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sched/clock/clock_getres.c: Support CLOCK_MONOTONIC

This commit is contained in:
Xiang Xiao 2018-11-12 06:42:38 -06:00 committed by Gregory Nutt
parent 77098f8736
commit 1ef2602933
1 changed files with 16 additions and 13 deletions
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29
sched/clock/clock_getres.c
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@ -64,22 +64,25 @@ int clock_getres(clockid_t clock_id, struct timespec *res)
sinfo("clock_id=%d\n", clock_id);
/* Only CLOCK_REALTIME is supported */
if (clock_id != CLOCK_REALTIME)
switch (clock_id)
{
serr("Returning ERROR\n");
set_errno(EINVAL);
ret = ERROR;
}
else
{
/* Form the timspec using clock resolution in nanoseconds */
default:
serr("Returning ERROR\n");
set_errno(EINVAL);
ret = ERROR;
break;
res->tv_sec = 0;
res->tv_nsec = NSEC_PER_TICK;
#ifdef CONFIG_CLOCK_MONOTONIC
case CLOCK_MONOTONIC:
#endif
case CLOCK_REALTIME:
/* Form the timspec using clock resolution in nanoseconds */
sinfo("Returning res=(%d,%d)\n", (int)res->tv_sec, (int)res->tv_nsec);
res->tv_sec = 0;
res->tv_nsec = NSEC_PER_TICK;
sinfo("Returning res=(%d,%d)\n", (int)res->tv_sec, (int)res->tv_nsec);
break;
}
return ret;