IP_TOS not supported before Windows7

This commit is contained in:
Howard Chu 2016-01-01 02:47:48 +00:00
parent 462658df4f
commit ee6f2cb71f
1 changed files with 4 additions and 1 deletions

View File

@ -160,13 +160,16 @@ PRAGMA_WARNING_DISABLE_VS(4355)
boost::bind(&connection<t_protocol_handler>::handle_read, self,
boost::asio::placeholders::error,
boost::asio::placeholders::bytes_transferred)));
#if !defined(_WIN32) || !defined(__i686)
// not supported before Windows7, too lazy for runtime check
// Just exclude for 32bit windows builds
//set ToS flag
int tos = get_tos_flag();
boost::asio::detail::socket_option::integer< IPPROTO_IP, IP_TOS >
optionTos( tos );
socket_.set_option( optionTos );
//_dbg1("Set ToS flag to " << tos);
#endif
boost::asio::ip::tcp::no_delay noDelayOption(false);
socket_.set_option(noDelayOption);