summaryrefslogblamecommitdiff
path: root/kernel/time/posix-timers.h
blob: f32a2ebba9b8b212e2b71ae0f34a129c367bd3cf (plain) (tree) 
b24413180f56 ^

bab0aae9dcba ^



30802945893b ^




9c71a2e8a757 ^

819a95fe3adf ^


9c71a2e8a757 ^


ead25417f82e ^

30802945893b ^


938e7cf2d569 ^

30802945893b ^







6fec64e1c92d ^

63841b2a6969 ^

525b8ed91671 ^



ec8f954a40da ^

bab0aae9dcba ^









f2c45807d399 ^






1

2
3
4

5
6
7
8

9

10
11

12
13

14

15
16

17

18
19
20
21
22
23
24

25

26

27
28
29

30

31
32
33
34
35
36
37
38
39

40
41
42
43
44
45

                                      


                     



                                                            
                                                                    

                                                                  

                                                                 
                                                                                     

                                                                 
                                                     






                                                               
                                                                     
                                                                       


                                                                    
                                                             








                                                             





                                                                               
/* SPDX-License-Identifier: GPL-2.0 */
#define TIMER_RETRY 1

struct k_clock {
	int	(*clock_getres)(const clockid_t which_clock,
				struct timespec64 *tp);
	int	(*clock_set)(const clockid_t which_clock,
			     const struct timespec64 *tp);
	/* Returns the clock value in the current time namespace. */
	int	(*clock_get_timespec)(const clockid_t which_clock,
				      struct timespec64 *tp);
	/* Returns the clock value in the root time namespace. */
	ktime_t	(*clock_get_ktime)(const clockid_t which_clock);
	int	(*clock_adj)(const clockid_t which_clock, struct __kernel_timex *tx);
	int	(*timer_create)(struct k_itimer *timer);
	int	(*nsleep)(const clockid_t which_clock, int flags,
			  const struct timespec64 *);
	int	(*timer_set)(struct k_itimer *timr, int flags,
			     struct itimerspec64 *new_setting,
			     struct itimerspec64 *old_setting);
	int	(*timer_del)(struct k_itimer *timr);
	void	(*timer_get)(struct k_itimer *timr,
			     struct itimerspec64 *cur_setting);
	void	(*timer_rearm)(struct k_itimer *timr);
	s64	(*timer_forward)(struct k_itimer *timr, ktime_t now);
	ktime_t	(*timer_remaining)(struct k_itimer *timr, ktime_t now);
	int	(*timer_try_to_cancel)(struct k_itimer *timr);
	void	(*timer_arm)(struct k_itimer *timr, ktime_t expires,
			     bool absolute, bool sigev_none);
	void	(*timer_wait_running)(struct k_itimer *timr);
};

extern const struct k_clock clock_posix_cpu;
extern const struct k_clock clock_posix_dynamic;
extern const struct k_clock clock_process;
extern const struct k_clock clock_thread;
extern const struct k_clock alarm_clock;

int posix_timer_event(struct k_itimer *timr, int si_private);

void common_timer_get(struct k_itimer *timr, struct itimerspec64 *cur_setting);
int common_timer_set(struct k_itimer *timr, int flags,
		     struct itimerspec64 *new_setting,
		     struct itimerspec64 *old_setting);
int common_timer_del(struct k_itimer *timer);