1//
2// signal_set.hpp
3// ~~~~~~~~~~~~~~
4//
5// Copyright (c) 2003-2015 Christopher M. Kohlhoff (chris at kohlhoff dot com)
6//
7// Distributed under the Boost Software License, Version 1.0. (See accompanying
8// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
9//
10
11#ifndef BOOST_ASIO_SIGNAL_SET_HPP
12#define BOOST_ASIO_SIGNAL_SET_HPP
13
14#if defined(_MSC_VER) && (_MSC_VER >= 1200)
15# pragma once
16#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
17
18#include <boost/asio/detail/config.hpp>
19#include <boost/asio/basic_signal_set.hpp>
20
21namespace boost {
22namespace asio {
23
24/// Typedef for the typical usage of a signal set.
25typedef basic_signal_set<> signal_set;
26
27} // namespace asio
28} // namespace boost
29
30#endif // BOOST_ASIO_SIGNAL_SET_HPP
31

source code of boost/boost/asio/signal_set.hpp