code: def _kill(pid):
      # Not all systems (e.g. Windows) have a SIGKILL, but the C specification
      # mandates a SIGTERM signal. While Windows is handled specifically above,
      # let's try to be safe for other hypothetic platforms that only have
      # SIGTERM without SIGKILL.
      kill_signal = getattr(signal, "SIGKILL", signal.SIGTERM)
      try:
          os.kill(pid, kill_signal)
      except OSError as e:
          # if OSError is raised with [Errno 3] no such process, the process
          # is already terminated, else, raise the error and let the top
          # level function raise a warning and retry to kill the process.
          if e.errno != errno.ESRCH:
              raise
  
file_path: catboost/contrib/python/joblib/joblib/externals/loky/backend/utils.py
imports: import os
  import sys
  import time
  import errno
  import signal
  import warnings
  import subprocess
  import traceback
label_desc: Use image node_id 6 for calling a global function with example usage: _kill(pid) without return types