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SubjectRe: [patch 04/28] posix-timers: Introduce clock_posix_cpu
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On Tue, 2011-02-01 at 13:51 +0000, Thomas Gleixner wrote:
> plain text document attachment
> (posix-timers-introduce-local-posix-cpu-clockid.patch)
> The CLOCK_DISPATCH() macro is a horrible magic. We call common
> functions if a function pointer is not set. That's just backwards.
>
> To support dynamic file decriptor based clocks we need to cleanup that
> dispatch logic.
>
> Create a k_clock struct clock_posix_cpu which has all the
> posix-cpu-timer functions filled in. After the cleanup the functions
> can be made static.
>
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> Cc: John Stultz <john.stultz@linaro.org>
> Cc: Richard Cochran <richard.cochran@omicron.at>

Acked-by: John Stultz <johnstul@us.ibm.com>

> ---
> include/linux/posix-timers.h | 2 ++
> kernel/posix-cpu-timers.c | 12 ++++++++++++
> 2 files changed, 14 insertions(+)
>
> Index: linux-2.6-tip/include/linux/posix-timers.h
> ===================================================================
> --- linux-2.6-tip.orig/include/linux/posix-timers.h
> +++ linux-2.6-tip/include/linux/posix-timers.h
> @@ -85,6 +85,8 @@ struct k_clock {
> struct itimerspec * cur_setting);
> };
>
> +extern struct k_clock clock_posix_cpu;
> +
> void register_posix_clock(const clockid_t clock_id, struct k_clock *new_clock);
>
> /* error handlers for timer_create, nanosleep and settime */
> Index: linux-2.6-tip/kernel/posix-cpu-timers.c
> ===================================================================
> --- linux-2.6-tip.orig/kernel/posix-cpu-timers.c
> +++ linux-2.6-tip/kernel/posix-cpu-timers.c
> @@ -1604,6 +1604,18 @@ static long thread_cpu_nsleep_restart(st
> return -EINVAL;
> }
>
> +struct k_clock clock_posix_cpu = {
> + .clock_getres = posix_cpu_clock_getres,
> + .clock_set = posix_cpu_clock_set,
> + .clock_get = posix_cpu_clock_get,
> + .timer_create = posix_cpu_timer_create,
> + .nsleep = posix_cpu_nsleep,
> + .nsleep_restart = posix_cpu_nsleep_restart,
> + .timer_set = posix_cpu_timer_set,
> + .timer_del = posix_cpu_timer_del,
> + .timer_get = posix_cpu_timer_get,
> +};
> +
> static __init int init_posix_cpu_timers(void)
> {
> struct k_clock process = {
>
>




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