From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: alison@she-devel.com
Cc: corbet@lwn.net, gratian.crisan@ni.com, triegel@redhat.com,
rostedt@goodmis.org, linux-kernel@vger.kernel.org,
linux-rt-users@vger.kernel.org, achaiken@aurora.tech
Subject: Re: [PATCH] Documentation: locking: update libc support status of PI futexes
Date: Tue, 7 Jan 2025 16:31:21 +0100 [thread overview]
Message-ID: <20250107153121.wAL-TfKG@linutronix.de> (raw)
In-Reply-To: <20241228181546.1315328-1-alison@she-devel.com>
On 2024-12-28 10:15:46 [-0800], alison@she-devel.com wrote:
> From: Alison Chaiken <alison@she-devel.com>
>
> Update the text of futex-requeue-pi.rst to explain that, because of a
> conflict between POSIX requirements and ABI constraints, glibc does
> not support requeueing of PI futexes. Add some information about
> librtpi, a library which provides an implementation of condition
> variables which supports priority inheritance.
Are you sure? My memory is that glibc avoided using the internal mutex.
The old problem should be gone and pthread_cond_signal() and
pthread_cond_wait() should work.
> Signed-off-by: Alison Chaiken <alison@she-devel.com>
Sebastian
next prev parent reply other threads:[~2025-01-07 15:31 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-28 18:15 alison
2025-01-07 15:31 ` Sebastian Andrzej Siewior [this message]
2025-01-11 18:55 ` Alison Chaiken
2025-05-23 15:00 ` Sebastian Andrzej Siewior
2025-05-23 16:11 ` Jan Kiszka
2025-05-24 22:09 ` Alison Chaiken
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