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
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
/* Copyright (C) 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
struct timeval32
{
int tv_sec, tv_usec;
};
struct timex32 {
unsigned int modes; /* mode selector */
long offset; /* time offset (usec) */
long freq; /* frequency offset (scaled ppm) */
long maxerror; /* maximum error (usec) */
long esterror; /* estimated error (usec) */
int status; /* clock command/status */
long constant; /* pll time constant */
long precision; /* clock precision (usec) (read only) */
long tolerance; /* clock frequency tolerance (ppm)
* (read only)
*/
struct timeval32 time; /* (read only) */
long tick; /* (modified) usecs between clock ticks */
long ppsfreq; /* pps frequency (scaled ppm) (ro) */
long jitter; /* pps jitter (us) (ro) */
int shift; /* interval duration (s) (shift) (ro) */
long stabil; /* pps stability (scaled ppm) (ro) */
long jitcnt; /* jitter limit exceeded (ro) */
long calcnt; /* calibration intervals (ro) */
long errcnt; /* calibration errors (ro) */
long stbcnt; /* stability limit exceeded (ro) */
int :32; int :32; int :32; int :32;
int :32; int :32; int :32; int :32;
int :32; int :32; int :32; int :32;
};
#define TIMEVAL timeval32
#define TIMEX timex32
#define ADJTIME __adjtime_tv32
#define ADJTIMEX(x) __adjtimex_tv32 (x)
#if defined HAVE_ELF && defined PIC && defined DO_VERSIONING
#define LINKAGE
#else
#define LINKAGE static
#endif
LINKAGE int ADJTIME (const struct TIMEVAL *itv, struct TIMEVAL *otv);
extern int ADJTIMEX (struct TIMEX *);
#include <sysdeps/unix/sysv/linux/adjtime.c>
#if defined HAVE_ELF && defined PIC && defined DO_VERSIONING
symbol_version (__adjtime_tv32, adjtime, GLIBC_2.0);
#endif
#undef TIMEVAL
#define TIMEVAL timeval
#undef TIMEX
#define TIMEX timex
#undef ADJTIME
#define ADJTIME __adjtime_tv64
#undef ADJTIMEX
#define ADJTIMEX(x) __syscall_adjtimex_tv64 (x)
#undef LINKAGE
#define LINKAGE static
LINKAGE int ADJTIME (const struct TIMEVAL *itv, struct TIMEVAL *otv);
extern int ADJTIMEX (struct TIMEX *);
#include <sysdeps/unix/sysv/linux/adjtime.c>
static int missing_adjtimex = 0;
int
__adjtime (itv, otv)
const struct timeval *itv;
struct timeval *otv;
{
int ret;
if (!missing_adjtimex)
{
ret = __adjtime_tv64 (itv, otv);
if (ret && errno == ENOSYS)
missing_adjtimex = 1;
}
if (missing_adjtimex)
{
struct timeval32 itv32, otv32;
itv32.tv_sec = itv->tv_sec;
itv32.tv_usec = itv->tv_usec;
ret = __adjtime_tv32 (&itv32, &otv32);
if (ret == 0)
{
otv->tv_sec = otv32.tv_sec;
otv->tv_usec = otv32.tv_usec;
}
}
return ret;
}
#if defined HAVE_ELF && defined PIC && defined DO_VERSIONING
default_symbol_version (__adjtime, adjtime, GLIBC_2.1);
#else
weak_alias (__adjtime, adjtime);
#endif
extern int __syscall_adjtimex_tv64 (struct timex *tx);
int
__adjtimex_tv64 (struct timex *tx)
{
int ret;
if (!missing_adjtimex)
{
ret = __syscall_adjtimex_tv64 (tx);
if (ret && errno == ENOSYS)
missing_adjtimex = 1;
}
if (missing_adjtimex)
{
struct timex32 tx32;
tx32.modes = tx->modes;
tx32.offset = tx->offset;
tx32.freq = tx->freq;
tx32.maxerror = tx->maxerror;
tx32.esterror = tx->esterror;
tx32.status = tx->status;
tx32.constant = tx->constant;
tx32.precision = tx->precision;
tx32.tolerance = tx->tolerance;
tx32.time.tv_sec = tx->time.tv_sec;
tx32.time.tv_sec = tx->time.tv_usec;
tx32.tick = tx->tick;
tx32.ppsfreq = tx->ppsfreq;
tx32.jitter = tx->jitter;
tx32.shift = tx->shift;
tx32.stabil = tx->stabil;
tx32.jitcnt = tx->jitcnt;
tx32.calcnt = tx->calcnt;
tx32.errcnt = tx->errcnt;
tx32.stbcnt = tx->stbcnt;
ret = __adjtimex_tv32 (&tx32);
if (ret == 0)
{
tx->modes = tx32.modes;
tx->offset = tx32.offset;
tx->freq = tx32.freq;
tx->maxerror = tx32.maxerror;
tx->esterror = tx32.esterror;
tx->status = tx32.status;
tx->constant = tx32.constant;
tx->precision = tx32.precision;
tx->tolerance = tx32.tolerance;
tx->time.tv_sec = tx32.time.tv_sec;
tx->time.tv_usec = tx32.time.tv_sec;
tx->tick = tx32.tick;
tx->ppsfreq = tx32.ppsfreq;
tx->jitter = tx32.jitter;
tx->shift = tx32.shift;
tx->stabil = tx32.stabil;
tx->jitcnt = tx32.jitcnt;
tx->calcnt = tx32.calcnt;
tx->errcnt = tx32.errcnt;
tx->stbcnt = tx32.stbcnt;
}
}
return ret;
}
#if defined HAVE_ELF && defined PIC && defined DO_VERSIONING
strong_alias (__adjtimex_tv64, __adjtimex_tv64p);
default_symbol_version (__adjtimex_tv64, __adjtimex, GLIBC_2.1);
default_symbol_version (__adjtimex_tv64p, adjtimex, GLIBC_2.1);
#else
weak_alias (__adjtimex_tv64, __adjtimex);
weak_alias (__adjtimex_tv64, adjtimex);
#endif
|