#ifndef HWCLOCK_CLOCK_H
#define HWCLOCK_CLOCK_H
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <time.h>
#include "c.h"
enum {
RTC_BUSYWAIT_OK = 0,
RTC_BUSYWAIT_FAILED,
RTC_BUSYWAIT_TIMEOUT
};
struct hwclock_control {
char *date_opt;
char *adj_file_name;
#if defined(__linux__) && defined(__alpha__)
unsigned long epoch_option;
#endif
#ifdef __linux__
char *rtc_dev_name;
#endif
unsigned int debug;
unsigned int
hwaudit_on:1,
adjust:1,
show:1,
hctosys:1,
utc:1,
systohc:1,
#if defined(__linux__) && defined(__alpha__)
getepoch:1,
setepoch:1,
#endif
noadjfile:1,
local_opt:1,
directisa:1,
testing:1,
systz:1,
predict:1,
get:1,
set:1,
update:1,
universal:1; /* will store hw_clock_is_utc() return value */
};
struct clock_ops {
char *interface_name;
int (*get_permissions) (void);
int (*read_hardware_clock) (const struct hwclock_control *ctl, struct tm * tm);
int (*set_hardware_clock) (const struct hwclock_control *ctl, const struct tm * tm);
int (*synchronize_to_clock_tick) (const struct hwclock_control *ctl);
};
extern struct clock_ops *probe_for_cmos_clock(void);
extern struct clock_ops *probe_for_rtc_clock(const struct hwclock_control *ctl);
typedef int bool;
/* hwclock.c */
extern int debug;
extern unsigned long epoch_option;
extern double time_diff(struct timeval subtrahend, struct timeval subtractor);
/* rtc.c */
#if defined(__linux__) && defined(__alpha__)
extern int get_epoch_rtc(const struct hwclock_control *ctl, unsigned long *epoch);
extern int set_epoch_rtc(const struct hwclock_control *ctl);
#endif
extern void hwclock_exit(const struct hwclock_control *ctl, int status);
#endif /* HWCLOCK_CLOCK_H */
