 | } |
88 | |
89 | /// Move-assign from another object handle implementation. |
90 | void move_assign(implementation_type& impl, |
91 | object_handle_service& other_service, |
92 | implementation_type& other_impl) |
93 | { |
94 | service_impl_.move_assign(impl, other_service.service_impl_, other_impl); |
95 | } |
96 | #endif // defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION) |
97 | |
98 | /// Destroy an object handle implementation. |
99 | void destroy(implementation_type& impl) |
100 | { |
101 | service_impl_.destroy(impl); |
102 | } |
103 | |
104 | /// Assign an existing native handle to an object handle. |
105 | boost::system::error_code assign(implementation_type& impl, |
106 | const native_handle_type& handle, boost::system::error_code& ec) |
107 | { |
108 | return service_impl_.assign(impl, handle, ec); |
109 | } |
110 | |
111 | /// Determine whether the handle is open. |
112 | bool is_open(const implementation_type& impl) const |
113 | { |
114 | return service_impl_.is_open(impl); |
115 | } |
116 | |
117 | /// Close an object handle implementation. |
118 | boost::system::error_code close(implementation_type& impl, |
119 | boost::system::error_code& ec) |
120 | { |
121 | return service_impl_.close(impl, ec); |
122 | } |
123 | |
124 | /// Get the native handle implementation. |
125 | native_handle_type native_handle(implementation_type& impl) |
126 | { |
127 | return service_impl_.native_handle(impl); |
128 | } |
129 | |
130 | /// Cancel all asynchronous operations associated with the handle. |
131 | boost::system::error_code cancel(implementation_type& impl, |
132 | boost::system::error_code& ec) |
133 | { |
134 | return service_impl_.cancel(impl, ec); |
135 | } |
136 | |
137 | // Wait for a signaled state. |
138 | void wait(implementation_type& impl, boost::system::error_code& ec) |
139 | { |
140 | service_impl_.wait(impl, ec); |
141 | } |
142 | |
143 | /// Start an asynchronous wait. |
144 | template <typename WaitHandler> |
145 | BOOST_ASIO_INITFN_RESULT_TYPE(WaitHandler, |
146 | void (boost::system::error_code)) |
147 | async_wait(implementation_type& impl, |
148 | BOOST_ASIO_MOVE_ARG(WaitHandler) handler) |
149 | { |
150 | boost::asio::detail::async_result_init< |
151 | WaitHandler, void (boost::system::error_code)> init( |
152 | BOOST_ASIO_MOVE_CAST(WaitHandler)(handler)); |
153 | |
154 | service_impl_.async_wait(impl, init.handler); |
155 | |
156 | return init.result.get(); |
157 | } |
158 | |
159 | private: |
160 | // Destroy all user-defined handler objects owned by the service. |
161 | void shutdown_service() |
162 | { |
163 | service_impl_.shutdown_service(); |
164 | } |
165 | |
166 | // The platform-specific implementation. |
167 | service_impl_type service_impl_; |
168 | }; |
169 | |
170 | } // namespace windows |
171 | } // namespace asio |
172 | } // namespace boost |
173 | |
174 | #include <boost/asio/detail/pop_options.hpp> |
175 | |
176 | #endif // defined(BOOST_ASIO_HAS_WINDOWS_OBJECT_HANDLE) |
177 | // || defined(GENERATING_DOCUMENTATION) |
178 | |
179 | #endif // BOOST_ASIO_WINDOWS_OBJECT_HANDLE_SERVICE_HPP |
180 | |