1#include <sys/timex.h>
2#include <time.h>
3#include <errno.h>
4#include "syscall.h"
5
6#define IS32BIT(x) !((x)+0x80000000ULL>>32)
7
8struct ktimex64 {
9 unsigned modes;
10 int :32;
11 long long offset, freq, maxerror, esterror;
12 int status;
13 int :32;
14 long long constant, precision, tolerance;
15 long long time_sec, time_usec;
16 long long tick, ppsfreq, jitter;
17 int shift;
18 int :32;
19 long long stabil, jitcnt, calcnt, errcnt, stbcnt;
20 int tai;
21 int __padding[11];
22};
23
24struct ktimex {
25 unsigned modes;
26 long offset, freq, maxerror, esterror;
27 int status;
28 long constant, precision, tolerance;
29 long time_sec, time_usec;
30 long tick, ppsfreq, jitter;
31 int shift;
32 long stabil, jitcnt, calcnt, errcnt, stbcnt;
33 int tai;
34 int __padding[11];
35};
36
37int clock_adjtime (clockid_t clock_id, struct timex *utx)
38{
39 int r = -ENOSYS;
40#ifdef SYS_clock_adjtime64
41 struct ktimex64 ktx = {
42 .modes = utx->modes,
43 .offset = utx->offset,
44 .freq = utx->freq,
45 .maxerror = utx->maxerror,
46 .esterror = utx->esterror,
47 .status = utx->status,
48 .constant = utx->constant,
49 .precision = utx->precision,
50 .tolerance = utx->tolerance,
51 .time_sec = utx->time.tv_sec,
52 .time_usec = utx->time.tv_usec,
53 .tick = utx->tick,
54 .ppsfreq = utx->ppsfreq,
55 .jitter = utx->jitter,
56 .shift = utx->shift,
57 .stabil = utx->stabil,
58 .jitcnt = utx->jitcnt,
59 .calcnt = utx->calcnt,
60 .errcnt = utx->errcnt,
61 .stbcnt = utx->stbcnt,
62 .tai = utx->tai,
63 };
64 r = __syscall(SYS_clock_adjtime64, clock_id, &ktx);
65 if (r>=0) {
66 utx->modes = ktx.modes;
67 utx->offset = ktx.offset;
68 utx->freq = ktx.freq;
69 utx->maxerror = ktx.maxerror;
70 utx->esterror = ktx.esterror;
71 utx->status = ktx.status;
72 utx->constant = ktx.constant;
73 utx->precision = ktx.precision;
74 utx->tolerance = ktx.tolerance;
75 utx->time.tv_sec = ktx.time_sec;
76 utx->time.tv_usec = ktx.time_usec;
77 utx->tick = ktx.tick;
78 utx->ppsfreq = ktx.ppsfreq;
79 utx->jitter = ktx.jitter;
80 utx->shift = ktx.shift;
81 utx->stabil = ktx.stabil;
82 utx->jitcnt = ktx.jitcnt;
83 utx->calcnt = ktx.calcnt;
84 utx->errcnt = ktx.errcnt;
85 utx->stbcnt = ktx.stbcnt;
86 utx->tai = ktx.tai;
87 }
88 if (SYS_clock_adjtime == SYS_clock_adjtime64 || r!=-ENOSYS)
89 return __syscall_ret(r);
90 if ((utx->modes & ADJ_SETOFFSET) && !IS32BIT(utx->time.tv_sec))
91 return __syscall_ret(-ENOTSUP);
92#endif
93 if (sizeof(time_t) > sizeof(long)) {
94 struct ktimex ktx = {
95 .modes = utx->modes,
96 .offset = utx->offset,
97 .freq = utx->freq,
98 .maxerror = utx->maxerror,
99 .esterror = utx->esterror,
100 .status = utx->status,
101 .constant = utx->constant,
102 .precision = utx->precision,
103 .tolerance = utx->tolerance,
104 .time_sec = utx->time.tv_sec,
105 .time_usec = utx->time.tv_usec,
106 .tick = utx->tick,
107 .ppsfreq = utx->ppsfreq,
108 .jitter = utx->jitter,
109 .shift = utx->shift,
110 .stabil = utx->stabil,
111 .jitcnt = utx->jitcnt,
112 .calcnt = utx->calcnt,
113 .errcnt = utx->errcnt,
114 .stbcnt = utx->stbcnt,
115 .tai = utx->tai,
116 };
117#ifdef SYS_adjtimex
118 if (clock_id==CLOCK_REALTIME) r = __syscall(SYS_adjtimex, &ktx);
119 else
120#endif
121 r = __syscall(SYS_clock_adjtime, clock_id, &ktx);
122 if (r>=0) {
123 utx->modes = ktx.modes;
124 utx->offset = ktx.offset;
125 utx->freq = ktx.freq;
126 utx->maxerror = ktx.maxerror;
127 utx->esterror = ktx.esterror;
128 utx->status = ktx.status;
129 utx->constant = ktx.constant;
130 utx->precision = ktx.precision;
131 utx->tolerance = ktx.tolerance;
132 utx->time.tv_sec = ktx.time_sec;
133 utx->time.tv_usec = ktx.time_usec;
134 utx->tick = ktx.tick;
135 utx->ppsfreq = ktx.ppsfreq;
136 utx->jitter = ktx.jitter;
137 utx->shift = ktx.shift;
138 utx->stabil = ktx.stabil;
139 utx->jitcnt = ktx.jitcnt;
140 utx->calcnt = ktx.calcnt;
141 utx->errcnt = ktx.errcnt;
142 utx->stbcnt = ktx.stbcnt;
143 utx->tai = ktx.tai;
144 }
145 return __syscall_ret(r);
146 }
147#ifdef SYS_adjtimex
148 if (clock_id==CLOCK_REALTIME) return syscall(SYS_adjtimex, utx);
149#endif
150 return syscall(SYS_clock_adjtime, clock_id, utx);
151}