Re: [PATCH] public: add RING_NR_UNCONSUMED_*() macros to ring.h

[Manuel Bouyer <bouyer@xxxxxxxxxxxxxxx>]

On Fri, Nov 26, 2021 at 07:55:47AM +0100, Juergen Gross wrote:
> Today RING_HAS_UNCONSUMED_*() macros are returning the number of
> unconsumed requests or responses instead of a boolean as the name of
> the macros would imply.
> 
> As this "feature" is already being used, rename the macros to
> RING_NR_UNCONSUMED_*() and define the RING_HAS_UNCONSUMED_*() macros
> by using the new RING_NR_UNCONSUMED_*() macros. In order to avoid
> future misuse let RING_HAS_UNCONSUMED_*() really return a boolean.
> 
> Note that the known misuses need to be switched to the new
> RING_NR_UNCONSUMED_*() macros when using this version of ring.h.

AFAIK NetBSD is using RING_HAS_UNCONSUMED as a booleanm so it should
be fine with this change

-- 
Manuel Bouyer <bouyer@xxxxxxxxxxxxxxx>
     NetBSD: 26 ans d'experience feront toujours la difference
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