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posix-timers: Add cancel/arm callbacks

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Add timer_try_to_cancel() and timer_arm() callbacks to kclock which allow
to make common_timer_set() usable by both hrtimer and alarmtimer based
clocks.

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/20170530211657.278022962@linutronix.de
This commit is contained in:
Thomas Gleixner 2017-05-30 23:15:52 +02:00
parent eabdec0438
commit 525b8ed916
1 changed files with 3 additions and 0 deletions
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3
kernel/time/posix-timers.h
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@ -21,6 +21,9 @@ struct k_clock {
void (*timer_rearm)(struct k_itimer *timr);
int (*timer_forward)(struct k_itimer *timr, ktime_t now);
ktime_t (*timer_remaining)(struct k_itimer *timr, ktime_t now);
int (*timer_try_to_cancel)(struct k_itimer *timr);
void (*timer_arm)(struct k_itimer *timr, ktime_t expires,
bool absolute, bool sigev_none);
};
extern const struct k_clock clock_posix_cpu;