test_threads.py 文件源码

def testWakerOverflow(self):
        self.failure = None
        waiter = threading.Event()
        def threadedFunction():
            # Hopefully a hundred thousand queued calls is enough to
            # trigger the error condition
            for i in xrange(100000):
                try:
                    reactor.callFromThread(lambda: None)
                except:
                    self.failure = failure.Failure()
                    break
            waiter.set()
        reactor.callInThread(threadedFunction)
        waiter.wait(120)
        if not waiter.isSet():
            self.fail("Timed out waiting for event")
        if self.failure is not None:
            return defer.fail(self.failure)