* [patch 1/4] new timerfd API v2 - introduce a new hrtimer_forward_now() function
@ 2007-09-24 20:22 Davide Libenzi
2007-09-24 20:28 ` Thomas Gleixner
0 siblings, 1 reply; 2+ messages in thread
From: Davide Libenzi @ 2007-09-24 20:22 UTC (permalink / raw)
To: Linux Kernel Mailing List
Cc: Michael Kerrisk, Thomas Gleixner, Andrew Morton, Linus Torvalds
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@xmailserver.org>
- 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,
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [patch 1/4] new timerfd API v2 - introduce a new hrtimer_forward_now() function
2007-09-24 20:22 [patch 1/4] new timerfd API v2 - introduce a new hrtimer_forward_now() function Davide Libenzi
@ 2007-09-24 20:28 ` Thomas Gleixner
0 siblings, 0 replies; 2+ messages in thread
From: Thomas Gleixner @ 2007-09-24 20:28 UTC (permalink / raw)
To: Davide Libenzi
Cc: Linux Kernel Mailing List, Michael Kerrisk, Andrew Morton,
Linus Torvalds
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@xmailserver.org>
Reviewed-and-Acked-by: Thomas Gleixner <tglx@linutronix.de>
>
> - 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,
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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2007-09-24 20:22 [patch 1/4] new timerfd API v2 - introduce a new hrtimer_forward_now() function Davide Libenzi
2007-09-24 20:28 ` Thomas Gleixner
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