xref: /openbmc/linux/kernel/time/posix-timers.h (revision 63841b2a)
1 #define TIMER_RETRY 1
2 
3 struct k_clock {
4 	int	(*clock_getres)(const clockid_t which_clock,
5 				struct timespec64 *tp);
6 	int	(*clock_set)(const clockid_t which_clock,
7 			     const struct timespec64 *tp);
8 	int	(*clock_get)(const clockid_t which_clock,
9 			     struct timespec64 *tp);
10 	int	(*clock_adj)(const clockid_t which_clock, struct timex *tx);
11 	int	(*timer_create)(struct k_itimer *timer);
12 	int	(*nsleep)(const clockid_t which_clock, int flags,
13 			  struct timespec64 *, struct timespec __user *);
14 	long	(*nsleep_restart)(struct restart_block *restart_block);
15 	int	(*timer_set)(struct k_itimer *timr, int flags,
16 			     struct itimerspec64 *new_setting,
17 			     struct itimerspec64 *old_setting);
18 	int	(*timer_del)(struct k_itimer *timr);
19 	void	(*timer_get)(struct k_itimer *timr,
20 			     struct itimerspec64 *cur_setting);
21 	void	(*timer_rearm)(struct k_itimer *timr);
22 	int	(*timer_forward)(struct k_itimer *timr, ktime_t now);
23 	ktime_t	(*timer_remaining)(struct k_itimer *timr, ktime_t now);
24 };
25 
26 extern const struct k_clock clock_posix_cpu;
27 extern const struct k_clock clock_posix_dynamic;
28 extern const struct k_clock clock_process;
29 extern const struct k_clock clock_thread;
30 extern const struct k_clock alarm_clock;
31 
32 int posix_timer_event(struct k_itimer *timr, int si_private);
33