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//
// windows/object_handle_service.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2015 Christopher M. Kohlhoff (chris at kohlhoff dot com)
// Copyright (c) 2011 Boris Schaeling (boris@highscore.de)
//
// 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_WINDOWS_OBJECT_HANDLE_SERVICE_HPP
#define BOOST_ASIO_WINDOWS_OBJECT_HANDLE_SERVICE_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include <boost/asio/detail/config.hpp>
#if defined(BOOST_ASIO_HAS_WINDOWS_OBJECT_HANDLE) \
|| defined(GENERATING_DOCUMENTATION)
#include <boost/asio/async_result.hpp>
#include <boost/asio/detail/win_object_handle_service.hpp>
#include <boost/asio/error.hpp>
#include <boost/asio/io_service.hpp>
#include <boost/asio/detail/push_options.hpp>
namespace boost {
namespace asio {
namespace windows {
/// Default service implementation for an object handle.
class object_handle_service
#if defined(GENERATING_DOCUMENTATION)
: public boost::asio::io_service::service
#else
: public boost::asio::detail::service_base<object_handle_service>
#endif
{
public:
#if defined(GENERATING_DOCUMENTATION)
/// The unique service identifier.
static boost::asio::io_service::id id;
#endif
private:
// The type of the platform-specific implementation.
typedef detail::win_object_handle_service service_impl_type;
public:
/// The type of an object handle implementation.
#if defined(GENERATING_DOCUMENTATION)
typedef implementation_defined implementation_type;
#else
typedef service_impl_type::implementation_type implementation_type;
#endif
/// The native handle type.
#if defined(GENERATING_DOCUMENTATION)
typedef implementation_defined native_handle_type;
#else
typedef service_impl_type::native_handle_type native_handle_type;
#endif
/// Construct a new object handle service for the specified io_service.
explicit object_handle_service(boost::asio::io_service& io_service)
: boost::asio::detail::service_base<object_handle_service>(io_service),
service_impl_(io_service)
{
}
/// Construct a new object handle implementation.
void construct(implementation_type& impl)
{
service_impl_.construct(impl);
}
#if defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
/// Move-construct a new object handle implementation.
void move_construct(implementation_type& impl,
implementation_type& other_impl)
{
service_impl_.move_construct(impl, other_impl);
}
/// Move-assign from another object handle implementation.
void move_assign(implementation_type& impl,
object_handle_service& other_service,
implementation_type& other_impl)
{
service_impl_.move_assign(impl, other_service.service_impl_, other_impl);
}
#endif // defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
/// Destroy an object handle implementation.
void destroy(implementation_type& impl)
{
service_impl_.destroy(impl);
}
/// Assign an existing native handle to an object handle.
boost::system::error_code assign(implementation_type& impl,
const native_handle_type& handle, boost::system::error_code& ec)
{
return service_impl_.assign(impl, handle, ec);
}
/// Determine whether the handle is open.
bool is_open(const implementation_type& impl) const
{
return service_impl_.is_open(impl);
}
/// Close an object handle implementation.
boost::system::error_code close(implementation_type& impl,
boost::system::error_code& ec)
{
return service_impl_.close(impl, ec);
}
/// Get the native handle implementation.
native_handle_type native_handle(implementation_type& impl)
{
return service_impl_.native_handle(impl);
}
/// Cancel all asynchronous operations associated with the handle.
boost::system::error_code cancel(implementation_type& impl,
boost::system::error_code& ec)
{
return service_impl_.cancel(impl, ec);
}
// Wait for a signaled state.
void wait(implementation_type& impl, boost::system::error_code& ec)
{
service_impl_.wait(impl, ec);
}
/// Start an asynchronous wait.
template <typename WaitHandler>
BOOST_ASIO_INITFN_RESULT_TYPE(WaitHandler,
void (boost::system::error_code))
async_wait(implementation_type& impl,
BOOST_ASIO_MOVE_ARG(WaitHandler) handler)
{
boost::asio::detail::async_result_init<
WaitHandler, void (boost::system::error_code)> init(
BOOST_ASIO_MOVE_CAST(WaitHandler)(handler));
service_impl_.async_wait(impl, init.handler);
return init.result.get();
}
private:
// Destroy all user-defined handler objects owned by the service.
void shutdown_service()
{
service_impl_.shutdown_service();
}
// The platform-specific implementation.
service_impl_type service_impl_;
};
} // namespace windows
} // namespace asio
} // namespace boost
#include <boost/asio/detail/pop_options.hpp>
#endif // defined(BOOST_ASIO_HAS_WINDOWS_OBJECT_HANDLE)
// || defined(GENERATING_DOCUMENTATION)
#endif // BOOST_ASIO_WINDOWS_OBJECT_HANDLE_SERVICE_HPP
|
