Function acquirer

tests/test_read_write_unit.py:607–612

()

    result: dict[str, object] = {}

    def acquirer() -> None:
        try:
            lock.acquire_read()
            result["ok"] = True
        except BaseException as exc:
            result["exc"] = exc

    thread = threading.Thread(target=acquirer, daemon=True)
    thread.start()