From: Thomas Gleixner <tglx@linutronix.de>
To: "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>
Cc: Darren Hart <dvhart@infradead.org>,
Matthieu CASTET <matthieu.castet@parrot.com>,
linux-kernel@vger.kernel.org,
Darren Hart <dvhart@linux.intel.com>,
Peter Zijlstra <peterz@infradead.org>,
Davidlohr Bueso <dave@stgolabs.net>,
Eric Dumazet <dada1@cosmosbay.com>
Subject: Re: futex: Allow FUTEX_CLOCK_REALTIME with FUTEX_WAIT op
Date: Fri, 24 Jun 2016 11:52:07 +0200 (CEST) [thread overview]
Message-ID: <alpine.DEB.2.11.1606241151500.5839@nanos> (raw)
In-Reply-To: <d8bcb621-012e-f34c-4cf9-2d09aa23a43c@gmail.com>
[-- Attachment #1: Type: TEXT/PLAIN, Size: 603 bytes --]
On Fri, 24 Jun 2016, Michael Kerrisk (man-pages) wrote:
> By the way, I just realized something that wasn't initially obvious
> to me, and documented it in the futex(2) man page:
>
> Note: for FUTEX_WAIT, timeout is interpreted as a
> relative value. This differs from other futex oper‐
> ations, where timeout is interpreted as an absolute
> value. To obtain the equivalent of FUTEX_WAIT with
> an absolute timeout, employ FUTEX_WAIT_BITSET with
> val3 specified as FUTEX_BITSET_MATCH_ANY.
>
> Okay?
Yes.
next prev parent reply other threads:[~2016-06-24 9:54 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-20 14:26 futex: Allow FUTEX_CLOCK_REALTIME with FUTEX_WAIT op Matthieu CASTET
2016-06-23 4:48 ` Darren Hart
2016-06-23 7:18 ` Thomas Gleixner
2016-06-23 10:52 ` Michael Kerrisk (man-pages)
2016-06-23 13:40 ` Thomas Gleixner
2016-06-23 16:16 ` Darren Hart
2016-06-23 17:26 ` Thomas Gleixner
2016-06-23 18:28 ` Darren Hart
2016-06-23 18:41 ` Michael Kerrisk (man-pages)
2016-06-23 19:55 ` Darren Hart
2016-06-23 20:31 ` Darren Hart
[not found] ` <d8bcb621-012e-f34c-4cf9-2d09aa23a43c@gmail.com>
2016-06-24 9:52 ` Thomas Gleixner [this message]
2016-06-24 10:00 ` Michael Kerrisk (man-pages)
2016-07-06 18:57 ` Thomas Gleixner
2016-06-23 18:35 ` Michael Kerrisk (man-pages)
2016-06-23 19:53 ` Darren Hart
2016-06-24 8:13 ` Michael Kerrisk (man-pages)
2016-06-23 10:53 ` Michael Kerrisk (man-pages)
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