diff options
Diffstat (limited to 'kernel/time/alarmtimer.c')
| -rw-r--r-- | kernel/time/alarmtimer.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c index 36947449dba2..ec32876e284d 100644 --- a/kernel/time/alarmtimer.c +++ b/kernel/time/alarmtimer.c @@ -606,6 +606,19 @@ static int alarm_timer_try_to_cancel(struct k_itimer *timr) } /** + * alarm_timer_wait_running - Posix timer callback to wait for a timer + * @timr: Pointer to the posixtimer data struct + * + * Called from the core code when timer cancel detected that the callback + * is running. @timr is unlocked and rcu read lock is held to prevent it + * from being freed. + */ +static void alarm_timer_wait_running(struct k_itimer *timr) +{ + hrtimer_cancel_wait_running(&timr->it.alarm.alarmtimer.timer); +} + +/** * alarm_timer_arm - Posix timer callback to arm a timer * @timr: Pointer to the posixtimer data struct * @expires: The new expiry time @@ -834,6 +847,7 @@ const struct k_clock alarm_clock = { .timer_forward = alarm_timer_forward, .timer_remaining = alarm_timer_remaining, .timer_try_to_cancel = alarm_timer_try_to_cancel, + .timer_wait_running = alarm_timer_wait_running, .nsleep = alarm_timer_nsleep, }; #endif /* CONFIG_POSIX_TIMERS */ |