posix-timers.h (1909B)
1/* SPDX-License-Identifier: GPL-2.0 */ 2#define TIMER_RETRY 1 3 4struct 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 /* Returns the clock value in the current time namespace. */ 10 int (*clock_get_timespec)(const clockid_t which_clock, 11 struct timespec64 *tp); 12 /* Returns the clock value in the root time namespace. */ 13 ktime_t (*clock_get_ktime)(const clockid_t which_clock); 14 int (*clock_adj)(const clockid_t which_clock, struct __kernel_timex *tx); 15 int (*timer_create)(struct k_itimer *timer); 16 int (*nsleep)(const clockid_t which_clock, int flags, 17 const struct timespec64 *); 18 int (*timer_set)(struct k_itimer *timr, int flags, 19 struct itimerspec64 *new_setting, 20 struct itimerspec64 *old_setting); 21 int (*timer_del)(struct k_itimer *timr); 22 void (*timer_get)(struct k_itimer *timr, 23 struct itimerspec64 *cur_setting); 24 void (*timer_rearm)(struct k_itimer *timr); 25 s64 (*timer_forward)(struct k_itimer *timr, ktime_t now); 26 ktime_t (*timer_remaining)(struct k_itimer *timr, ktime_t now); 27 int (*timer_try_to_cancel)(struct k_itimer *timr); 28 void (*timer_arm)(struct k_itimer *timr, ktime_t expires, 29 bool absolute, bool sigev_none); 30 void (*timer_wait_running)(struct k_itimer *timr); 31}; 32 33extern const struct k_clock clock_posix_cpu; 34extern const struct k_clock clock_posix_dynamic; 35extern const struct k_clock clock_process; 36extern const struct k_clock clock_thread; 37extern const struct k_clock alarm_clock; 38 39int posix_timer_event(struct k_itimer *timr, int si_private); 40 41void common_timer_get(struct k_itimer *timr, struct itimerspec64 *cur_setting); 42int common_timer_set(struct k_itimer *timr, int flags, 43 struct itimerspec64 *new_setting, 44 struct itimerspec64 *old_setting); 45int common_timer_del(struct k_itimer *timer);