[issue35813] shared memory construct to avoid need for serialization between processes

[Giampaolo Rodola']

Giampaolo Rodola' <g.rodola at gmail.com> added the comment:

> Because shared memory blocks are not "owned" by a single process...
> [...]
> I propose a simpler, consistent-across-platforms API like:
>     SharedMemory(name=None, create=False, size=0)

Maybe something like this instead?

      SharedMemory(name=None, attach_if_exists=False, size=0)

The use case I'm thinking about is 2 distinct processes/apps which agree on a common fixed name.

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