ntp.c File Reference

#include <linux/capability.h>
#include <linux/clocksource.h>
#include <linux/workqueue.h>
#include <linux/hrtimer.h>
#include <linux/jiffies.h>
#include <linux/math64.h>
#include <linux/timex.h>
#include <linux/time.h>
#include <linux/mm.h>
#include <linux/module.h>
#include "tick-internal.h"

Go to the source code of this file.

Macros
#define	MAX_TICKADJ   500LL /* usecs */
#define	MAX_TICKADJ_SCALED   (((MAX_TICKADJ * NSEC_PER_USEC) << NTP_SCALE_SHIFT) / NTP_INTERVAL_FREQ)

Functions
	DEFINE_SPINLOCK (ntp_lock)
void	ntp_clear (void)
u64	ntp_tick_length (void)
int	second_overflow (unsigned long secs)
int	do_adjtimex (struct timex *txc)
	__setup ("ntp_tick_adj=", ntp_tick_adj_setup)
void __init	ntp_init (void)

Variables
unsigned long	tick_usec = TICK_USEC
unsigned long	tick_nsec

Macro Definition Documentation

#define MAX_TICKADJ   500LL /* usecs */

Definition at line 37 of file ntp.c.

#define MAX_TICKADJ_SCALED   (((MAX_TICKADJ * NSEC_PER_USEC) << NTP_SCALE_SHIFT) / NTP_INTERVAL_FREQ)

Definition at line 38 of file ntp.c.

Function Documentation

__setup

(

)

DEFINE_SPINLOCK

(

ntp_lock

)

int do_adjtimex

(

struct timex *

txc

)

Definition at line 620 of file ntp.c.

void ntp_clear

(

void

)

ntp_clear - Clears the NTP state variables

Definition at line 346 of file ntp.c.

void __init ntp_init

(

void

)

Definition at line 964 of file ntp.c.

u64 ntp_tick_length

(

void

)

Definition at line 369 of file ntp.c.

int second_overflow

(

unsigned long

secs

)

Definition at line 391 of file ntp.c.

Variable Documentation

unsigned long tick_nsec

Definition at line 32 of file ntp.c.

unsigned long tick_usec = TICK_USEC

Definition at line 29 of file ntp.c.