Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / include / linux / posix-timers.h

diff --git a/include/linux/posix-timers.h b/include/linux/posix-timers.h
index f942e2b..95572c4 100644 (file)
--- a/include/linux/posix-timers.h
+++ b/include/linux/posix-timers.h
@@ -42,7 +42,7 @@ struct k_itimer {
        timer_t it_id;                  /* timer id */
        int it_overrun;                 /* overrun on pending signal  */
        int it_overrun_last;            /* overrun on last delivered signal */
-       int it_requeue_pending;         /* waiting to requeue this timer */
+       int it_requeue_pending;         /* waiting to requeue this timer */
 #define REQUEUE_PENDING 1
        int it_sigev_notify;            /* notify word of sigevent struct */
        int it_sigev_signo;             /* signo word of sigevent struct */
@@ -51,10 +51,8 @@ struct k_itimer {
        struct sigqueue *sigq;          /* signal queue entry. */
        union {
                struct {
-                       struct timer_list timer;
-                       struct list_head abs_timer_entry; /* clock abs_timer_list */
-                       struct timespec wall_to_prev;   /* wall_to_monotonic used when set */
-                       unsigned long incr; /* interval in jiffies */
+                       struct hrtimer timer;
+                       ktime_t interval;
                } real;
                struct cpu_timer_list cpu;
                struct {
@@ -66,18 +64,14 @@ struct k_itimer {
        } it;
 };
 
-struct k_clock_abs {
-       struct list_head list;
-       spinlock_t lock;
-};
 struct k_clock {
-       int res;                /* in nano seconds */
-       int (*clock_getres) (clockid_t which_clock, struct timespec *tp);
-       struct k_clock_abs *abs_struct;
-       int (*clock_set) (clockid_t which_clock, struct timespec * tp);
-       int (*clock_get) (clockid_t which_clock, struct timespec * tp);
+       int res;                /* in nanoseconds */
+       int (*clock_getres) (const clockid_t which_clock, struct timespec *tp);
+       int (*clock_set) (const clockid_t which_clock, struct timespec * tp);
+       int (*clock_get) (const clockid_t which_clock, struct timespec * tp);
        int (*timer_create) (struct k_itimer *timer);
-       int (*nsleep) (clockid_t which_clock, int flags, struct timespec *);
+       int (*nsleep) (const clockid_t which_clock, int flags,
+                      struct timespec *, struct timespec __user *);
        int (*timer_set) (struct k_itimer * timr, int flags,
                          struct itimerspec * new_setting,
                          struct itimerspec * old_setting);
@@ -87,53 +81,34 @@ struct k_clock {
                           struct itimerspec * cur_setting);
 };
 
-void register_posix_clock(clockid_t clock_id, struct k_clock *new_clock);
+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_notimer_create(struct k_itimer *timer);
-int do_posix_clock_nonanosleep(clockid_t, int flags, struct timespec *);
-int do_posix_clock_nosettime(clockid_t, struct timespec *tp);
+/* error handlers for timer_create, nanosleep and settime */
+int do_posix_clock_nonanosleep(const clockid_t, int flags, struct timespec *,
+                              struct timespec __user *);
+int do_posix_clock_nosettime(const clockid_t, struct timespec *tp);
 
 /* function to call to trigger timer event */
 int posix_timer_event(struct k_itimer *timr, int si_private);
 
-struct now_struct {
-       unsigned long jiffies;
-};
-
-#define posix_get_now(now) (now)->jiffies = jiffies;
-#define posix_time_before(timer, now) \
-                      time_before((timer)->expires, (now)->jiffies)
-
-#define posix_bump_timer(timr, now)                                    \
-         do {                                                          \
-              long delta, orun;                                                \
-             delta = now.jiffies - (timr)->it.real.timer.expires;      \
-              if (delta >= 0) {                                                \
-                  orun = 1 + (delta / (timr)->it.real.incr);           \
-                 (timr)->it.real.timer.expires +=                      \
-                        orun * (timr)->it.real.incr;                   \
-                  (timr)->it_overrun += orun;                          \
-              }                                                                \
-            }while (0)
-
-int posix_cpu_clock_getres(clockid_t which_clock, struct timespec *);
-int posix_cpu_clock_get(clockid_t which_clock, struct timespec *);
-int posix_cpu_clock_set(clockid_t which_clock, const struct timespec *tp);
-int posix_cpu_timer_create(struct k_itimer *);
-int posix_cpu_nsleep(clockid_t, int, struct timespec *);
-int posix_cpu_timer_set(struct k_itimer *, int,
-                       struct itimerspec *, struct itimerspec *);
-int posix_cpu_timer_del(struct k_itimer *);
-void posix_cpu_timer_get(struct k_itimer *, struct itimerspec *);
-
-void posix_cpu_timer_schedule(struct k_itimer *);
-
-void run_posix_cpu_timers(struct task_struct *);
-void posix_cpu_timers_exit(struct task_struct *);
-void posix_cpu_timers_exit_group(struct task_struct *);
-
-void set_process_cpu_timer(struct task_struct *, unsigned int,
-                          cputime_t *, cputime_t *);
+int posix_cpu_clock_getres(const clockid_t which_clock, struct timespec *ts);
+int posix_cpu_clock_get(const clockid_t which_clock, struct timespec *ts);
+int posix_cpu_clock_set(const clockid_t which_clock, const struct timespec *ts);
+int posix_cpu_timer_create(struct k_itimer *timer);
+int posix_cpu_nsleep(const clockid_t which_clock, int flags,
+                    struct timespec *rqtp, struct timespec __user *rmtp);
+int posix_cpu_timer_set(struct k_itimer *timer, int flags,
+                       struct itimerspec *new, struct itimerspec *old);
+int posix_cpu_timer_del(struct k_itimer *timer);
+void posix_cpu_timer_get(struct k_itimer *timer, struct itimerspec *itp);
+
+void posix_cpu_timer_schedule(struct k_itimer *timer);
+
+void run_posix_cpu_timers(struct task_struct *task);
+void posix_cpu_timers_exit(struct task_struct *task);
+void posix_cpu_timers_exit_group(struct task_struct *task);
+
+void set_process_cpu_timer(struct task_struct *task, unsigned int clock_idx,
+                          cputime_t *newval, cputime_t *oldval);
 
 #endif