diff options
| -rw-r--r-- | include/linux/posix-timers.h | 3 | ||||
| -rw-r--r-- | kernel/posix-cpu-timers.c | 2 | ||||
| -rw-r--r-- | kernel/posix-timers.c | 31 |
3 files changed, 12 insertions, 24 deletions
diff --git a/include/linux/posix-timers.h b/include/linux/posix-timers.h index cd6da06..4aaf0c5 100644 --- a/include/linux/posix-timers.h +++ b/include/linux/posix-timers.h @@ -89,9 +89,6 @@ 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 */ -int do_posix_clock_nosettime(const clockid_t, const struct timespec *tp); - /* function to call to trigger timer event */ int posix_timer_event(struct k_itimer *timr, int si_private); diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c index 8dc4cd7..504fbab 100644 --- a/kernel/posix-cpu-timers.c +++ b/kernel/posix-cpu-timers.c @@ -1604,7 +1604,6 @@ static __init int init_posix_cpu_timers(void) struct k_clock process = { .clock_getres = process_cpu_clock_getres, .clock_get = process_cpu_clock_get, - .clock_set = do_posix_clock_nosettime, .timer_create = process_cpu_timer_create, .nsleep = process_cpu_nsleep, .nsleep_restart = process_cpu_nsleep_restart, @@ -1612,7 +1611,6 @@ static __init int init_posix_cpu_timers(void) struct k_clock thread = { .clock_getres = thread_cpu_clock_getres, .clock_get = thread_cpu_clock_get, - .clock_set = do_posix_clock_nosettime, .timer_create = thread_cpu_timer_create, }; struct timespec ts; diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c index 4762986..49f358c 100644 --- a/kernel/posix-timers.c +++ b/kernel/posix-timers.c @@ -199,12 +199,6 @@ static int common_clock_get(clockid_t which_clock, struct timespec *tp) return 0; } -static inline int common_clock_set(const clockid_t which_clock, - const struct timespec *tp) -{ - return do_sys_settimeofday(tp, NULL); -} - static int common_timer_create(struct k_itimer *new_timer) { hrtimer_init(&new_timer->it.real.timer, new_timer->it_clock, 0); @@ -232,6 +226,13 @@ static inline int invalid_clockid(const clockid_t which_clock) return 1; } +/* Set clock_realtime */ +static int posix_clock_realtime_set(const clockid_t which_clock, + const struct timespec *tp) +{ + return do_sys_settimeofday(tp, NULL); +} + /* * Get monotonic time for posix timers */ @@ -276,32 +277,29 @@ static __init int init_posix_timers(void) { struct k_clock clock_realtime = { .clock_getres = hrtimer_get_res, + .clock_set = posix_clock_realtime_set, .nsleep = common_nsleep, .nsleep_restart = hrtimer_nanosleep_restart, }; struct k_clock clock_monotonic = { .clock_getres = hrtimer_get_res, .clock_get = posix_ktime_get_ts, - .clock_set = do_posix_clock_nosettime, .nsleep = common_nsleep, .nsleep_restart = hrtimer_nanosleep_restart, }; struct k_clock clock_monotonic_raw = { .clock_getres = hrtimer_get_res, .clock_get = posix_get_monotonic_raw, - .clock_set = do_posix_clock_nosettime, .timer_create = no_timer_create, }; struct k_clock clock_realtime_coarse = { .clock_getres = posix_get_coarse_res, .clock_get = posix_get_realtime_coarse, - .clock_set = do_posix_clock_nosettime, .timer_create = no_timer_create, }; struct k_clock clock_monotonic_coarse = { .clock_getres = posix_get_coarse_res, .clock_get = posix_get_monotonic_coarse, - .clock_set = do_posix_clock_nosettime, .timer_create = no_timer_create, }; @@ -940,24 +938,19 @@ void exit_itimers(struct signal_struct *sig) } } -/* Not available / possible... functions */ -int do_posix_clock_nosettime(const clockid_t clockid, const struct timespec *tp) -{ - return -EINVAL; -} -EXPORT_SYMBOL_GPL(do_posix_clock_nosettime); - SYSCALL_DEFINE2(clock_settime, const clockid_t, which_clock, const struct timespec __user *, tp) { + struct k_clock *kc = clockid_to_kclock(which_clock); struct timespec new_tp; - if (invalid_clockid(which_clock)) + if (!kc || !kc->clock_set) return -EINVAL; + if (copy_from_user(&new_tp, tp, sizeof (*tp))) return -EFAULT; - return CLOCK_DISPATCH(which_clock, clock_set, (which_clock, &new_tp)); + return kc->clock_set(which_clock, &new_tp); } SYSCALL_DEFINE2(clock_gettime, const clockid_t, which_clock, |