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//
// detail/impl/winsock_init.ipp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2010 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_DETAIL_IMPL_WINSOCK_INIT_IPP
#define BOOST_ASIO_DETAIL_IMPL_WINSOCK_INIT_IPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include <boost/asio/detail/config.hpp>
#if defined(BOOST_WINDOWS) || defined(__CYGWIN__)
#include <boost/asio/detail/socket_types.hpp>
#include <boost/asio/detail/winsock_init.hpp>
#include <boost/asio/detail/throw_error.hpp>
#include <boost/asio/error.hpp>
#include <boost/asio/detail/push_options.hpp>
namespace boost {
namespace asio {
namespace detail {
void winsock_init_base::startup(data& d,
unsigned char major, unsigned char minor)
{
if (::InterlockedIncrement(&d.init_count_) == 1)
{
WSADATA wsa_data;
long result = ::WSAStartup(MAKEWORD(major, minor), &wsa_data);
::InterlockedExchange(&d.result_, result);
}
}
void winsock_init_base::cleanup(data& d)
{
if (::InterlockedDecrement(&d.init_count_) == 0)
{
::WSACleanup();
}
}
void winsock_init_base::throw_on_error(data& d)
{
long result = ::InterlockedExchangeAdd(&d.result_, 0);
if (result != 0)
{
boost::system::error_code ec(result,
boost::asio::error::get_system_category());
boost::asio::detail::throw_error(ec, "winsock");
}
}
} // namespace detail
} // namespace asio
} // namespace boost
#include <boost/asio/detail/pop_options.hpp>
#endif // defined(BOOST_WINDOWS) || defined(__CYGWIN__)
#endif // BOOST_ASIO_DETAIL_IMPL_WINSOCK_INIT_IPP
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