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SubjectRe: rw_semaphores
On Tue, Apr 10, 2001 at 08:47:34AM +0100, David Howells wrote:
>
> Since you're willing to use CMPXCHG in your suggested implementation, would it
> make it make life easier if you were willing to use XADD too?
>
> Plus, are you really willing to limit the number of readers or writers to be
> 32767? If so, I think I can suggest a way that limits it to ~65535 apiece
> instead...

I'm trying to imagine a case where 32,000 sharing a semaphore was anything but a
major failure and I can't. To me: the result of an attempt by the 32,768th locker
should be a kernel panic. Is there a reasonable scenario where this is wrong?


>
> David
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