1//
2// detail/signal_op.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_DETAIL_SIGNAL_OP_HPP
12#define BOOST_ASIO_DETAIL_SIGNAL_OP_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/detail/operation.hpp>
20
21#include <boost/asio/detail/push_options.hpp>
22
23namespace boost {
24namespace asio {
25namespace detail {
26
27class signal_op
28 : public operation
29{
30public:
31 // The error code to be passed to the completion handler.
32 boost::system::error_code ec_;
33
34 // The signal number to be passed to the completion handler.
35 int signal_number_;
36
37protected:
38 signal_op(func_type func)
39 : operation(func),
40 signal_number_(0)
41 {
42 }
43};
44
45} // namespace detail
46} // namespace asio
47} // namespace boost
48
49#include <boost/asio/detail/pop_options.hpp>
50
51#endif // BOOST_ASIO_DETAIL_SIGNAL_OP_HPP
52

source code of boost/boost/asio/detail/signal_op.hpp