[issue16998] Lost updates with multiprocessing.Value

[Roundup Robot]

Roundup Robot added the comment:

New changeset 7aabbe919f55 by Richard Oudkerk in branch '2.7':
Issue 16998: Clarify that += on a shared value is not atomic.
http://hg.python.org/cpython/rev/7aabbe919f55

New changeset 11cafbe6519f by Richard Oudkerk in branch '3.3':
Issue 16998: Clarify that += on a shared value is not atomic.
http://hg.python.org/cpython/rev/11cafbe6519f

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nosy: +python-dev

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