[issue32146] multiprocessing freeze_support needed outside win32

[bbayles]

bbayles <bbayles at gmail.com> added the comment:

Thanks for the note. I've merged in master and fixed a conflict in the test file.

In an earlier rev I tried to do the argument parsing without ast.literal_eval, but found it awkward to support all the ways [1] can manifest. You might have a better idea?


[1] https://github.com/python/cpython/blob/3.7/Lib/multiprocessing/forkserver.py#L106-L107

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