157     CHECK_EQ(s->recursion, 0);  in MutexLock()
161     CHECK_GT(s->recursion, 0);  in MutexLock()
166   if (s->recursion == 0) {  in MutexLock()
173   s->recursion += rec;  in MutexLock()
175   if (flags()->detect_deadlocks && (s->recursion - rec) == 0) {  in MutexLock()
201   if (kCppMode && (s->recursion == 0 || s->owner_tid != thr->tid)) {  in MutexUnlock()
207     rec = all ? s->recursion : 1;  in MutexUnlock()
208     s->recursion -= rec;  in MutexUnlock()
209     if (s->recursion == 0) {  in MutexUnlock()
218   if (flags()->detect_deadlocks && s->recursion == 0 && !report_bad_unlock) {  in MutexUnlock()
252   if (flags()->detect_deadlocks && s->recursion == 0) {  in MutexReadLock()
285   if (flags()->detect_deadlocks && s->recursion == 0) {  in MutexReadUnlock()
319     CHECK_GT(s->recursion, 0);  in MutexReadOrWriteUnlock()
320     s->recursion--;  in MutexReadOrWriteUnlock()
321     if (s->recursion == 0) {  in MutexReadOrWriteUnlock()
333   if (flags()->detect_deadlocks && s->recursion == 0) {  in MutexReadOrWriteUnlock()
352   s->recursion = 0;  in MutexRepair()