MAX_WAIT_COUNTS
if (++cnt > MAX_WAIT_COUNTS) {
for (i = 0; i < MAX_WAIT_COUNTS; i++) {
if (i == MAX_WAIT_COUNTS) {
for (i = 0; i < MAX_WAIT_COUNTS; i++) {
for (i = 0; i < MAX_WAIT_COUNTS; i++) {