83 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			83 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C++
		
	
	
	
| //
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| // detail/impl/winsock_init.ipp
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| // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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| //
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| // Copyright (c) 2003-2023 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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| //
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| // Distributed under the Boost Software License, Version 1.0. (See accompanying
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| // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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| //
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| 
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| #ifndef ASIO_DETAIL_IMPL_WINSOCK_INIT_IPP
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| #define ASIO_DETAIL_IMPL_WINSOCK_INIT_IPP
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| 
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| #if defined(_MSC_VER) && (_MSC_VER >= 1200)
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| # pragma once
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| #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
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| 
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| #include "asio/detail/config.hpp"
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| 
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| #if defined(ASIO_WINDOWS) || defined(__CYGWIN__)
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| 
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| #include "asio/detail/socket_types.hpp"
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| #include "asio/detail/winsock_init.hpp"
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| #include "asio/detail/throw_error.hpp"
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| #include "asio/error.hpp"
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| 
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| #include "asio/detail/push_options.hpp"
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| 
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| namespace asio {
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| namespace detail {
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| 
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| void winsock_init_base::startup(data& d,
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|     unsigned char major, unsigned char minor)
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| {
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|   if (::InterlockedIncrement(&d.init_count_) == 1)
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|   {
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|     WSADATA wsa_data;
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|     long result = ::WSAStartup(MAKEWORD(major, minor), &wsa_data);
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|     ::InterlockedExchange(&d.result_, result);
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|   }
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| }
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| 
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| void winsock_init_base::manual_startup(data& d)
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| {
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|   if (::InterlockedIncrement(&d.init_count_) == 1)
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|   {
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|     ::InterlockedExchange(&d.result_, 0);
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|   }
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| }
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| 
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| void winsock_init_base::cleanup(data& d)
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| {
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|   if (::InterlockedDecrement(&d.init_count_) == 0)
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|   {
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|     ::WSACleanup();
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|   }
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| }
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| 
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| void winsock_init_base::manual_cleanup(data& d)
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| {
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|   ::InterlockedDecrement(&d.init_count_);
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| }
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| 
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| void winsock_init_base::throw_on_error(data& d)
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| {
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|   long result = ::InterlockedExchangeAdd(&d.result_, 0);
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|   if (result != 0)
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|   {
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|     asio::error_code ec(result,
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|         asio::error::get_system_category());
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|     asio::detail::throw_error(ec, "winsock");
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|   }
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| }
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| 
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| } // namespace detail
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| } // namespace asio
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| 
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| #include "asio/detail/pop_options.hpp"
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| 
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| #endif // defined(ASIO_WINDOWS) || defined(__CYGWIN__)
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| 
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| #endif // ASIO_DETAIL_IMPL_WINSOCK_INIT_IPP
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