Function try_downgrade_lock

tests/test_read_write.py:273–279

(lock_file: str, downgrade_result: Synchronized[int])

def try_downgrade_lock(lock_file: str, downgrade_result: Synchronized[int]) -> None:
    lock = ReadWriteLock(lock_file)
    with lock.write_lock():
        try:
            lock.acquire_read()
        except RuntimeError:
            downgrade_result.value = 0


@pytest.mark.timeout(10)