code: def _get_process_mark_id(unified: bool = False) -> str:
      """Creates a text that can be used to identify process+thread
      Args:
          unified: bool, if True then result will be same for same process+thread
      Returns:
          mark of process+thread
      """
      mark = f"{os.getpid()}-{threading.get_native_id()}"
      if unified is True:
          return mark
      return f"{mark}-{str(time.time()).replace('.', '')}"
  
file_path: mindsdb/mindsdb/utilities/fs.py
imports: import os
  import tempfile
  import threading
  import time
  from pathlib import Path
  from typing import Optional
  import psutil
  from appdirs import user_data_dir
  from mindsdb.utilities import log
label_desc: Use image node_id 5 for calling a global function with example usage: _get_process_mark_id(unified) and returns: mark, str, str, mark