execution: PASS
main: attempt pthread_rwlock_tryrdlock
main: acquired read lock
main: create rd_thread1
rd_thread1: attempt pthread_rwlock_tryrdlock
rd_thread1: acquired read lock
rd_thread1: unlock read lock
main: unlock read lock
main: attempt write lock
main: acquired write lock
main: create rd_thread2
rd_thread2: attempt pthread_rwlock_tryrdlock
rd_thread2: Correctly got EBUSY
main: unlock write lock
Test PASSED