/Src/Dependencies/Boost/boost/asio/detail/impl/resolver_service_base.ipp
http://hadesmem.googlecode.com/ · C++ Header · 132 lines · 103 code · 20 blank · 9 comment · 7 complexity · fafadf4f963f06208a0b64b7424d62cb MD5 · raw file
- //
- // detail/impl/resolver_service_base.ipp
- // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- //
- // Copyright (c) 2003-2011 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 BOOST_ASIO_DETAIL_IMPL_RESOLVER_SERVICE_BASE_IPP
- #define BOOST_ASIO_DETAIL_IMPL_RESOLVER_SERVICE_BASE_IPP
- #if defined(_MSC_VER) && (_MSC_VER >= 1200)
- # pragma once
- #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
- #include <boost/asio/detail/config.hpp>
- #include <boost/asio/detail/resolver_service_base.hpp>
- #include <boost/asio/detail/push_options.hpp>
- namespace boost {
- namespace asio {
- namespace detail {
- class resolver_service_base::work_io_service_runner
- {
- public:
- work_io_service_runner(boost::asio::io_service& io_service)
- : io_service_(io_service) {}
- void operator()() { io_service_.run(); }
- private:
- boost::asio::io_service& io_service_;
- };
- resolver_service_base::resolver_service_base(
- boost::asio::io_service& io_service)
- : io_service_impl_(boost::asio::use_service<io_service_impl>(io_service)),
- work_io_service_(new boost::asio::io_service),
- work_io_service_impl_(boost::asio::use_service<
- io_service_impl>(*work_io_service_)),
- work_(new boost::asio::io_service::work(*work_io_service_)),
- work_thread_(0)
- {
- }
- resolver_service_base::~resolver_service_base()
- {
- shutdown_service();
- }
- void resolver_service_base::shutdown_service()
- {
- work_.reset();
- if (work_io_service_.get())
- {
- work_io_service_->stop();
- if (work_thread_.get())
- {
- work_thread_->join();
- work_thread_.reset();
- }
- work_io_service_.reset();
- }
- }
- void resolver_service_base::fork_service(
- boost::asio::io_service::fork_event fork_ev)
- {
- if (work_thread_.get())
- {
- if (fork_ev == boost::asio::io_service::fork_prepare)
- {
- work_io_service_->stop();
- work_thread_->join();
- }
- else
- {
- work_io_service_->reset();
- work_thread_.reset(new boost::asio::detail::thread(
- work_io_service_runner(*work_io_service_)));
- }
- }
- }
- void resolver_service_base::construct(
- resolver_service_base::implementation_type& impl)
- {
- impl.reset(static_cast<void*>(0), socket_ops::noop_deleter());
- }
- void resolver_service_base::destroy(
- resolver_service_base::implementation_type& impl)
- {
- BOOST_ASIO_HANDLER_OPERATION(("resolver", &impl, "cancel"));
- impl.reset();
- }
- void resolver_service_base::cancel(
- resolver_service_base::implementation_type& impl)
- {
- BOOST_ASIO_HANDLER_OPERATION(("resolver", &impl, "cancel"));
- impl.reset(static_cast<void*>(0), socket_ops::noop_deleter());
- }
- void resolver_service_base::start_resolve_op(operation* op)
- {
- start_work_thread();
- io_service_impl_.work_started();
- work_io_service_impl_.post_immediate_completion(op);
- }
- void resolver_service_base::start_work_thread()
- {
- boost::asio::detail::mutex::scoped_lock lock(mutex_);
- if (!work_thread_.get())
- {
- work_thread_.reset(new boost::asio::detail::thread(
- work_io_service_runner(*work_io_service_)));
- }
- }
- } // namespace detail
- } // namespace asio
- } // namespace boost
- #include <boost/asio/detail/pop_options.hpp>
- #endif // BOOST_ASIO_DETAIL_IMPL_RESOLVER_SERVICE_BASE_IPP