time.h

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#ifndef __KERNEL_TIME_H__
#define __KERNEL_TIME_H__
 
#include <stdbool.h>
#include <time.h>
 
#include <common/list.h>
 
typedef int64_t ktime_t;
 
struct timer {
    int id;
    int flags;
    bool enabled;
    struct sigevent sev;
    struct itimerspec setting;
    struct itimerspec ret_time; /* For returning current time */
    struct timespec counter;    /* Internal countdown counter */
    struct thread_info *thread; /* The thread that the timer belongs to */
    struct list_head g_list;    /* Linked to the global timer list */
    struct list_head list;      /* Linked to the thread timer list */
};
 
void timer_up_count(struct timespec *time);
void timer_down_count(struct timespec *time);
void time_add(struct timespec *time, time_t sec, long nsec);
void get_sys_time(struct timespec *tp);
void set_sys_time(const struct timespec *tp);
void get_realtime(struct timespec *tp);
void set_realtime(const struct timespec *tp);
void system_timer_update(void);
 
ktime_t ktime_get(void);
 
#endif