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Diffstat (limited to 'Doc/library/concurrent.futures.rst')
| -rw-r--r-- | Doc/library/concurrent.futures.rst | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/Doc/library/concurrent.futures.rst b/Doc/library/concurrent.futures.rst index 10cffda..c543c84 100644 --- a/Doc/library/concurrent.futures.rst +++ b/Doc/library/concurrent.futures.rst @@ -281,18 +281,18 @@ to a :class:`ProcessPoolExecutor` will result in deadlock. Added the *initializer* and *initargs* arguments. + .. note:: + The default :mod:`multiprocessing` start method + (see :ref:`multiprocessing-start-methods`) will change away from + *fork* in Python 3.14. Code that requires *fork* be used for their + :class:`ProcessPoolExecutor` should explicitly specify that by + passing a ``mp_context=multiprocessing.get_context("fork")`` + parameter. + .. versionchanged:: 3.11 The *max_tasks_per_child* argument was added to allow users to control the lifetime of workers in the pool. - .. versionchanged:: 3.12 - The implicit use of the :mod:`multiprocessing` *fork* start method as a - platform default (see :ref:`multiprocessing-start-methods`) now raises a - :exc:`DeprecationWarning`. The default will change in Python 3.14. - Code that requires *fork* should explicitly specify that when creating - their :class:`ProcessPoolExecutor` by passing a - ``mp_context=multiprocessing.get_context('fork')`` parameter. - .. _processpoolexecutor-example: ProcessPoolExecutor Example |