diff --git a/Doc/library/concurrent.futures.rst b/Doc/library/concurrent.futures.rst index 3c8d9ab111e09e..8112fb987adfdb 100644 --- a/Doc/library/concurrent.futures.rst +++ b/Doc/library/concurrent.futures.rst @@ -114,7 +114,7 @@ Executor Objects e.submit(shutil.copy, 'src4.txt', 'dest4.txt') .. versionchanged:: 3.9 - Added *cancel_futures*. + Added the *cancel_futures* parameter. ThreadPoolExecutor @@ -154,7 +154,8 @@ And:: executor.submit(wait_on_future) -.. class:: ThreadPoolExecutor(max_workers=None, thread_name_prefix='', initializer=None, initargs=()) +.. class:: ThreadPoolExecutor(max_workers=None, thread_name_prefix='', \ + initializer=None, initargs=(), **ctxkwargs) An :class:`Executor` subclass that uses a pool of at most *max_workers* threads to execute calls asynchronously. @@ -201,6 +202,15 @@ And:: Default value of *max_workers* is changed to ``min(32, (os.process_cpu_count() or 1) + 4)``. + .. versionchanged:: 3.14 + Added *ctxkwargs* to pass additional arguments to ``cls.prepare_context`` + class method. + + .. classmethod:: prepare_context(initializer, initargs) + Setting up the necessary context for creating worker instances in a pool-based executor (e.g., in a concurrent environment like threads or interpreters). + + .. versionadded:: 3.14 + .. _threadpoolexecutor-example: @@ -287,7 +297,8 @@ efficient alternative is to serialize with :mod:`pickle` and then send the bytes over a shared :mod:`socket ` or :func:`pipe `. -.. class:: InterpreterPoolExecutor(max_workers=None, thread_name_prefix='', initializer=None, initargs=(), shared=None) +.. class:: InterpreterPoolExecutor(max_workers=None, thread_name_prefix='', \ + initializer=None, initargs=(), shared=None) A :class:`ThreadPoolExecutor` subclass that executes calls asynchronously using a pool of at most *max_workers* threads. Each thread runs @@ -357,7 +368,9 @@ that :class:`ProcessPoolExecutor` will not work in the interactive interpreter. Calling :class:`Executor` or :class:`Future` methods from a callable submitted to a :class:`ProcessPoolExecutor` will result in deadlock. -.. class:: ProcessPoolExecutor(max_workers=None, mp_context=None, initializer=None, initargs=(), max_tasks_per_child=None) +.. class:: ProcessPoolExecutor(max_workers=None, mp_context=None, \ + initializer=None, initargs=(), \ + max_tasks_per_child=None) An :class:`Executor` subclass that executes calls asynchronously using a pool of at most *max_workers* processes. If *max_workers* is ``None`` or not pFad - Phonifier reborn

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