since_ss = mtime_since(&last_ss, &now);
if (since_ss >= STEADYSTATE_MSEC || STEADYSTATE_MSEC - since_ss < 10) {
steadystate_check();
since_ss = mtime_since(&last_ss, &now);
if (since_ss >= STEADYSTATE_MSEC || STEADYSTATE_MSEC - since_ss < 10) {
steadystate_check();