Function collect_in_thread

Lib/test/test_weakref.py:85–103

Ensure GC collections happen in a different thread, at a high frequency.

(period=0.005)

@contextlib.contextmanager
def collect_in_thread(period=0.005):
    """
    Ensure GC collections happen in a different thread, at a high frequency.
    """
    please_stop = False

    def collect():
        while not please_stop:
            time.sleep(period)
            gc.collect()

    with support.disable_gc():
        t = threading.Thread(target=collect)
        t.start()
        try:
            yield
        finally:
            please_stop = True
            t.join()


class ReferencesTestCase(TestBase):