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Re: [DESIGN] Stacked resources ownership model?

From: Julian Foad <julianfoad_at_btopenworld.com>
Date: 2005-12-15 22:30:05 CET

Erik Huelsmann wrote:
> * Create a special stream which breaks the ownership model by intent,
> which can be used to interject between any stacked streams and
> non-owned streams

By a "non-owned stream" do you mean a stream that you wish wouldn't own its
file (or other lower-level resource) though it actually does? Something like a
stream-from-apr-file that does own and close its file (in the new ownership
model), but where the insertion of this special "breaking" stream effectively
causes the resulting stack of streams not to own the file?

I don't see how that can work. When I close this special stream, will it close
the underlying stream_from_apr_file? If it does, that defeats the purpose
because then the file will be closed; if it doesn't, that's wrong because the
underlying stream won't be flushed and closed.

What am I missing?

- Julian

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Received on Thu Dec 15 22:30:55 2005

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