Re: [patch 1/4] new timerfd API v2 - introduce a newhrtimer_forward_now() function

From: Thomas Gleixner
Date: Mon Sep 24 2007 - 16:28:20 EST



On Mon, 2007-09-24 at 13:22 -0700, Davide Libenzi wrote:
> I think that advancing the timer against the timer's current "now" can
> be a pretty common usage, so, w/out exposing hrtimer's internals, we add
> a new hrtimer_forward_now() function.
>
>
>
> Signed-off-by: Davide Libenzi <davidel@xxxxxxxxxxxxxxx>

Reviewed-and-Acked-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>

>
> - Davide
>
>
> ---
> include/linux/hrtimer.h | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> Index: linux-2.6.mod/include/linux/hrtimer.h
> ===================================================================
> --- linux-2.6.mod.orig/include/linux/hrtimer.h 2007-09-24 12:27:20.000000000 -0700
> +++ linux-2.6.mod/include/linux/hrtimer.h 2007-09-24 12:29:39.000000000 -0700
> @@ -298,6 +298,13 @@
> extern unsigned long
> hrtimer_forward(struct hrtimer *timer, ktime_t now, ktime_t interval);
>
> +/* Forward a hrtimer so it expires after the hrtimer's current now */
> +static inline unsigned long hrtimer_forward_now(struct hrtimer *timer,
> + ktime_t interval)
> +{
> + return hrtimer_forward(timer, timer->base->get_time(), interval);
> +}
> +
> /* Precise sleep: */
> extern long hrtimer_nanosleep(struct timespec *rqtp,
> struct timespec __user *rmtp,
>

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