69 lines
1.2 KiB
C++
69 lines
1.2 KiB
C++
//
|
|
// null_event.hpp
|
|
// ~~~~~~~~~~~~~~
|
|
//
|
|
// Copyright (c) 2003-2006 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_DETAIL_NULL_EVENT_HPP
|
|
#define ASIO_DETAIL_NULL_EVENT_HPP
|
|
|
|
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
|
|
# pragma once
|
|
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
|
|
|
|
#include "asio/detail/push_options.hpp"
|
|
|
|
#include "asio/detail/push_options.hpp"
|
|
#include <boost/config.hpp>
|
|
#include "asio/detail/pop_options.hpp"
|
|
|
|
#if !defined(BOOST_HAS_THREADS)
|
|
|
|
#include "asio/detail/noncopyable.hpp"
|
|
|
|
namespace asio {
|
|
namespace detail {
|
|
|
|
class null_event
|
|
: private noncopyable
|
|
{
|
|
public:
|
|
// Constructor.
|
|
null_event()
|
|
{
|
|
}
|
|
|
|
// Destructor.
|
|
~null_event()
|
|
{
|
|
}
|
|
|
|
// Signal the event.
|
|
void signal()
|
|
{
|
|
}
|
|
|
|
// Reset the event.
|
|
void clear()
|
|
{
|
|
}
|
|
|
|
// Wait for the event to become signalled.
|
|
void wait()
|
|
{
|
|
}
|
|
};
|
|
|
|
} // namespace detail
|
|
} // namespace asio
|
|
|
|
#endif // !defined(BOOST_HAS_THREADS)
|
|
|
|
#include "asio/detail/pop_options.hpp"
|
|
|
|
#endif // ASIO_DETAIL_NULL_EVENT_HPP
|