1 2Locking mutex ... 3Locking rwlock exclusively ... 4Locking rwlock shared ... 5Acquired at: 6 at 0x........: pthread_rwlock_rdlock (drd_pthread_intercepts.c:?) 7 by 0x........: main (hold_lock.c:?) 8Lock on rwlock 0x........ was held during ... ms (threshold: 500 ms). 9 at 0x........: pthread_rwlock_unlock (drd_pthread_intercepts.c:?) 10 by 0x........: main (hold_lock.c:?) 11rwlock 0x........ was first observed at: 12 at 0x........: pthread_rwlock_init (drd_pthread_intercepts.c:?) 13 by 0x........: main (hold_lock.c:?) 14 15Done. 16 17ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0) 18