[issue5501] Update multiprocessing docs re: freeze_support

[Brandon Corfman]

New submission from Brandon Corfman <bcorfman at fastmail.fm>:

Indicate in docs whether freeze_support() can be called without issues
on Unix or OS X, so the user knows whether they can have a single code
base that works correctly on all platforms.

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assignee: georg.brandl
components: Documentation
messages: 83690
nosy: bcorfman, georg.brandl, jnoller
severity: normal
status: open
title: Update multiprocessing docs re: freeze_support
type: feature request
versions: Python 2.6

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue5501>
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