Re: [PATCH] selftests/timers: Add missing error code assignment before test

From: walter harms
Date: Tue Aug 09 2016 - 06:20:15 EST



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@xxxxxxxxxx>
> ---
> 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;