1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
| | #include <sys/timex.h>
#include <time.h>
#include <errno.h>
#include "syscall.h"
#define IS32BIT(x) !((x)+0x80000000ULL>>32)
struct ktimex64 {
unsigned modes;
int :32;
long long offset, freq, maxerror, esterror;
int status;
int :32;
long long constant, precision, tolerance;
long long time_sec, time_usec;
long long tick, ppsfreq, jitter;
int shift;
int :32;
long long stabil, jitcnt, calcnt, errcnt, stbcnt;
int tai;
int __padding[11];
};
struct ktimex {
unsigned modes;
long offset, freq, maxerror, esterror;
int status;
long constant, precision, tolerance;
long time_sec, time_usec;
long tick, ppsfreq, jitter;
int shift;
long stabil, jitcnt, calcnt, errcnt, stbcnt;
int tai;
int __padding[11];
};
int clock_adjtime (clockid_t clock_id, struct timex *utx)
{
int r = -ENOSYS;
#ifdef SYS_clock_adjtime64
struct ktimex64 ktx = {
.modes = utx->modes,
.offset = utx->offset,
.freq = utx->freq,
.maxerror = utx->maxerror,
.esterror = utx->esterror,
.status = utx->status,
.constant = utx->constant,
.precision = utx->precision,
.tolerance = utx->tolerance,
.time_sec = utx->time.tv_sec,
.time_usec = utx->time.tv_usec,
.tick = utx->tick,
.ppsfreq = utx->ppsfreq,
.jitter = utx->jitter,
.shift = utx->shift,
.stabil = utx->stabil,
.jitcnt = utx->jitcnt,
.calcnt = utx->calcnt,
.errcnt = utx->errcnt,
.stbcnt = utx->stbcnt,
.tai = utx->tai,
};
r = __syscall(SYS_clock_adjtime64, clock_id, &ktx);
if (r>=0) {
utx->modes = ktx.modes;
utx->offset = ktx.offset;
utx->freq = ktx.freq;
utx->maxerror = ktx.maxerror;
utx->esterror = ktx.esterror;
utx->status = ktx.status;
utx->constant = ktx.constant;
utx->precision = ktx.precision;
utx->tolerance = ktx.tolerance;
utx->time.tv_sec = ktx.time_sec;
utx->time.tv_usec = ktx.time_usec;
utx->tick = ktx.tick;
utx->ppsfreq = ktx.ppsfreq;
utx->jitter = ktx.jitter;
utx->shift = ktx.shift;
utx->stabil = ktx.stabil;
utx->jitcnt = ktx.jitcnt;
utx->calcnt = ktx.calcnt;
utx->errcnt = ktx.errcnt;
utx->stbcnt = ktx.stbcnt;
utx->tai = ktx.tai;
}
if (SYS_clock_adjtime == SYS_clock_adjtime64 || r!=-ENOSYS)
return __syscall_ret(r);
if ((utx->modes & ADJ_SETOFFSET) && !IS32BIT(utx->time.tv_sec))
return __syscall_ret(-ENOTSUP);
#endif
if (sizeof(time_t) > sizeof(long)) {
struct ktimex ktx = {
.modes = utx->modes,
.offset = utx->offset,
.freq = utx->freq,
.maxerror = utx->maxerror,
.esterror = utx->esterror,
.status = utx->status,
.constant = utx->constant,
.precision = utx->precision,
.tolerance = utx->tolerance,
.time_sec = utx->time.tv_sec,
.time_usec = utx->time.tv_usec,
.tick = utx->tick,
.ppsfreq = utx->ppsfreq,
.jitter = utx->jitter,
.shift = utx->shift,
.stabil = utx->stabil,
.jitcnt = utx->jitcnt,
.calcnt = utx->calcnt,
.errcnt = utx->errcnt,
.stbcnt = utx->stbcnt,
.tai = utx->tai,
};
r = __syscall(SYS_clock_adjtime, clock_id, &ktx);
#ifdef SYS_adjtimex
if (r == -ENOSYS && clock_id == CLOCK_REALTIME)
r = __syscall(SYS_adjtimex, &ktx);
#endif
if (r>=0) {
utx->modes = ktx.modes;
utx->offset = ktx.offset;
utx->freq = ktx.freq;
utx->maxerror = ktx.maxerror;
utx->esterror = ktx.esterror;
utx->status = ktx.status;
utx->constant = ktx.constant;
utx->precision = ktx.precision;
utx->tolerance = ktx.tolerance;
utx->time.tv_sec = ktx.time_sec;
utx->time.tv_usec = ktx.time_usec;
utx->tick = ktx.tick;
utx->ppsfreq = ktx.ppsfreq;
utx->jitter = ktx.jitter;
utx->shift = ktx.shift;
utx->stabil = ktx.stabil;
utx->jitcnt = ktx.jitcnt;
utx->calcnt = ktx.calcnt;
utx->errcnt = ktx.errcnt;
utx->stbcnt = ktx.stbcnt;
utx->tai = ktx.tai;
}
return __syscall_ret(r);
}
r = __syscall(SYS_clock_adjtime, clock_id, utx);
#ifdef SYS_adjtimex
if (r == -ENOSYS && clock_id == CLOCK_REALTIME)
r = __syscall(SYS_adjtimex, utx);
#endif
return __syscall_ret(r);
}
|