process_test.py 文件源码

def tearDown(self):
        if task_id() is not None:
            # We're in a child process, and probably got to this point
            # via an uncaught exception.  If we return now, both
            # processes will continue with the rest of the test suite.
            # Exit now so the parent process will restart the child
            # (since we don't have a clean way to signal failure to
            # the parent that won't restart)
            logging.error("aborting child process from tearDown")
            logging.shutdown()
            os._exit(1)
        # In the surviving process, clear the alarm we set earlier
        signal.alarm(0)
        super(ProcessTest, self).tearDown()