1 #ifndef _LINUX_NTP_INTERNAL_H 2 #define _LINUX_NTP_INTERNAL_H 3 4 extern void ntp_init(void); 5 extern void ntp_clear(void); 6 /* Returns how long ticks are at present, in ns / 2^NTP_SCALE_SHIFT. */ 7 extern u64 ntp_tick_length(void); 8 extern int second_overflow(unsigned long secs); 9 extern int ntp_validate_timex(struct timex *); 10 extern int __do_adjtimex(struct timex *, struct timespec *, s32 *); 11 extern void __hardpps(const struct timespec *, const struct timespec *); 12 #endif /* _LINUX_NTP_INTERNAL_H */ 13