Re: [cx-freeze-users] Multiprocessing spawning loads of processes

[Thomas Kluyver]

Hi Dean,

On 9 May 2014 13:16, Dean Chester <dean.g.ches...@gmail.com> wrote:

> I am using python 3.4, and setting multiprocessing to spawn processes not
> fork them. I am also calling the freeze support method like so:
>
>     multiprocessing.freeze_support()
>     multiprocessing.set_start_method('spawn')
>
> Anyone else had this issue on OSX?
>

I don't use OSX, but a couple of things to check:

- Make sure your multiprocessing code is protected by an if __name__ ==
'__main__' condition, so it doesn't spawn processes on import.
- Try calling freeze_support() after set_start_method().

Thomas

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