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posix-timers: Add forward/remaining callbacks

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Add two callbacks to kclock which allow using common_)timer_get() for both
hrtimer and alarm timer 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/20170530211657.044915536@linutronix.de
This commit is contained in:
Thomas Gleixner 2017-05-30 23:15:49 +02:00
parent 21e55c1f83
commit 63841b2a69
1 changed files with 2 additions and 0 deletions
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2
kernel/time/posix-timers.h
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@ -19,6 +19,8 @@ struct k_clock {
void (*timer_get)(struct k_itimer *timr,
struct itimerspec64 *cur_setting);
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);
};
extern const struct k_clock clock_posix_cpu;