[linux-2.6-block.git] / kernel / time / posix-timers.h

/* 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);
	int	(*clock_get)(const clockid_t which_clock,
			     struct timespec64 *tp);
	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);
};

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);
Commit	Line	Data
	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 __kernel_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);