# Send the data present in the socket buffer
	fun flush
	do
		if not native.setsockopt(new NativeSocketOptLevels.tcp, new NativeSocketOptNames.tcp_nodelay, 1) or
		   not native.setsockopt(new NativeSocketOptLevels.tcp, new NativeSocketOptNames.tcp_nodelay, 0) then
			closed = true
		end
	end