kernel-janitors.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: walter harms <wharms@bfs.de>
To: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: john.stultz@linaro.org, tglx@linutronix.de,
	shuahkh@osg.samsung.com, linux-kselftest@vger.kernel.org,
	linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [PATCH] selftests/timers: Add missing error code assignment before test
Date: Tue, 09 Aug 2016 10:20:06 +0000	[thread overview]
Message-ID: <57A9AE56.8060706@bfs.de> (raw)
In-Reply-To: <1470737486-5924-1-git-send-email-christophe.jaillet@wanadoo.fr>


The patch looks ok.
but perhaps it is better to replace this with clock_gettime() ?

from the manpage:
"POSIX.1-2008 marks gettimeofday() as obsolete, recommending the
 use of clock_gettime(2) instead."

just my 2 cents.

re,
 wh


Am 09.08.2016 12:11, schrieb Christophe JAILLET:
> In order to work, the 'err' return value has to be updated otherwise the
> test can never be true.
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> ---
>  tools/testing/selftests/timers/posix_timers.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/tools/testing/selftests/timers/posix_timers.c b/tools/testing/selftests/timers/posix_timers.c
> index 5a246a0..15cf56d 100644
> --- a/tools/testing/selftests/timers/posix_timers.c
> +++ b/tools/testing/selftests/timers/posix_timers.c
> @@ -122,7 +122,7 @@ static int check_itimer(int which)
>  	else if (which = ITIMER_REAL)
>  		idle_loop();
>  
> -	gettimeofday(&end, NULL);
> +	err = gettimeofday(&end, NULL);
>  	if (err < 0) {
>  		perror("Can't call gettimeofday()\n");
>  		return -1;
> @@ -175,7 +175,7 @@ static int check_timer_create(int which)
>  
>  	user_loop();
>  
> -	gettimeofday(&end, NULL);
> +	err = gettimeofday(&end, NULL);
>  	if (err < 0) {
>  		perror("Can't call gettimeofday()\n");
>  		return -1;

  reply	other threads:[~2016-08-09 10:20 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-09 10:11 [PATCH] selftests/timers: Add missing error code assignment before test Christophe JAILLET
2016-08-09 10:20 ` walter harms [this message]
2016-08-17 21:31 ` John Stultz

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=57A9AE56.8060706@bfs.de \
    --to=wharms@bfs.de \
    --cc=christophe.jaillet@wanadoo.fr \
    --cc=john.stultz@linaro.org \
    --cc=kernel-janitors@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-kselftest@vger.kernel.org \
    --cc=shuahkh@osg.samsung.com \
    --cc=tglx@linutronix.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).