[LTP] [PATCH V6 01/17] syscalls/timer_gettime: Add support for time64 tests

[Cyril Hrubis <chrubis@suse.cz>]

Hi!
> > > +static void verify(void)
> > > +{
> > > +	struct test_variants *tv = &variants[tst_variant];
> > > +	struct tst_its spec = {.type = tv->type, };
> > > +
> > > +	TEST(tv->func(timer, tst_its_get(&spec)));
> > > +	if (TST_RET == 0) {
> > > +		tst_res(TPASS, "timer_gettime() Passed");
> > > +	} else {
> > > +		tst_res(TFAIL | TTERRNO, "timer_gettime() Failed");
> > >  	}
> > 
> > Looking at manuals it seems that:
> > 
> > * Newly created timer is disarmed
> > 
> > * For disarmed timers the clock_gettime() should get itimer with zeroes
> > 
> > So we check here that the returned itimer has zeroes for both oneshoot
> > and interval timers here.
> 
> I am not sure what oneshoot/interval timers you are talking about :)

These are the two timerspec structures inside of the itimerspec, one of
them is for oneshoot timer/alarm and the second one is for reocurring
timer/alarm and called interval.

> This is what I came to, is this sufficient ?
> 
> diff --git a/testcases/kernel/syscalls/timer_gettime/timer_gettime01.c b/testcases/kernel/syscalls/timer_gettime/timer_gettime01.c
> index ea7cc6b59f7e..4a949486a920 100644
> --- a/testcases/kernel/syscalls/timer_gettime/timer_gettime01.c
> +++ b/testcases/kernel/syscalls/timer_gettime/timer_gettime01.c
> @@ -55,7 +55,19 @@ static void verify(void)
>  
>         TEST(tv->func(timer, tst_its_get(&spec)));
>         if (TST_RET == 0) {
> -               tst_res(TPASS, "timer_gettime() Passed");
> +               if ((spec.type == TST_KERN_OLD_TIMESPEC &&
> +                       (spec.ts.kern_old_its.it_interval.tv_sec ||
> +                        spec.ts.kern_old_its.it_interval.tv_nsec ||
> +                        spec.ts.kern_old_its.it_value.tv_sec ||
> +                        spec.ts.kern_old_its.it_value.tv_nsec)) ||
> +                   (spec.type == TST_KERN_TIMESPEC &&
> +                       (spec.ts.kern_its.it_interval.tv_sec ||
> +                        spec.ts.kern_its.it_interval.tv_nsec ||
> +                        spec.ts.kern_its.it_value.tv_sec ||
> +                        spec.ts.kern_its.it_value.tv_nsec)))
> +                       tst_res(TFAIL, "timespec should have been zeroed");

Indeed that's what I had in mind, can we please abstract this properly
as well? I guess that we can add helpers such as tst_its_interval_sec()
tst_its_inverval_nsec, etc.

> +               else
> +                       tst_res(TPASS, "timer_gettime() Passed");
>         } else {
>                 tst_res(TFAIL | TTERRNO, "timer_gettime() Failed");
>         }
> 
> -- 
> viresh

-- 
Cyril Hrubis
chrubis@suse.cz