[issue30685] Multiprocessing Send to Manager Fails for Large Payload

[Antoine Pitrou]

Antoine Pitrou added the comment:

As the comment just above that line says, this is for wire compatibility with older Python versions.

But we could have an escape hatch: a special value of the length (which happens to be encoded as a signed integer), such as -64, which would signal a following 64-bit length field.  Would you like to submit a PR?

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nosy: +davin, pitrou
stage:  -> needs patch
type:  -> enhancement
versions: +Python 3.7 -Python 3.5

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