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[openbeos] Re: A new BMessage implementation (Message4)
- From: "Axel Dörfler" <axeld@xxxxxxxxxxxxxxxx>
- To: openbeos@xxxxxxxxxxxxx
- Date: Fri, 11 Nov 2005 13:09:39 +0100 CET
Ingo Weinhold <bonefish@xxxxxxxxxxxxxxx> wrote:
> This could be dangerous if both applications (sender and receiver)
> have
> full write access to the message. Especially if one is a critical
> system
> server like the registrar and the other a buggy application that
> might
> write uncontrolled into the shared memory. OTOH, if we could use copy
> on
> write areas, that would definitely be cool.
The vm_copy_area() call which would make this possible is not yet
accessible via a syscall, but that could be changed easily, if you need
it :-)
Bye,
Axel.
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