/Src/Dependencies/Boost/boost/asio/detail/impl/winsock_init.ipp

 1//
 2// detail/impl/winsock_init.ipp
 3// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 4//
 5// Copyright (c) 2003-2011 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_IMPL_WINSOCK_INIT_IPP
12#define BOOST_ASIO_DETAIL_IMPL_WINSOCK_INIT_IPP
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
20#if defined(BOOST_WINDOWS) || defined(__CYGWIN__)
21
22#include <boost/asio/detail/socket_types.hpp>
23#include <boost/asio/detail/winsock_init.hpp>
24#include <boost/asio/detail/throw_error.hpp>
25#include <boost/asio/error.hpp>
26
27#include <boost/asio/detail/push_options.hpp>
28
29namespace boost {
30namespace asio {
31namespace detail {
32
33void winsock_init_base::startup(data& d,
34    unsigned char major, unsigned char minor)
35{
36  if (::InterlockedIncrement(&d.init_count_) == 1)
37  {
38    WSADATA wsa_data;
39    long result = ::WSAStartup(MAKEWORD(major, minor), &wsa_data);
40    ::InterlockedExchange(&d.result_, result);
41  }
42}
43
44void winsock_init_base::cleanup(data& d)
45{
46  if (::InterlockedDecrement(&d.init_count_) == 0)
47  {
48    ::WSACleanup();
49  }
50}
51
52void winsock_init_base::throw_on_error(data& d)
53{
54  long result = ::InterlockedExchangeAdd(&d.result_, 0);
55  if (result != 0)
56  {
57    boost::system::error_code ec(result,
58        boost::asio::error::get_system_category());
59    boost::asio::detail::throw_error(ec, "winsock");
60  }
61}
62
63} // namespace detail
64} // namespace asio
65} // namespace boost
66
67#include <boost/asio/detail/pop_options.hpp>
68
69#endif // defined(BOOST_WINDOWS) || defined(__CYGWIN__)
70
71#endif // BOOST_ASIO_DETAIL_IMPL_WINSOCK_INIT_IPP