You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
107 lines
3.0 KiB
107 lines
3.0 KiB
// |
|
// impl/execution_context.hpp |
|
// ~~~~~~~~~~~~~~~~~~~~~~~~~~ |
|
// |
|
// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
|
// |
|
// Distributed under the Boost Software License, Version 1.0. (See accompanying |
|
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
|
// |
|
|
|
#ifndef ASIO_IMPL_EXECUTION_CONTEXT_HPP |
|
#define ASIO_IMPL_EXECUTION_CONTEXT_HPP |
|
|
|
#if defined(_MSC_VER) && (_MSC_VER >= 1200) |
|
# pragma once |
|
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
|
|
|
#include "asio/detail/handler_type_requirements.hpp" |
|
#include "asio/detail/scoped_ptr.hpp" |
|
#include "asio/detail/service_registry.hpp" |
|
|
|
#include "asio/detail/push_options.hpp" |
|
|
|
namespace asio { |
|
|
|
template <typename Service> |
|
inline Service& use_service(execution_context& e) |
|
{ |
|
// Check that Service meets the necessary type requirements. |
|
(void)static_cast<execution_context::service*>(static_cast<Service*>(0)); |
|
|
|
return e.service_registry_->template use_service<Service>(); |
|
} |
|
|
|
#if !defined(GENERATING_DOCUMENTATION) |
|
# if defined(ASIO_HAS_VARIADIC_TEMPLATES) |
|
|
|
template <typename Service, typename... Args> |
|
Service& make_service(execution_context& e, ASIO_MOVE_ARG(Args)... args) |
|
{ |
|
detail::scoped_ptr<Service> svc( |
|
new Service(e, ASIO_MOVE_CAST(Args)(args)...)); |
|
e.service_registry_->template add_service<Service>(svc.get()); |
|
Service& result = *svc; |
|
svc.release(); |
|
return result; |
|
} |
|
|
|
# else // defined(ASIO_HAS_VARIADIC_TEMPLATES) |
|
|
|
template <typename Service> |
|
Service& make_service(execution_context& e) |
|
{ |
|
detail::scoped_ptr<Service> svc(new Service(e)); |
|
e.service_registry_->template add_service<Service>(svc.get()); |
|
Service& result = *svc; |
|
svc.release(); |
|
return result; |
|
} |
|
|
|
#define ASIO_PRIVATE_MAKE_SERVICE_DEF(n) \ |
|
template <typename Service, ASIO_VARIADIC_TPARAMS(n)> \ |
|
Service& make_service(execution_context& e, \ |
|
ASIO_VARIADIC_MOVE_PARAMS(n)) \ |
|
{ \ |
|
detail::scoped_ptr<Service> svc( \ |
|
new Service(e, ASIO_VARIADIC_MOVE_ARGS(n))); \ |
|
e.service_registry_->template add_service<Service>(svc.get()); \ |
|
Service& result = *svc; \ |
|
svc.release(); \ |
|
return result; \ |
|
} \ |
|
/**/ |
|
ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_MAKE_SERVICE_DEF) |
|
#undef ASIO_PRIVATE_MAKE_SERVICE_DEF |
|
|
|
# endif // defined(ASIO_HAS_VARIADIC_TEMPLATES) |
|
#endif // !defined(GENERATING_DOCUMENTATION) |
|
|
|
template <typename Service> |
|
inline void add_service(execution_context& e, Service* svc) |
|
{ |
|
// Check that Service meets the necessary type requirements. |
|
(void)static_cast<execution_context::service*>(static_cast<Service*>(0)); |
|
|
|
e.service_registry_->template add_service<Service>(svc); |
|
} |
|
|
|
template <typename Service> |
|
inline bool has_service(execution_context& e) |
|
{ |
|
// Check that Service meets the necessary type requirements. |
|
(void)static_cast<execution_context::service*>(static_cast<Service*>(0)); |
|
|
|
return e.service_registry_->template has_service<Service>(); |
|
} |
|
|
|
inline execution_context& execution_context::service::context() |
|
{ |
|
return owner_; |
|
} |
|
|
|
} // namespace asio |
|
|
|
#include "asio/detail/pop_options.hpp" |
|
|
|
#endif // ASIO_IMPL_EXECUTION_CONTEXT_HPP
|
|
|