execution: PASS
main: attempt read lock
main: acquired read lock
main: create rd_thread1
thread: attempt timed read lock, 3 secs
thread: acquired read lock
thread: unlock read lock
main: unlock read lock
main: attempt write lock
main: acquired write lock
main: create rd_thread2
thread: attempt timed read lock, 3 secs
thread: timer expired
thread: read lock correctly timed out
main: unlock write lock
Test PASSED