]>
Commit | Line | Data |
---|---|---|
7c673cae FG |
1 | // |
2 | // signal_set_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_SIGNAL_SET_SERVICE_HPP | |
12 | #define BOOST_ASIO_SIGNAL_SET_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/config.hpp> | |
19 | #include <boost/asio/async_result.hpp> | |
20 | #include <boost/asio/detail/signal_set_service.hpp> | |
21 | #include <boost/asio/error.hpp> | |
22 | #include <boost/asio/io_service.hpp> | |
23 | ||
24 | #include <boost/asio/detail/push_options.hpp> | |
25 | ||
26 | namespace boost { | |
27 | namespace asio { | |
28 | ||
29 | /// Default service implementation for a signal set. | |
30 | class signal_set_service | |
31 | #if defined(GENERATING_DOCUMENTATION) | |
32 | : public boost::asio::io_service::service | |
33 | #else | |
34 | : public boost::asio::detail::service_base<signal_set_service> | |
35 | #endif | |
36 | { | |
37 | public: | |
38 | #if defined(GENERATING_DOCUMENTATION) | |
39 | /// The unique service identifier. | |
40 | static boost::asio::io_service::id id; | |
41 | #endif | |
42 | ||
43 | public: | |
44 | /// The type of a signal set implementation. | |
45 | #if defined(GENERATING_DOCUMENTATION) | |
46 | typedef implementation_defined implementation_type; | |
47 | #else | |
48 | typedef detail::signal_set_service::implementation_type implementation_type; | |
49 | #endif | |
50 | ||
51 | /// Construct a new signal set service for the specified io_service. | |
52 | explicit signal_set_service(boost::asio::io_service& io_service) | |
53 | : boost::asio::detail::service_base<signal_set_service>(io_service), | |
54 | service_impl_(io_service) | |
55 | { | |
56 | } | |
57 | ||
58 | /// Construct a new signal set implementation. | |
59 | void construct(implementation_type& impl) | |
60 | { | |
61 | service_impl_.construct(impl); | |
62 | } | |
63 | ||
64 | /// Destroy a signal set implementation. | |
65 | void destroy(implementation_type& impl) | |
66 | { | |
67 | service_impl_.destroy(impl); | |
68 | } | |
69 | ||
70 | /// Add a signal to a signal_set. | |
71 | boost::system::error_code add(implementation_type& impl, | |
72 | int signal_number, boost::system::error_code& ec) | |
73 | { | |
74 | return service_impl_.add(impl, signal_number, ec); | |
75 | } | |
76 | ||
77 | /// Remove a signal to a signal_set. | |
78 | boost::system::error_code remove(implementation_type& impl, | |
79 | int signal_number, boost::system::error_code& ec) | |
80 | { | |
81 | return service_impl_.remove(impl, signal_number, ec); | |
82 | } | |
83 | ||
84 | /// Remove all signals from a signal_set. | |
85 | boost::system::error_code clear(implementation_type& impl, | |
86 | boost::system::error_code& ec) | |
87 | { | |
88 | return service_impl_.clear(impl, ec); | |
89 | } | |
90 | ||
91 | /// Cancel all operations associated with the signal set. | |
92 | boost::system::error_code cancel(implementation_type& impl, | |
93 | boost::system::error_code& ec) | |
94 | { | |
95 | return service_impl_.cancel(impl, ec); | |
96 | } | |
97 | ||
98 | // Start an asynchronous operation to wait for a signal to be delivered. | |
99 | template <typename SignalHandler> | |
100 | BOOST_ASIO_INITFN_RESULT_TYPE(SignalHandler, | |
101 | void (boost::system::error_code, int)) | |
102 | async_wait(implementation_type& impl, | |
103 | BOOST_ASIO_MOVE_ARG(SignalHandler) handler) | |
104 | { | |
105 | detail::async_result_init< | |
106 | SignalHandler, void (boost::system::error_code, int)> init( | |
107 | BOOST_ASIO_MOVE_CAST(SignalHandler)(handler)); | |
108 | ||
109 | service_impl_.async_wait(impl, init.handler); | |
110 | ||
111 | return init.result.get(); | |
112 | } | |
113 | ||
114 | private: | |
115 | // Destroy all user-defined handler objects owned by the service. | |
116 | void shutdown_service() | |
117 | { | |
118 | service_impl_.shutdown_service(); | |
119 | } | |
120 | ||
121 | // Perform any fork-related housekeeping. | |
122 | void fork_service(boost::asio::io_service::fork_event event) | |
123 | { | |
124 | service_impl_.fork_service(event); | |
125 | } | |
126 | ||
127 | // The platform-specific implementation. | |
128 | detail::signal_set_service service_impl_; | |
129 | }; | |
130 | ||
131 | } // namespace asio | |
132 | } // namespace boost | |
133 | ||
134 | #include <boost/asio/detail/pop_options.hpp> | |
135 | ||
136 | #endif // BOOST_ASIO_SIGNAL_SET_SERVICE_HPP |