Contributors: 10
Author Tokens Token Proportion Commits Commit Proportion
George Anzinger 140 37.43% 1 2.94%
Thomas Gleixner 114 30.48% 17 50.00%
Roland McGrath 34 9.09% 1 2.94%
Christoph Lameter 29 7.75% 2 5.88%
Christoph Hellwig 18 4.81% 1 2.94%
Richard Cochran 14 3.74% 3 8.82%
Deepa Dinamani 11 2.94% 5 14.71%
Andrey Vagin 9 2.41% 2 5.88%
John Stultz 4 1.07% 1 2.94%
Greg Kroah-Hartman 1 0.27% 1 2.94%
Total 374 34


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

enum posix_timer_state {
	POSIX_TIMER_DISARMED,
	POSIX_TIMER_ARMED,
	POSIX_TIMER_REQUEUE_PENDING,
};

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;
extern const struct k_clock clock_aux;

void posix_timer_queue_signal(struct k_itimer *timr);

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);
void posix_timer_set_common(struct k_itimer *timer, struct itimerspec64 *new_setting);
int common_timer_del(struct k_itimer *timer);