shutdown.py 文件源码

def _async_terminate(*_):
  async_quit()
  global _num_terminate_requests
  _num_terminate_requests += 1
  if _num_terminate_requests == 1:
    logging.info('Shutting down.')
  if _num_terminate_requests >= 3:
    logging.error('Received third interrupt signal. Terminating.')
    os.abort()