class_docstr: A thread-safe queue implementation for multiple producers and consumers.
  
  Provide `release()` to exit producer threads cooperatively for resource release.
docstr: Release `num_threads` of producers so they would exit cooperatively.
docstr_tok: ["Release","`","num_threads","`","of","producers","so","they","would","exit","cooperatively","."]
code: def release(self, num_threads: int):
      """Release `num_threads` of producers so they would exit cooperatively."""
      with self._mutex:
          self._threads_exit = True
      for _ in range(num_threads):
          # NOTE: After Python 3.9+, Semaphore.release(n) can be used to
          # release all threads at once.
          self._producer_semaphore.release()
  
imports: import importlib
  import logging
  import os
  import pathlib
  import random
  import sys
  import threading
  import time
  import urllib.parse
  from collections import deque
  from types import ModuleType
  from typing import TYPE_CHECKING, Any, Callable, Dict, Iterable, Iterator, List, Optional, Tuple, TypeVar, Union
  import numpy
  import ray
  from ray._private.utils import _get_pyarrow_version
  from ray.data._internal.arrow_ops.transform_pyarrow import unify_schemas
  from ray.data.context import WARN_PREFIX, DataContext
label_desc: Use image node_id 4 for calling the Queue obj's underlying member method code with example usage: obj.release(num_threads) without return types