Function try_illegal_transition

tests/test_read_write.py:593–602

(lock_file: str, hold_mode: Literal["read", "write"], result: Synchronized[int])

def try_illegal_transition(lock_file: str, hold_mode: Literal["read", "write"], result: Synchronized[int]) -> None:
    lock = ReadWriteLock(lock_file)
    with lock.read_lock() if hold_mode == "read" else lock.write_lock():
        try:
            if hold_mode == "read":
                lock.acquire_write()
            else:
                lock.acquire_read()
        except RuntimeError:
            result.value = 0


def recursive_lock(lock_file: str, mode: Literal["read", "write"], success_flag: Synchronized[int]) -> None: