code: def _term(sig_num, addition):
      print(
          "current pid is %s, group id is %s"
          % (os.getpid(), os.getpgrp())
      )
      os.killpg(os.getpgid(os.getpid()), signal.SIGKILL)
  
file_path: PaddleHub/modules/video/classification/videotag_tsn_lstm/resource/utils/utility.py
imports: import os
  import sys
  import signal
  import logging
  import paddle.fluid
label_desc: Use image node_id 1 for calling a global function with example usage: _term(sig_num, addition) without return types