1 | // |
---|---|
2 | // impl/execution_context.hpp |
3 | // ~~~~~~~~~~~~~~~~~~~~~~~~~~ |
4 | // |
5 | // Copyright (c) 2003-2024 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_EXECUTION_CONTEXT_HPP |
12 | #define BOOST_ASIO_IMPL_EXECUTION_CONTEXT_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/scoped_ptr.hpp> |
20 | #include <boost/asio/detail/service_registry.hpp> |
21 | |
22 | #include <boost/asio/detail/push_options.hpp> |
23 | |
24 | namespace boost { |
25 | namespace asio { |
26 | |
27 | #if !defined(GENERATING_DOCUMENTATION) |
28 | |
29 | template <typename Service> |
30 | inline Service& use_service(execution_context& e) |
31 | { |
32 | // Check that Service meets the necessary type requirements. |
33 | (void)static_cast<execution_context::service*>(static_cast<Service*>(0)); |
34 | |
35 | return e.service_registry_->template use_service<Service>(); |
36 | } |
37 | |
38 | template <typename Service, typename... Args> |
39 | Service& make_service(execution_context& e, Args&&... args) |
40 | { |
41 | detail::scoped_ptr<Service> svc( |
42 | new Service(e, static_cast<Args&&>(args)...)); |
43 | e.service_registry_->template add_service<Service>(svc.get()); |
44 | Service& result = *svc; |
45 | svc.release(); |
46 | return result; |
47 | } |
48 | |
49 | template <typename Service> |
50 | inline void add_service(execution_context& e, Service* svc) |
51 | { |
52 | // Check that Service meets the necessary type requirements. |
53 | (void)static_cast<execution_context::service*>(static_cast<Service*>(0)); |
54 | |
55 | e.service_registry_->template add_service<Service>(svc); |
56 | } |
57 | |
58 | template <typename Service> |
59 | inline bool has_service(execution_context& e) |
60 | { |
61 | // Check that Service meets the necessary type requirements. |
62 | (void)static_cast<execution_context::service*>(static_cast<Service*>(0)); |
63 | |
64 | return e.service_registry_->template has_service<Service>(); |
65 | } |
66 | |
67 | #endif // !defined(GENERATING_DOCUMENTATION) |
68 | |
69 | inline execution_context& execution_context::service::context() |
70 | { |
71 | return owner_; |
72 | } |
73 | |
74 | } // namespace asio |
75 | } // namespace boost |
76 | |
77 | #include <boost/asio/detail/pop_options.hpp> |
78 | |
79 | #endif // BOOST_ASIO_IMPL_EXECUTION_CONTEXT_HPP |
80 |