source: azure_iot_hub/trunk/musl-1.1.18/include/sys/timex.h@ 388

#ifndef _SYS_TIMEX_H
#define _SYS_TIMEX_H

#ifdef __cplusplus
extern "C" {
#endif

#define __NEED_clockid_t

#include <bits/alltypes.h>

#include <sys/time.h>

struct ntptimeval {
        struct timeval time;
        long maxerror, esterror;
};

struct timex {
        unsigned modes;
        long offset, freq, maxerror, esterror;
        int status;
        long constant, precision, tolerance;
        struct timeval time;
        long tick, ppsfreq, jitter;
        int shift;
        long stabil, jitcnt, calcnt, errcnt, stbcnt;
        int tai;
        int __padding[11];
};

#define ADJ_OFFSET              0x0001
#define ADJ_FREQUENCY           0x0002
#define ADJ_MAXERROR            0x0004
#define ADJ_ESTERROR            0x0008
#define ADJ_STATUS              0x0010
#define ADJ_TIMECONST           0x0020
#define ADJ_TAI                 0x0080
#define ADJ_SETOFFSET           0x0100
#define ADJ_MICRO               0x1000
#define ADJ_NANO                0x2000
#define ADJ_TICK                0x4000
#define ADJ_OFFSET_SINGLESHOT   0x8001
#define ADJ_OFFSET_SS_READ      0xa001

#define MOD_OFFSET      ADJ_OFFSET
#define MOD_FREQUENCY   ADJ_FREQUENCY
#define MOD_MAXERROR    ADJ_MAXERROR
#define MOD_ESTERROR    ADJ_ESTERROR
#define MOD_STATUS      ADJ_STATUS
#define MOD_TIMECONST   ADJ_TIMECONST
#define MOD_CLKB        ADJ_TICK
#define MOD_CLKA        ADJ_OFFSET_SINGLESHOT
#define MOD_TAI         ADJ_TAI
#define MOD_MICRO       ADJ_MICRO
#define MOD_NANO        ADJ_NANO

#define STA_PLL         0x0001
#define STA_PPSFREQ     0x0002
#define STA_PPSTIME     0x0004
#define STA_FLL         0x0008

#define STA_INS         0x0010
#define STA_DEL         0x0020
#define STA_UNSYNC      0x0040
#define STA_FREQHOLD    0x0080

#define STA_PPSSIGNAL   0x0100
#define STA_PPSJITTER   0x0200
#define STA_PPSWANDER   0x0400
#define STA_PPSERROR    0x0800

#define STA_CLOCKERR    0x1000
#define STA_NANO        0x2000
#define STA_MODE        0x4000
#define STA_CLK         0x8000

#define STA_RONLY (STA_PPSSIGNAL | STA_PPSJITTER | STA_PPSWANDER | \
    STA_PPSERROR | STA_CLOCKERR | STA_NANO | STA_MODE | STA_CLK)

#define TIME_OK         0
#define TIME_INS        1
#define TIME_DEL        2
#define TIME_OOP        3
#define TIME_WAIT       4
#define TIME_ERROR      5
#define TIME_BAD        TIME_ERROR

#define MAXTC           6

int adjtimex(struct timex *);
int clock_adjtime(clockid_t, struct timex *);

#ifdef __cplusplus
}
#endif

#endif