code: def _get_exitcode_name(exitcode):
      if sys.platform == "win32":
          # The exitcode are unreliable  on windows (see bpo-31863).
          # For this case, return UNKNOWN
          return "UNKNOWN"
  
      if exitcode < 0:
          try:
              import signal
  
              return signal.Signals(-exitcode).name
          except ValueError:
              return "UNKNOWN"
      elif exitcode != 255:
          # The exitcode are unreliable on forkserver were 255 is always returned
          # (see bpo-30589). For this case, return UNKNOWN
          return "EXIT"
  
      return "UNKNOWN"
  
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 10 for calling a global function with example usage: _get_exitcode_name(exitcode) and returns: str, str, signal, str, str