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gh-91340: Document multiprocessing.set_start_method force parameter (GH-32339)

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#91340


https://bugs.python.org/issue47184

Automerge-Triggered-By: GH:kumaraditya303
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Sam Ezeh 2022-11-27 17:58:39 +00:00 • committed by GitHub
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Doc/library/multiprocessing.rst
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@ -1089,10 +1089,14 @@ Miscellaneous
.. versionchanged:: 3.11
Accepts a :term:`path-like object`.
.. function:: set_start_method(method)
.. function:: set_start_method(method, force=False)
Set the method which should be used to start child processes.
*method* can be ``'fork'``, ``'spawn'`` or ``'forkserver'``.
The *method* argument can be ``'fork'``, ``'spawn'`` or ``'forkserver'``.
Raises :exc:`RuntimeError` if the start method has already been set and *force*
is not ``True``. If *method* is ``None`` and *force* is ``True`` then the start
method is set to ``None``. If *method* is ``None`` and *force* is ``False``
then the context is set to the default context.
Note that this should be called at most once, and it should be
protected inside the ``if __name__ == '__main__'`` clause of the