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Commit e7561f16 authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

alarmtimer: Implement forward callback 



Preparatory change to utilize the common posix timer mechanisms.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: John Stultz <john.stultz@linaro.org>
Link: http://lkml.kernel.org/r/20170530211657.513694229@linutronix.de
parent b3db80f7

kernel/time/alarmtimer.c

+13 −0
Original line number Original line Diff line number Diff line
@@ -548,6 +548,18 @@ static void alarm_timer_rearm(struct k_itimer *timr) 
	alarm_start(alarm, alarm->node.expires);

	alarm_start(alarm, alarm->node.expires);

}

}





/**

 * alarm_timer_forward - Posix timer callback for forwarding timer

 * @timr:	Pointer to the posixtimer data struct

 * @now:	Current time to forward the timer against

 */

static int alarm_timer_forward(struct k_itimer *timr, ktime_t now)

{

	struct alarm *alarm = &timr->it.alarm.alarmtimer;



	return (int) alarm_forward(alarm, timr->it_interval, now);

}



/**

/**

 * alarm_clock_getres - posix getres interface

 * alarm_clock_getres - posix getres interface

 * @which_clock: clockid

 * @which_clock: clockid
@@ -876,6 +888,7 @@ const struct k_clock alarm_clock = { 
	.timer_del	= alarm_timer_del,

	.timer_del	= alarm_timer_del,

	.timer_get	= alarm_timer_get,

	.timer_get	= alarm_timer_get,

	.timer_rearm	= alarm_timer_rearm,

	.timer_rearm	= alarm_timer_rearm,

	.timer_forward	= alarm_timer_forward,

	.nsleep		= alarm_timer_nsleep,

	.nsleep		= alarm_timer_nsleep,

};

};

#endif /* CONFIG_POSIX_TIMERS */

#endif /* CONFIG_POSIX_TIMERS */