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#ifndef _SYS_TIMEX_H
#define _SYS_TIMEX_H
#include <sys/cdefs.h>
#include <sys/types.h>
__BEGIN_DECLS
struct timex {
uint32_t modes; /* mode selector */
long int offset; /* time offset (usec) */
long int freq; /* frequency offset (scaled ppm) */
long int maxerror; /* maximum error (usec) */
long int esterror; /* estimated error (usec) */
int32_t status; /* clock command/status */
long int constant; /* pll time constant */
long int precision; /* clock precision (usec) (read only) */
long int tolerance; /* clock frequency tolerance (ppm) (read only) */
struct timeval time; /* (read only) */
long int tick; /* (modified) usecs between clock ticks */
long int ppsfreq; /* pps frequency (scaled ppm) (ro) */
long int jitter; /* pps jitter (us) (ro) */
int32_t shift; /* interval duration (s) (shift) (ro) */
long int stabil; /* pps stability (scaled ppm) (ro) */
long int jitcnt; /* jitter limit exceeded (ro) */
long int calcnt; /* calibration intervals (ro) */
long int errcnt; /* calibration errors (ro) */
long int stbcnt; /* stability limit exceeded (ro) */
/* ??? */
int32_t :32; int32_t :32; int32_t :32; int32_t :32;
int32_t :32; int32_t :32; int32_t :32; int32_t :32;
int32_t :32; int32_t :32; int32_t :32; int32_t :32;
};
#define ADJ_OFFSET 0x0001 /* time offset */
#define ADJ_FREQUENCY 0x0002 /* frequency offset */
#define ADJ_MAXERROR 0x0004 /* maximum time error */
#define ADJ_ESTERROR 0x0008 /* estimated time error */
#define ADJ_STATUS 0x0010 /* clock status */
#define ADJ_TIMECONST 0x0020 /* pll time constant */
#define ADJ_TICK 0x4000 /* tick value */
#define ADJ_OFFSET_SINGLESHOT 0x8001 /* old-fashioned adjtime */
#define TIME_OK 0 /* clock synchronized */
#define TIME_INS 1 /* insert leap second */
#define TIME_DEL 2 /* delete leap second */
#define TIME_OOP 3 /* leap second in progress */
#define TIME_WAIT 4 /* leap second has occurred */
#define TIME_BAD 5 /* clock not synchronized */
int adjtimex(struct timex *buf);
__END_DECLS
#endif
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