code: def reset_signal_handling():
      """Reset custom signal handling back to default handlers."""
      global _handling_setup
      if _handling_setup:
          for sig, handler in _original_handlers.items():
              signal.signal(sig, handler)
          _handling_setup = False
  
file_path: ray/release/ray_release/signal_handling.py
imports: import signal
  import sys
  from typing import Any, Callable, List, Union
  from ray_release.logger import logger
label_desc: Use image node_id 5 for calling a global function with example usage: reset_signal_handling() without return types