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//
// signal_set_service.hpp
// ~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2014 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_SIGNAL_SET_SERVICE_HPP
#define BOOST_ASIO_SIGNAL_SET_SERVICE_HPP
#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/async_result.hpp>
#include <boost/asio/detail/signal_set_service.hpp>
#include <boost/asio/error.hpp>
#include <boost/asio/io_service.hpp>
#include <boost/asio/detail/push_options.hpp>
namespace boost {
namespace asio {
/// Default service implementation for a signal set.
class signal_set_service
#if defined(GENERATING_DOCUMENTATION)
: public boost::asio::io_service::service
#else
: public boost::asio::detail::service_base<signal_set_service>
#endif
{
public:
#if defined(GENERATING_DOCUMENTATION)
/// The unique service identifier.
static boost::asio::io_service::id id;
#endif
public:
/// The type of a signal set implementation.
#if defined(GENERATING_DOCUMENTATION)
typedef implementation_defined implementation_type;
#else
typedef detail::signal_set_service::implementation_type implementation_type;
#endif
/// Construct a new signal set service for the specified io_service.
explicit signal_set_service(boost::asio::io_service& io_service)
: boost::asio::detail::service_base<signal_set_service>(io_service),
service_impl_(io_service)
{
}
/// Construct a new signal set implementation.
void construct(implementation_type& impl)
{
service_impl_.construct(impl);
}
/// Destroy a signal set implementation.
void destroy(implementation_type& impl)
{
service_impl_.destroy(impl);
}
/// Add a signal to a signal_set.
boost::system::error_code add(implementation_type& impl,
int signal_number, boost::system::error_code& ec)
{
return service_impl_.add(impl, signal_number, ec);
}
/// Remove a signal to a signal_set.
boost::system::error_code remove(implementation_type& impl,
int signal_number, boost::system::error_code& ec)
{
return service_impl_.remove(impl, signal_number, ec);
}
/// Remove all signals from a signal_set.
boost::system::error_code clear(implementation_type& impl,
boost::system::error_code& ec)
{
return service_impl_.clear(impl, ec);
}
/// Cancel all operations associated with the signal set.
boost::system::error_code cancel(implementation_type& impl,
boost::system::error_code& ec)
{
return service_impl_.cancel(impl, ec);
}
// Start an asynchronous operation to wait for a signal to be delivered.
template <typename SignalHandler>
BOOST_ASIO_INITFN_RESULT_TYPE(SignalHandler,
void (boost::system::error_code, int))
async_wait(implementation_type& impl,
BOOST_ASIO_MOVE_ARG(SignalHandler) handler)
{
detail::async_result_init<
SignalHandler, void (boost::system::error_code, int)> init(
BOOST_ASIO_MOVE_CAST(SignalHandler)(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();
}
// Perform any fork-related housekeeping.
void fork_service(boost::asio::io_service::fork_event event)
{
service_impl_.fork_service(event);
}
// The platform-specific implementation.
detail::signal_set_service service_impl_;
};
} // namespace asio
} // namespace boost
#include <boost/asio/detail/pop_options.hpp>
#endif // BOOST_ASIO_SIGNAL_SET_SERVICE_HPP
|
Swift