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-rw-r--r--contrib/epee/include/net/abstract_tcp_server2.inl5
1 files changed, 4 insertions, 1 deletions
diff --git a/contrib/epee/include/net/abstract_tcp_server2.inl b/contrib/epee/include/net/abstract_tcp_server2.inl
index 51c6f3501..5bf65d7fd 100644
--- a/contrib/epee/include/net/abstract_tcp_server2.inl
+++ b/contrib/epee/include/net/abstract_tcp_server2.inl
@@ -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);