execution: FAILED
main: write lock
main: create writer1, with priority: 2
writer1: attempt write lock
main: create reader, with priority: 2
reader: attempt read lock
main: create writer2, with priority: 0
writer2: attempt write lock
main: release write lock
writer1: acquired write lock
writer1: unlock write lock
writer2: acquired writer lock
Test failed: reader did not get the lock when writer1 release the lock