wait_for_activity
wait_for_activity(ssl);
wait_for_activity(ssl);
wait_for_activity(listener);
wait_for_activity(ssl, 0);
wait_for_activity(ssl, 1);
ret = wait_for_activity(listener);
if (wait_for_activity(listener) == 0) {
ret = wait_for_activity(newssl);
wait_for_activity(ssl);