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Date:      Sat, 23 Sep 2023 11:14:38 +0000
From:      bugzilla-noreply@freebsd.org
To:        doc@FreeBSD.org
Subject:   [Bug 273962] copy_file_range does not work on shared memory objects
Message-ID:  <bug-273962-9-iINDZaE9iX@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-273962-9@https.bugs.freebsd.org/bugzilla/>
References:  <bug-273962-9@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D273962

--- Comment #12 from Konstantin Belousov <kib@FreeBSD.org> ---
(In reply to David Chisnall from comment #11)
It is not required, it is quality of implementation.
POSIX does not require that read(2) works on shmfd at all.

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