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Document lack of multiprocess / async functionality #402

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merged 5 commits into from
Nov 7, 2019
Merged

Document lack of multiprocess / async functionality #402

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docs: Added note regarding iOS multiprocess/tghreading limitations
Zen-CODE Oct 24, 2019
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Fix typo
Zen-CODE Oct 24, 2019
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Tweaked wording
Zen-CODE Oct 24, 2019
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:wrench: Refine accuracy of multiprocess docs
Zen-CODE Nov 6, 2019
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:sparkles: Fix typo
Zen-CODE Nov 6, 2019
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10 changes: 10 additions & 0 deletions README.md
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Expand Up @@ -249,6 +249,16 @@ It is due to invalid archs, search for them and check it. Maybe you
targetted a simulator but have only armv7/arm64. Maybe you want to target
your iPad but it as only x86_64.

### Why does the python multiprocess/subprocess module not work?

The iOS application model does not currently support multi-processing in a
cross-platform compatible way. The application design focuses on minimizing
processor usage (to minimize power consumption) and promotes an
[alternative concurrency model](https://developer.apple.com/library/archive/documentation/General/Conceptual/ConcurrencyProgrammingGuide/Introduction/Introduction.html).

If you need to make use of multiple processes, you should consider using
[PyObjus](https://github.com/kivy/pyobjus) to leverage native iOS
functionals for this.

## Support

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