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

From: Davide Libenzi
Date: Mon Sep 24 2007 - 16:22:51 EST


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>


- 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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