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Diffstat (limited to 'kernel/posix-timers.c')
-rw-r--r--kernel/posix-timers.c37
1 files changed, 9 insertions, 28 deletions
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index 3b606d361b52..28e72fd0029f 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -194,9 +194,7 @@ static inline int common_clock_set(const clockid_t which_clock,
static int common_timer_create(struct k_itimer *new_timer)
{
- hrtimer_init(&new_timer->it.real.timer, new_timer->it_clock);
- new_timer->it.real.timer.data = new_timer;
- new_timer->it.real.timer.function = posix_timer_fn;
+ hrtimer_init(&new_timer->it.real.timer, new_timer->it_clock, 0);
return 0;
}
@@ -693,6 +691,7 @@ common_timer_set(struct k_itimer *timr, int flags,
struct itimerspec *new_setting, struct itimerspec *old_setting)
{
struct hrtimer *timer = &timr->it.real.timer;
+ enum hrtimer_mode mode;
if (old_setting)
common_timer_get(timr, old_setting);
@@ -714,14 +713,10 @@ common_timer_set(struct k_itimer *timr, int flags,
if (!new_setting->it_value.tv_sec && !new_setting->it_value.tv_nsec)
return 0;
- /* Posix madness. Only absolute CLOCK_REALTIME timers
- * are affected by clock sets. So we must reiniatilize
- * the timer.
- */
- if (timr->it_clock == CLOCK_REALTIME && (flags & TIMER_ABSTIME))
- hrtimer_rebase(timer, CLOCK_REALTIME);
- else
- hrtimer_rebase(timer, CLOCK_MONOTONIC);
+ mode = flags & TIMER_ABSTIME ? HRTIMER_ABS : HRTIMER_REL;
+ hrtimer_init(&timr->it.real.timer, timr->it_clock, mode);
+ timr->it.real.timer.data = timr;
+ timr->it.real.timer.function = posix_timer_fn;
timer->expires = timespec_to_ktime(new_setting->it_value);
@@ -732,8 +727,7 @@ common_timer_set(struct k_itimer *timr, int flags,
if (((timr->it_sigev_notify & ~SIGEV_THREAD_ID) == SIGEV_NONE))
return 0;
- hrtimer_start(timer, timer->expires, (flags & TIMER_ABSTIME) ?
- HRTIMER_ABS : HRTIMER_REL);
+ hrtimer_start(timer, timer->expires, mode);
return 0;
}
@@ -948,21 +942,8 @@ sys_clock_getres(const clockid_t which_clock, struct timespec __user *tp)
static int common_nsleep(const clockid_t which_clock, int flags,
struct timespec *tsave, struct timespec __user *rmtp)
{
- int mode = flags & TIMER_ABSTIME ? HRTIMER_ABS : HRTIMER_REL;
- int clockid = which_clock;
-
- switch (which_clock) {
- case CLOCK_REALTIME:
- /* Posix madness. Only absolute timers on clock realtime
- are affected by clock set. */
- if (mode != HRTIMER_ABS)
- clockid = CLOCK_MONOTONIC;
- case CLOCK_MONOTONIC:
- break;
- default:
- return -EINVAL;
- }
- return hrtimer_nanosleep(tsave, rmtp, mode, clockid);
+ return hrtimer_nanosleep(tsave, rmtp, flags & TIMER_ABSTIME ?
+ HRTIMER_ABS : HRTIMER_REL, which_clock);
}
asmlinkage long