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| author | Thomas Gleixner <tglx@linutronix.de> | 2017-05-30 23:15:54 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2017-06-04 15:40:30 +0200 |
| commit | b3db80f77a95a45dbb2136f7b2a364dc797ea914 (patch) | |
| tree | f679ba71ae5fcd6dc34d7f0a75b224fba7d0bc3e /kernel/time/alarmtimer.c | |
| parent | posix-timers: Make use of cancel/arm callbacks (diff) | |
| download | linux-b3db80f77a95a45dbb2136f7b2a364dc797ea914.tar.xz linux-b3db80f77a95a45dbb2136f7b2a364dc797ea914.zip | |
alarmtimer: Implement timer_rearm() callback
Preparatory change to utilize the common posix timer mechanisms.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: John Stultz <john.stultz@linaro.org>
Link: http://lkml.kernel.org/r/20170530211657.434598989@linutronix.de
Diffstat (limited to 'kernel/time/alarmtimer.c')
| -rw-r--r-- | kernel/time/alarmtimer.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c index 5b8cf4b61854..be85e3cbfe1b 100644 --- a/kernel/time/alarmtimer.c +++ b/kernel/time/alarmtimer.c @@ -537,6 +537,18 @@ static enum alarmtimer_restart alarm_handle_timer(struct alarm *alarm, } /** + * alarm_timer_rearm - Posix timer callback for rearming timer + * @timr: Pointer to the posixtimer data struct + */ +static void alarm_timer_rearm(struct k_itimer *timr) +{ + struct alarm *alarm = &timr->it.alarm.alarmtimer; + + timr->it_overrun += alarm_forward_now(alarm, timr->it_interval); + alarm_start(alarm, alarm->node.expires); +} + +/** * alarm_clock_getres - posix getres interface * @which_clock: clockid * @tp: timespec to fill @@ -594,7 +606,7 @@ static int alarm_timer_create(struct k_itimer *new_timer) /** * alarm_timer_get - posix timer_get interface - * @new_timer: k_itimer pointer + * @timr: k_itimer pointer * @cur_setting: itimerspec data to fill * * Copies out the current itimerspec data @@ -863,6 +875,7 @@ const struct k_clock alarm_clock = { .timer_set = alarm_timer_set, .timer_del = alarm_timer_del, .timer_get = alarm_timer_get, + .timer_rearm = alarm_timer_rearm, .nsleep = alarm_timer_nsleep, }; #endif /* CONFIG_POSIX_TIMERS */ |