| // |
| // detail/impl/winsock_init.ipp |
| // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| // |
| // Copyright (c) 2003-2016 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_IMPL_WINSOCK_INIT_IPP |
| #define ASIO_DETAIL_IMPL_WINSOCK_INIT_IPP |
| |
| #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
| # pragma once |
| #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
| |
| #include "asio/detail/config.hpp" |
| |
| #if defined(ASIO_WINDOWS) || defined(__CYGWIN__) |
| |
| #include "asio/detail/socket_types.hpp" |
| #include "asio/detail/winsock_init.hpp" |
| #include "asio/detail/throw_error.hpp" |
| #include "asio/error.hpp" |
| |
| #include "asio/detail/push_options.hpp" |
| |
| 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::manual_startup(data& d) |
| { |
| if (::InterlockedIncrement(&d.init_count_) == 1) |
| { |
| ::InterlockedExchange(&d.result_, 0); |
| } |
| } |
| |
| void winsock_init_base::cleanup(data& d) |
| { |
| if (::InterlockedDecrement(&d.init_count_) == 0) |
| { |
| ::WSACleanup(); |
| } |
| } |
| |
| void winsock_init_base::manual_cleanup(data& d) |
| { |
| ::InterlockedDecrement(&d.init_count_); |
| } |
| |
| void winsock_init_base::throw_on_error(data& d) |
| { |
| long result = ::InterlockedExchangeAdd(&d.result_, 0); |
| if (result != 0) |
| { |
| asio::error_code ec(result, |
| asio::error::get_system_category()); |
| asio::detail::throw_error(ec, "winsock"); |
| } |
| } |
| |
| } // namespace detail |
| } // namespace asio |
| |
| #include "asio/detail/pop_options.hpp" |
| |
| #endif // defined(ASIO_WINDOWS) || defined(__CYGWIN__) |
| |
| #endif // ASIO_DETAIL_IMPL_WINSOCK_INIT_IPP |