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Date:      Thu, 10 Jan 2019 04:18:08 +0000
From:      bugzilla-noreply@freebsd.org
To:        threads@FreeBSD.org
Subject:   [Bug 234805] pthread_*_destroy doesn't handle locked objects consistently
Message-ID:  <bug-234805-13406-PIpBha1bNX@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-234805-13406@https.bugs.freebsd.org/bugzilla/>
References:  <bug-234805-13406@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D234805

Konstantin Belousov <kib@FreeBSD.org> changed:

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

--- Comment #1 from Konstantin Belousov <kib@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 ha=
ve
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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