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Issue #17273: Clarify that pool methods can only be used by parent process.

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Richard Oudkerk 2013-07-02 12:41:00 +01:00
commit b0be62453f
1 changed files with 6 additions and 0 deletions
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Doc/library/multiprocessing.rst
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@ -284,6 +284,9 @@ For example::
print(result.get(timeout=1)) # prints "100" unless your computer is *very* slow print(result.get(timeout=1)) # prints "100" unless your computer is *very* slow
print(pool.map(f, range(10))) # prints "[0, 1, 4,..., 81]" print(pool.map(f, range(10))) # prints "[0, 1, 4,..., 81]"
Note that the methods of a pool should only ever be used by the
process which created it.
Reference Reference
--------- ---------
@ -1668,6 +1671,9 @@ with the :class:`Pool` class.
*initializer* is not ``None`` then each worker process will call *initializer* is not ``None`` then each worker process will call
``initializer(*initargs)`` when it starts. ``initializer(*initargs)`` when it starts.
Note that the methods of the pool object should only be called by
the process which created the pool.
.. versionadded:: 3.2 .. versionadded:: 3.2
*maxtasksperchild* is the number of tasks a worker process can complete *maxtasksperchild* is the number of tasks a worker process can complete
before it will exit and be replaced with a fresh worker process, to enable before it will exit and be replaced with a fresh worker process, to enable