diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2006-03-31 10:31:17 (GMT) |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-31 20:18:58 (GMT) |
commit | 00362e33f65f1cb5d15e62ea5509520ce2770360 (patch) | |
tree | 02694b1416f3d98c4eebaeca7864c7fd3bad6fa0 /kernel | |
parent | 2bfb646cdf348cb77c572f06d5b9d17ea205c7e2 (diff) | |
download | linux-00362e33f65f1cb5d15e62ea5509520ce2770360.tar.xz |
[PATCH] hrtimer: create generic sleeper
The removal of the data field in the hrtimer structure enforces the
embedding of the timer into another data structure. nanosleep now uses a
private implementation of the most common used timer callback function
(simple task wakeup).
In order to avoid the reimplentation of such functionality all over the
place a generic hrtimer_sleeper functionality is created.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/hrtimer.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c index 0237a55..877cdf96 100644 --- a/kernel/hrtimer.c +++ b/kernel/hrtimer.c @@ -656,6 +656,25 @@ void hrtimer_run_queues(void) * Sleep related functions: */ +static int hrtimer_wakeup(struct hrtimer *timer) +{ + struct hrtimer_sleeper *t = + container_of(timer, struct hrtimer_sleeper, timer); + struct task_struct *task = t->task; + + t->task = NULL; + if (task) + wake_up_process(task); + + return HRTIMER_NORESTART; +} + +void hrtimer_init_sleeper(struct hrtimer_sleeper *sl, task_t *task) +{ + sl->timer.function = hrtimer_wakeup; + sl->task = task; +} + struct sleep_hrtimer { struct hrtimer timer; struct task_struct *task; |