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Commit e344c9e7 authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

alarmtimer: Implement try_to_cancel 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/20170530211657.670026824@linutronix.de
parent d653d845

kernel/time/alarmtimer.c

+10 −0
Original line number Diff line number Diff line
@@ -572,6 +572,15 @@ static ktime_t alarm_timer_remaining(struct k_itimer *timr, ktime_t now) 
	return ktime_sub(now, alarm->node.expires);

}



/**

 * alarm_timer_try_to_cancel - Posix timer callback to cancel a timer

 * @timr:	Pointer to the posixtimer data struct

 */

static int alarm_timer_try_to_cancel(struct k_itimer *timr)

{

	return alarm_try_to_cancel(&timr->it.alarm.alarmtimer);

}



/**

 * alarm_clock_getres - posix getres interface

 * @which_clock: clockid
@@ -902,6 +911,7 @@ const struct k_clock alarm_clock = { 
	.timer_rearm		= alarm_timer_rearm,

	.timer_forward		= alarm_timer_forward,

	.timer_remaining	= alarm_timer_remaining,

	.timer_try_to_cancel	= alarm_timer_try_to_cancel,

	.nsleep			= alarm_timer_nsleep,

};

#endif /* CONFIG_POSIX_TIMERS */