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From: Richard Cochran <richardcochran@gmail.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>,
	linux-kernel@vger.kernel.org, linux-api@vger.kernel.org,
	John Stultz <john.stultz@linaro.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Stephen Boyd <sboyd@codeaurora.org>
Subject: Re: [PATCH] [man-pages] adjtimex.2: document clock_adjtime
Date: Mon, 20 Nov 2017 19:05:00 -0800	[thread overview]
Message-ID: <20171121030459.swng4eyke34uf3sv@localhost> (raw)
In-Reply-To: <20171120225302.3379657-1-arnd@arndb.de>

On Mon, Nov 20, 2017 at 11:53:02PM +0100, Arnd Bergmann wrote:
>  .B EINVAL
> +The
> +.I clk_id
> +specified is not supported on this system.

We return EINVAL when the clockid is not valid.  That can mean two
things.  Either the SYS-V style hard coded positive clockid is out of
range, or the dynamic negative clockid does not refer to a valid
instance of a clock object.

Dynamic clocks might also return ENODEV in case a hot-plugable device
(like USB) has disappeared after its character device was opened.

Thanks,
Richard

  reply	other threads:[~2017-11-21  3:05 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-20 22:53 [PATCH] [man-pages] adjtimex.2: document clock_adjtime Arnd Bergmann
2017-11-21  3:05 ` Richard Cochran [this message]
2017-11-21  8:06   ` Arnd Bergmann
2017-11-21 16:06     ` Richard Cochran
2017-11-21 22:09       ` Arnd Bergmann
2017-12-18 19:19       ` Michael Kerrisk (man-pages)
     [not found]         ` <436eb61b-0fe2-41c8-0992-e21614fd3657-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-12-19 16:58           ` Richard Cochran
2018-01-01  6:28             ` [PATCH man-pages 1/2] clock_getres.2: Explain dynamic clocks Richard Cochran
2018-01-01  6:28               ` [PATCH man-pages 2/2] adjtimex.2: document clock_adjtime Richard Cochran
2020-04-20 11:14                 ` Michael Kerrisk (man-pages)
2020-04-20 11:13               ` [PATCH man-pages 1/2] clock_getres.2: Explain dynamic clocks Michael Kerrisk (man-pages)

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