1 2Reader-writer lock not locked by calling thread: rwlock 0x......... 3 at 0x........: pthread_rwlock_unlock (drd_pthread_intercepts.c:?) 4 by 0x........: main (tc12_rwl_trivial.c:35) 5rwlock 0x........ was first observed at: 6 at 0x........: pthread_rwlock_init (drd_pthread_intercepts.c:?) 7 by 0x........: main (tc12_rwl_trivial.c:24) 8 9 10ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0) 11