1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #define TIMER_RETRY 1 3 4 struct k_clock { 5 int (*clock_getres)(const clockid_t which_clock, 6 struct timespec64 *tp); 7 int (*clock_set)(const clockid_t which_clock, 8 const struct timespec64 *tp); 9 int (*clock_get)(const clockid_t which_clock, 10 struct timespec64 *tp); 11 int (*clock_adj)(const clockid_t which_clock, struct timex *tx); 12 int (*timer_create)(struct k_itimer *timer); 13 int (*nsleep)(const clockid_t which_clock, int flags, 14 const struct timespec64 *); 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 s64 (*timer_forward)(struct k_itimer *timr, ktime_t now); 23 ktime_t (*timer_remaining)(struct k_itimer *timr, ktime_t now); 24 int (*timer_try_to_cancel)(struct k_itimer *timr); 25 void (*timer_arm)(struct k_itimer *timr, ktime_t expires, 26 bool absolute, bool sigev_none); 27 }; 28 29 extern const struct k_clock clock_posix_cpu; 30 extern const struct k_clock clock_posix_dynamic; 31 extern const struct k_clock clock_process; 32 extern const struct k_clock clock_thread; 33 extern const struct k_clock alarm_clock; 34 35 int posix_timer_event(struct k_itimer *timr, int si_private); 36 37 void common_timer_get(struct k_itimer *timr, struct itimerspec64 *cur_setting); 38 int common_timer_set(struct k_itimer *timr, int flags, 39 struct itimerspec64 *new_setting, 40 struct itimerspec64 *old_setting); 41 int common_timer_del(struct k_itimer *timer); 42