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| author | Thomas Gleixner <tglx@linutronix.de> | 2011-02-01 13:52:01 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-02-02 15:28:16 +0100 |
| commit | 27722df16ef143017db55ac7baac1703a68017ff (patch) | |
| tree | eb3bc5743adbddb7811627beb3f8981120cc3a79 /kernel/posix-timers.c | |
| parent | 838394fbf989973ec7f5a0ad82cb6ff09e5c39aa (diff) | |
| download | lwn-27722df16ef143017db55ac7baac1703a68017ff.tar.gz lwn-27722df16ef143017db55ac7baac1703a68017ff.zip | |
posix-timers: Convert timer_settime() to clockid_to_kclock()
Set the common function for CLOCK_MONOTONIC and CLOCK_REALTIME kclocks
and use the new decoding function.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: John Stultz <johnstul@us.ibm.com>
Tested-by: Richard Cochran <richard.cochran@omicron.at>
LKML-Reference: <20110201134419.001863714@linutronix.de>
Diffstat (limited to 'kernel/posix-timers.c')
| -rw-r--r-- | kernel/posix-timers.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c index 4f71382a4ca8..a4dbfe71c5a5 100644 --- a/kernel/posix-timers.c +++ b/kernel/posix-timers.c @@ -252,6 +252,7 @@ static __init int init_posix_timers(void) .nsleep = common_nsleep, .nsleep_restart = hrtimer_nanosleep_restart, .timer_create = common_timer_create, + .timer_set = common_timer_set, }; struct k_clock clock_monotonic = { .clock_getres = hrtimer_get_res, @@ -259,6 +260,7 @@ static __init int init_posix_timers(void) .nsleep = common_nsleep, .nsleep_restart = hrtimer_nanosleep_restart, .timer_create = common_timer_create, + .timer_set = common_timer_set, }; struct k_clock clock_monotonic_raw = { .clock_getres = hrtimer_get_res, @@ -814,6 +816,7 @@ SYSCALL_DEFINE4(timer_settime, timer_t, timer_id, int, flags, int error = 0; unsigned long flag; struct itimerspec *rtn = old_setting ? &old_spec : NULL; + struct k_clock *kc; if (!new_setting) return -EINVAL; @@ -829,8 +832,11 @@ retry: if (!timr) return -EINVAL; - error = CLOCK_DISPATCH(timr->it_clock, timer_set, - (timr, flags, &new_spec, rtn)); + kc = clockid_to_kclock(timr->it_clock); + if (WARN_ON_ONCE(!kc || !kc->timer_set)) + error = -EINVAL; + else + error = kc->timer_set(timr, flags, &new_spec, rtn); unlock_timer(timr, flag); if (error == TIMER_RETRY) { |