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44422d11 | 1 | /* Copyright (C) 1998,2000,2002,2003,2004,2006 Free Software Foundation, Inc. |
d958c121 UD |
2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
3214b89b AJ |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
d958c121 UD |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
3214b89b | 12 | Lesser General Public License for more details. |
d958c121 | 13 | |
3214b89b | 14 | You should have received a copy of the GNU Lesser General Public |
ab84e3ff PE |
15 | License along with the GNU C Library. If not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
d958c121 | 17 | |
0772663d | 18 | #include <shlib-compat.h> |
ebcd2cd1 RH |
19 | #include <sysdep.h> |
20 | #include <sys/time.h> | |
44422d11 | 21 | #include <kernel-features.h> |
0772663d | 22 | |
ebcd2cd1 | 23 | #if !defined __ASSUME_TIMEVAL64 || SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1) |
d958c121 UD |
24 | struct timeval32 |
25 | { | |
26 | int tv_sec, tv_usec; | |
27 | }; | |
28 | ||
29 | struct timex32 { | |
30 | unsigned int modes; /* mode selector */ | |
31 | long offset; /* time offset (usec) */ | |
32 | long freq; /* frequency offset (scaled ppm) */ | |
33 | long maxerror; /* maximum error (usec) */ | |
34 | long esterror; /* estimated error (usec) */ | |
35 | int status; /* clock command/status */ | |
36 | long constant; /* pll time constant */ | |
37 | long precision; /* clock precision (usec) (read only) */ | |
38 | long tolerance; /* clock frequency tolerance (ppm) | |
39 | * (read only) | |
40 | */ | |
41 | struct timeval32 time; /* (read only) */ | |
42 | long tick; /* (modified) usecs between clock ticks */ | |
43 | ||
44 | long ppsfreq; /* pps frequency (scaled ppm) (ro) */ | |
45 | long jitter; /* pps jitter (us) (ro) */ | |
46 | int shift; /* interval duration (s) (shift) (ro) */ | |
47 | long stabil; /* pps stability (scaled ppm) (ro) */ | |
48 | long jitcnt; /* jitter limit exceeded (ro) */ | |
49 | long calcnt; /* calibration intervals (ro) */ | |
50 | long errcnt; /* calibration errors (ro) */ | |
51 | long stbcnt; /* stability limit exceeded (ro) */ | |
52 | ||
53 | int :32; int :32; int :32; int :32; | |
54 | int :32; int :32; int :32; int :32; | |
55 | int :32; int :32; int :32; int :32; | |
56 | }; | |
57 | ||
58 | #define TIMEVAL timeval32 | |
59 | #define TIMEX timex32 | |
36727f22 | 60 | #define ADJTIME attribute_compat_text_section __adjtime_tv32 |
ebcd2cd1 | 61 | #define ADJTIMEX(x) INLINE_SYSCALL (old_adjtimex, 1, x) |
cfbf1a2f | 62 | #define ADJTIMEX32(x) INLINE_SYSCALL (old_adjtimex, 1, x) |
0772663d | 63 | #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1) |
d958c121 UD |
64 | #define LINKAGE |
65 | #else | |
66 | #define LINKAGE static | |
67 | #endif | |
68 | ||
69 | LINKAGE int ADJTIME (const struct TIMEVAL *itv, struct TIMEVAL *otv); | |
d958c121 UD |
70 | |
71 | #include <sysdeps/unix/sysv/linux/adjtime.c> | |
72 | ||
0772663d | 73 | #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1) |
36727f22 UD |
74 | int |
75 | attribute_compat_text_section | |
76 | __adjtimex_tv32 (struct timex32 *tx) { return ADJTIMEX (tx); } | |
ebcd2cd1 RH |
77 | strong_alias (__adjtimex_tv32, __adjtimex_tv32_1); |
78 | strong_alias (__adjtimex_tv32, __adjtimex_tv32_2); | |
79 | compat_symbol (libc, __adjtimex_tv32_1, __adjtimex, GLIBC_2_0); | |
80 | compat_symbol (libc, __adjtimex_tv32_2, adjtimex, GLIBC_2_0); | |
4a88ca46 | 81 | compat_symbol (libc, __adjtime_tv32, adjtime, GLIBC_2_0); |
d958c121 | 82 | #endif |
ebcd2cd1 | 83 | #endif /* !__ASSUME_TIMEVAL64 || SHLIB_COMPAT */ |
d958c121 UD |
84 | |
85 | #undef TIMEVAL | |
86 | #define TIMEVAL timeval | |
87 | #undef TIMEX | |
88 | #define TIMEX timex | |
d958c121 | 89 | #undef ADJTIMEX |
ebcd2cd1 | 90 | #define ADJTIMEX(x) INLINE_SYSCALL (adjtimex, 1, x) |
36f86ab9 | 91 | |
d958c121 | 92 | #undef LINKAGE |
36f86ab9 RH |
93 | #undef ADJTIME |
94 | #if !defined __ASSUME_TIMEVAL64 | |
d958c121 | 95 | #define LINKAGE static |
36f86ab9 RH |
96 | #define ADJTIME __adjtime_tv64 |
97 | #endif | |
d958c121 UD |
98 | |
99 | #include <sysdeps/unix/sysv/linux/adjtime.c> | |
ebcd2cd1 RH |
100 | #include <stdbool.h> |
101 | ||
102 | #if !defined __ASSUME_TIMEVAL64 | |
103 | static bool missing_adjtimex; | |
d958c121 UD |
104 | |
105 | int | |
106 | __adjtime (itv, otv) | |
107 | const struct timeval *itv; | |
108 | struct timeval *otv; | |
109 | { | |
ebcd2cd1 | 110 | struct timeval32 itv32, otv32; |
d958c121 UD |
111 | int ret; |
112 | ||
ebcd2cd1 | 113 | switch (missing_adjtimex) |
d958c121 | 114 | { |
ebcd2cd1 | 115 | case false: |
d958c121 UD |
116 | ret = __adjtime_tv64 (itv, otv); |
117 | if (ret && errno == ENOSYS) | |
118 | missing_adjtimex = 1; | |
ebcd2cd1 RH |
119 | else |
120 | break; | |
d958c121 | 121 | |
ebcd2cd1 | 122 | /* FALLTHRU */ |
d958c121 | 123 | |
ebcd2cd1 | 124 | default: |
d958c121 UD |
125 | itv32.tv_sec = itv->tv_sec; |
126 | itv32.tv_usec = itv->tv_usec; | |
127 | ret = __adjtime_tv32 (&itv32, &otv32); | |
128 | if (ret == 0) | |
129 | { | |
130 | otv->tv_sec = otv32.tv_sec; | |
131 | otv->tv_usec = otv32.tv_usec; | |
132 | } | |
ebcd2cd1 | 133 | break; |
d958c121 UD |
134 | } |
135 | ||
136 | return ret; | |
137 | } | |
ebcd2cd1 | 138 | #endif |
d958c121 | 139 | |
0772663d | 140 | versioned_symbol (libc, __adjtime, adjtime, GLIBC_2_1); |
d958c121 | 141 | |
d958c121 | 142 | int |
9ba8164e | 143 | __adjtimex_tv64 (struct timex *tx) |
d958c121 | 144 | { |
ebcd2cd1 RH |
145 | #if defined __ASSUME_TIMEVAL64 |
146 | return ADJTIMEX (tx); | |
147 | #else | |
148 | struct timex32 tx32; | |
d958c121 UD |
149 | int ret; |
150 | ||
ebcd2cd1 RH |
151 | switch (missing_adjtimex) |
152 | { | |
153 | case false: | |
154 | ret = ADJTIMEX (tx); | |
155 | if (ret && errno == ENOSYS) | |
d958c121 | 156 | missing_adjtimex = 1; |
ebcd2cd1 RH |
157 | else |
158 | break; | |
d958c121 | 159 | |
ebcd2cd1 | 160 | /* FALLTHRU */ |
d958c121 | 161 | |
ebcd2cd1 | 162 | default: |
d958c121 UD |
163 | tx32.modes = tx->modes; |
164 | tx32.offset = tx->offset; | |
165 | tx32.freq = tx->freq; | |
166 | tx32.maxerror = tx->maxerror; | |
167 | tx32.esterror = tx->esterror; | |
168 | tx32.status = tx->status; | |
169 | tx32.constant = tx->constant; | |
170 | tx32.precision = tx->precision; | |
171 | tx32.tolerance = tx->tolerance; | |
172 | tx32.time.tv_sec = tx->time.tv_sec; | |
173 | tx32.time.tv_sec = tx->time.tv_usec; | |
174 | tx32.tick = tx->tick; | |
175 | tx32.ppsfreq = tx->ppsfreq; | |
176 | tx32.jitter = tx->jitter; | |
177 | tx32.shift = tx->shift; | |
178 | tx32.stabil = tx->stabil; | |
179 | tx32.jitcnt = tx->jitcnt; | |
180 | tx32.calcnt = tx->calcnt; | |
181 | tx32.errcnt = tx->errcnt; | |
182 | tx32.stbcnt = tx->stbcnt; | |
183 | ||
cfbf1a2f | 184 | ret = ADJTIMEX32 (&tx32); |
d958c121 UD |
185 | if (ret == 0) |
186 | { | |
187 | tx->modes = tx32.modes; | |
188 | tx->offset = tx32.offset; | |
189 | tx->freq = tx32.freq; | |
190 | tx->maxerror = tx32.maxerror; | |
191 | tx->esterror = tx32.esterror; | |
192 | tx->status = tx32.status; | |
193 | tx->constant = tx32.constant; | |
194 | tx->precision = tx32.precision; | |
195 | tx->tolerance = tx32.tolerance; | |
196 | tx->time.tv_sec = tx32.time.tv_sec; | |
197 | tx->time.tv_usec = tx32.time.tv_sec; | |
198 | tx->tick = tx32.tick; | |
199 | tx->ppsfreq = tx32.ppsfreq; | |
200 | tx->jitter = tx32.jitter; | |
201 | tx->shift = tx32.shift; | |
202 | tx->stabil = tx32.stabil; | |
203 | tx->jitcnt = tx32.jitcnt; | |
204 | tx->calcnt = tx32.calcnt; | |
205 | tx->errcnt = tx32.errcnt; | |
206 | tx->stbcnt = tx32.stbcnt; | |
207 | } | |
ebcd2cd1 | 208 | break; |
d958c121 UD |
209 | } |
210 | ||
211 | return ret; | |
ebcd2cd1 | 212 | #endif |
d958c121 UD |
213 | } |
214 | ||
4def79b5 | 215 | strong_alias (__adjtimex_tv64, __adjtimex_internal); |
d958c121 | 216 | strong_alias (__adjtimex_tv64, __adjtimex_tv64p); |
b8cce412 | 217 | weak_alias (__adjtimex_tv64, ntp_adjtime); |
0772663d UD |
218 | versioned_symbol (libc, __adjtimex_tv64, __adjtimex, GLIBC_2_1); |
219 | versioned_symbol (libc, __adjtimex_tv64p, adjtimex, GLIBC_2_1); |