[Bug 234805] pthread_*_destroy doesn't handle locked objects consistently

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234805

Konstantin Belousov <kib at FreeBSD.org> changed:

           What    |Removed                     |Added
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                 CC|                            |kib at FreeBSD.org

--- Comment #1 from Konstantin Belousov <kib at FreeBSD.org> ---
(In reply to Mark Johnston from comment #0)
For rwlock_destroy() this can be done, although I would be very careful with
introducing such change.  mutex_destroy() EINVAL caused too many grief.

For cv_desstroy(), I do not see a good way to actually implement it.  We have
user/kernel sleeping threads, and although for user sleep this can be
implemented with the same races as for mutex_destroy(), for kernel it seems to
require new umtx op to cover just this case.  I do not see it worth.

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