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@@ -42,7 +42,7 @@ struct k_itimer {
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timer_t it_id; /* timer id */
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int it_overrun; /* overrun on pending signal */
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int it_overrun_last; /* overrun on last delivered signal */
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- int it_requeue_pending; /* waiting to requeue this timer */
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+ int it_requeue_pending; /* waiting to requeue this timer */
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#define REQUEUE_PENDING 1
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int it_sigev_notify; /* notify word of sigevent struct */
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int it_sigev_signo; /* signo word of sigevent struct */
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@@ -52,8 +52,10 @@ struct k_itimer {
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union {
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struct {
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struct timer_list timer;
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- struct list_head abs_timer_entry; /* clock abs_timer_list */
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- struct timespec wall_to_prev; /* wall_to_monotonic used when set */
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+ /* clock abs_timer_list: */
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+ struct list_head abs_timer_entry;
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+ /* wall_to_monotonic used when set: */
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+ struct timespec wall_to_prev;
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unsigned long incr; /* interval in jiffies */
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} real;
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struct cpu_timer_list cpu;
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@@ -70,14 +72,16 @@ struct k_clock_abs {
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struct list_head list;
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spinlock_t lock;
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};
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+
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struct k_clock {
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- int res; /* in nano seconds */
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+ int res; /* in nanoseconds */
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int (*clock_getres) (const clockid_t which_clock, struct timespec *tp);
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struct k_clock_abs *abs_struct;
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int (*clock_set) (const clockid_t which_clock, struct timespec * tp);
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int (*clock_get) (const clockid_t which_clock, struct timespec * tp);
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int (*timer_create) (struct k_itimer *timer);
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- int (*nsleep) (const clockid_t which_clock, int flags, struct timespec *);
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+ int (*nsleep) (const clockid_t which_clock, int flags,
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+ struct timespec *);
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int (*timer_set) (struct k_itimer * timr, int flags,
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struct itimerspec * new_setting,
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struct itimerspec * old_setting);
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@@ -89,7 +93,7 @@ struct k_clock {
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void register_posix_clock(const clockid_t clock_id, struct k_clock *new_clock);
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-/* Error handlers for timer_create, nanosleep and settime */
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+/* error handlers for timer_create, nanosleep and settime */
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int do_posix_clock_notimer_create(struct k_itimer *timer);
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int do_posix_clock_nonanosleep(const clockid_t, int flags, struct timespec *);
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int do_posix_clock_nosettime(const clockid_t, struct timespec *tp);
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@@ -101,39 +105,43 @@ struct now_struct {
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unsigned long jiffies;
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};
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-#define posix_get_now(now) (now)->jiffies = jiffies;
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+#define posix_get_now(now) \
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+ do { (now)->jiffies = jiffies; } while (0)
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+
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#define posix_time_before(timer, now) \
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time_before((timer)->expires, (now)->jiffies)
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#define posix_bump_timer(timr, now) \
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- do { \
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- long delta, orun; \
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- delta = now.jiffies - (timr)->it.real.timer.expires; \
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- if (delta >= 0) { \
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- orun = 1 + (delta / (timr)->it.real.incr); \
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- (timr)->it.real.timer.expires += \
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- orun * (timr)->it.real.incr; \
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- (timr)->it_overrun += orun; \
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- } \
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- }while (0)
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-
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-int posix_cpu_clock_getres(const clockid_t which_clock, struct timespec *);
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-int posix_cpu_clock_get(const clockid_t which_clock, struct timespec *);
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-int posix_cpu_clock_set(const clockid_t which_clock, const struct timespec *tp);
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-int posix_cpu_timer_create(struct k_itimer *);
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-int posix_cpu_nsleep(const clockid_t, int, struct timespec *);
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-int posix_cpu_timer_set(struct k_itimer *, int,
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- struct itimerspec *, struct itimerspec *);
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-int posix_cpu_timer_del(struct k_itimer *);
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-void posix_cpu_timer_get(struct k_itimer *, struct itimerspec *);
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-
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-void posix_cpu_timer_schedule(struct k_itimer *);
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-
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-void run_posix_cpu_timers(struct task_struct *);
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-void posix_cpu_timers_exit(struct task_struct *);
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-void posix_cpu_timers_exit_group(struct task_struct *);
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-
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-void set_process_cpu_timer(struct task_struct *, unsigned int,
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- cputime_t *, cputime_t *);
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+ do { \
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+ long delta, orun; \
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+ \
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+ delta = (now).jiffies - (timr)->it.real.timer.expires; \
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+ if (delta >= 0) { \
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+ orun = 1 + (delta / (timr)->it.real.incr); \
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+ (timr)->it.real.timer.expires += \
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+ orun * (timr)->it.real.incr; \
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+ (timr)->it_overrun += orun; \
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+ } \
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+ } while (0)
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+
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+int posix_cpu_clock_getres(const clockid_t which_clock, struct timespec *ts);
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+int posix_cpu_clock_get(const clockid_t which_clock, struct timespec *ts);
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+int posix_cpu_clock_set(const clockid_t which_clock, const struct timespec *ts);
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+int posix_cpu_timer_create(struct k_itimer *timer);
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+int posix_cpu_nsleep(const clockid_t which_clock, int flags,
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+ struct timespec *ts);
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+int posix_cpu_timer_set(struct k_itimer *timer, int flags,
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+ struct itimerspec *new, struct itimerspec *old);
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+int posix_cpu_timer_del(struct k_itimer *timer);
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+void posix_cpu_timer_get(struct k_itimer *timer, struct itimerspec *itp);
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+
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+void posix_cpu_timer_schedule(struct k_itimer *timer);
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+
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+void run_posix_cpu_timers(struct task_struct *task);
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+void posix_cpu_timers_exit(struct task_struct *task);
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+void posix_cpu_timers_exit_group(struct task_struct *task);
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+
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+void set_process_cpu_timer(struct task_struct *task, unsigned int clock_idx,
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+ cputime_t *newval, cputime_t *oldval);
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#endif
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