#ifndef _linux_POSIX_TIMERS_H
#define _linux_POSIX_TIMERS_H
+#include <linux/spinlock.h>
+#include <linux/list.h>
+
+struct k_clock_abs {
+ struct list_head list;
+ spinlock_t lock;
+};
struct k_clock {
int res; /* in nano seconds */
+ struct k_clock_abs *abs_struct;
int (*clock_set) (struct timespec * tp);
int (*clock_get) (struct timespec * tp);
int (*nsleep) (int flags,
#define posix_time_before(timer, now) \
time_before((timer)->expires, (now)->jiffies)
-#define posix_bump_timer(timr) do { \
- (timr)->it_timer.expires += (timr)->it_incr; \
- (timr)->it_overrun++; \
- }while (0)
+#define posix_bump_timer(timr, now) \
+ do { \
+ long delta, orun; \
+ delta = now.jiffies - (timr)->it_timer.expires; \
+ if (delta >= 0) { \
+ orun = 1 + (delta / (timr)->it_incr); \
+ (timr)->it_timer.expires += orun * (timr)->it_incr; \
+ (timr)->it_overrun += orun; \
+ } \
+ }while (0)
#endif