1#define TIMER_RETRY 1 2 3struct 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 const struct timespec64 *); 14 int (*timer_set)(struct k_itimer *timr, int flags, 15 struct itimerspec64 *new_setting, 16 struct itimerspec64 *old_setting); 17 int (*timer_del)(struct k_itimer *timr); 18 void (*timer_get)(struct k_itimer *timr, 19 struct itimerspec64 *cur_setting); 20 void (*timer_rearm)(struct k_itimer *timr); 21 int (*timer_forward)(struct k_itimer *timr, ktime_t now); 22 ktime_t (*timer_remaining)(struct k_itimer *timr, ktime_t now); 23 int (*timer_try_to_cancel)(struct k_itimer *timr); 24 void (*timer_arm)(struct k_itimer *timr, ktime_t expires, 25 bool absolute, bool sigev_none); 26}; 27 28extern const struct k_clock clock_posix_cpu; 29extern const struct k_clock clock_posix_dynamic; 30extern const struct k_clock clock_process; 31extern const struct k_clock clock_thread; 32extern const struct k_clock alarm_clock; 33 34int posix_timer_event(struct k_itimer *timr, int si_private); 35 36void common_timer_get(struct k_itimer *timr, struct itimerspec64 *cur_setting); 37int common_timer_set(struct k_itimer *timr, int flags, 38 struct itimerspec64 *new_setting, 39 struct itimerspec64 *old_setting); 40int common_timer_del(struct k_itimer *timer); 41