code: def has_shareable_memory(a):
      """Return True if a is backed by some mmap buffer directly or not."""
      return _get_backing_memmap(a) is not None
  
imports: from mmap import mmap
  import errno
  import os
  import stat
  import threading
  import atexit
  import tempfile
  import time
  import warnings
  import weakref
  from uuid import uuid4
  from multiprocessing import util
  from pickle import whichmodule, loads, dumps, HIGHEST_PROTOCOL, PicklingError
  from .numpy_pickle import dump, load, load_temporary_memmap
  from .backports import make_memmap
  from .disk import delete_folder
  from .externals.loky.backend import resource_tracker
label_desc: Use image node_id 6 for calling a global function with example usage: has_shareable_memory(a) and returns: unknown