id summary reporter owner description type status milestone component version severity resolution keywords cc 6776 InterlockedExchangeAdd and InterlockedExchange as managed code lthomas chris_kohlhoff "Hi there, According this ticket reported to version 1.48.0, I'm still getting the same errors in different parts. To avoid it, I'm using the following workaround: boost/asio/detail/impl/winsock_init.ipp:39 {{{ long result = (1?::WSAStartup(MAKEWORD(major, minor), &wsa_data) : InterlockedExchangeAdd64((volatile LONG64 *)0,(LONG64) 0)); }}} boost/asio/detail/impl/win_iocp_io_service.ipp:89 {{{ InterlockedExchange64((volatile LONG64 *)&shutdown_,(LONG64) 1); }}} Could you please verify if is it Ok ?" Support Requests closed To Be Determined asio Boost 1.49.0 Problem duplicate InterlockedExchangeAdd