rem: g_io_add_watch (conn->chan, G_IO_IN, server_cb, conn);
add: conn->conn_id = g_io_add_watch (conn->chan, G_IO_IN, server_cb, conn);
context: setup_connection (BaconMessageConnection *conn){	conn->chan = g_io_channel_unix_new (conn->fd);	if (!conn->chan) {		return FALSE;	}	g_io_channel_set_line_term (conn->chan, "\n", 1);	g_io_add_watch (conn->chan, G_IO_IN, server_cb, conn);	return TRUE;}