ceph/src/boost/boost/asio/detail/impl/winsock_init.ipp

   1 //
   2 // detail/impl/winsock_init.ipp
   3 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2019 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_ASIO_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
  29 namespace boost {
  30 namespace asio {
  31 namespace detail {
  32
  33 void 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
  44 void winsock_init_base::manual_startup(data& d)
  45 {
  46   if (::InterlockedIncrement(&d.init_count_) == 1)
  47   {
  48     ::InterlockedExchange(&d.result_, 0);
  49   }
  50 }
  51
  52 void winsock_init_base::cleanup(data& d)
  53 {
  54   if (::InterlockedDecrement(&d.init_count_) == 0)
  55   {
  56     ::WSACleanup();
  57   }
  58 }
  59
  60 void winsock_init_base::manual_cleanup(data& d)
  61 {
  62   ::InterlockedDecrement(&d.init_count_);
  63 }
  64
  65 void winsock_init_base::throw_on_error(data& d)
  66 {
  67   long result = ::InterlockedExchangeAdd(&d.result_, 0);
  68   if (result != 0)
  69   {
  70     boost::system::error_code ec(result,
  71         boost::asio::error::get_system_category());
  72     boost::asio::detail::throw_error(ec, "winsock");
  73   }
  74 }
  75
  76 } // namespace detail
  77 } // namespace asio
  78 } // namespace boost
  79
  80 #include <boost/asio/detail/pop_options.hpp>
  81
  82 #endif // defined(BOOST_ASIO_WINDOWS) || defined(__CYGWIN__)
  83
  84 #endif // BOOST_ASIO_DETAIL_IMPL_WINSOCK_INIT_IPP