code: def parent_after_fork_release():
      
      prepare_exceptions = list(_prepare_call_exceptions)
      del _prepare_call_exceptions[:]
      exceptions = _call_atfork_list(_parent_call_list)
      _fork_lock.release()
      _print_exception_list(prepare_exceptions, 'before fork')
      _print_exception_list(exceptions, 'after fork from parent')
docs: Call all parent after fork callables, release the lock and print
      all prepare and parent callback exceptions.