Locking mutex ...
Locking rwlock exclusively ...
Locking rwlock shared ...
Acquired at:
   at 0x........: pthread_rwlock_rdlock (drd_pthread_intercepts.c:?)
   by 0x........: main (hold_lock.c:?)
Lock on rwlock 0x........ was held during ... ms (threshold: 500 ms).
   at 0x........: pthread_rwlock_unlock (drd_pthread_intercepts.c:?)
   by 0x........: main (hold_lock.c:?)
rwlock 0x........ was first observed at:
   at 0x........: pthread_rwlock_init (drd_pthread_intercepts.c:?)
   by 0x........: main (hold_lock.c:?)

Done.

ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)