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Re: [PATCH 0/2] Delete CIRCLEQ
In article <CANwMNv66LPSs1U_CmqJbQAqobK+y=vKbLLgj24ZAhJhKu+pmtA%mail.gmail.com@localhost>,
Kamil Rytarowski <email@example.com> wrote:
>This removal is a part of a larger synchronization with other BSDs as
>we lack various features in sys/queue.h (like LIST_PREV()).
>CIRCLEQ was already deleted from the documentation and disabled in the
>kernel in NetBSD-7. If there are still any unaware users, they are
>certainly long broken.
>What's the benefit of keeping it around and having no users and
>documented deprecation plus being prone to miscompilation? The removal
>does not break libc or kernel ABIs. Most 3rd party users of these
>macros deliver a homegrown copy of sys/queue.h anyway.
We should follow suit with the other BSD's and remove it. We should
also look at FreeBSD's header, add the missing functions and the
comments. It is pointless keeping it around. We've already
discouraged its use and there is very little software using it. We
can easily convert whatever it is using it to TAILQ.
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