1 /* Internal declarations for sys/timex.h.
2 Copyright (C) 2014-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19 #ifndef _INCLUDE_SYS_TIMEX_H
20 #define _INCLUDE_SYS_TIMEX_H 1
21
22 #include_next <sys/timex.h>
23
24 # ifndef _ISOMAC
25
26 extern int __adjtimex (struct timex *__ntx) __nonnull ((1));
27 libc_hidden_proto (__adjtimex)
28
29 # include <time.h>
30 # include <struct___timeval64.h>
31 /* Local definition of 64 bit time supporting timex struct */
32 # if __TIMESIZE == 64
33 # define __timex64 timex
34 # define __clock_adjtime64 __clock_adjtime
35 # define ___adjtimex64 ___adjtimex
36 # define __ntptimeval64 ntptimeval
37 # define __ntp_gettime64 __ntp_gettime
38 # define __ntp_gettimex64 __ntp_gettimex
39 # else
40
41 struct __timex64
42 {
43 unsigned int modes; /* mode selector */
44 int :32; /* pad */
45 long long int offset; /* time offset (usec) */
46 long long int freq; /* frequency offset (scaled ppm) */
47 long long int maxerror; /* maximum error (usec) */
48 long long int esterror; /* estimated error (usec) */
49 int status; /* clock command/status */
50 int :32; /* pad */
51 long long int constant; /* pll time constant */
52 long long int precision; /* clock precision (usec) (read only) */
53 long long int tolerance; /* clock frequency tolerance (ppm) (ro) */
54 struct __timeval64 time; /* (read only, except for ADJ_SETOFFSET) */
55 long long int tick; /* (modified) usecs between clock ticks */
56 long long int ppsfreq; /* pps frequency (scaled ppm) (ro) */
57 long long int jitter; /* pps jitter (us) (ro) */
58 int shift; /* interval duration (s) (shift) (ro) */
59 int :32; /* pad */
60 long long int stabil; /* pps stability (scaled ppm) (ro) */
61 long long int jitcnt; /* jitter limit exceeded (ro) */
62 long long int calcnt; /* calibration intervals (ro) */
63 long long int errcnt; /* calibration errors (ro) */
64 long long int stbcnt; /* stability limit exceeded (ro) */
65
66 int tai; /* TAI offset (ro) */
67
68 int :32;
69 int :32;
70 int :32;
71 int :32;
72 int :32;
73 int :32;
74 int :32;
75 int :32;
76 int :32;
77 int :32;
78 int :32;
79 };
80 extern int __clock_adjtime64 (const clockid_t clock_id, struct __timex64 *tx64) __nonnull((2));
81 libc_hidden_proto (__clock_adjtime64);
82 extern int ___adjtimex64 (struct __timex64 *tx64) __nonnull ((1));
83 libc_hidden_proto (___adjtimex64)
84
85 struct __ntptimeval64
86 {
87 struct __timeval64 time; /* current time (ro) */
88 long int maxerror; /* maximum error (us) (ro) */
89 long int esterror; /* estimated error (us) (ro) */
90 long int tai; /* TAI offset (ro) */
91
92 long int __glibc_reserved1;
93 long int __glibc_reserved2;
94 long int __glibc_reserved3;
95 long int __glibc_reserved4;
96 };
97 extern int __ntp_gettime64 (struct __ntptimeval64 *ntv) __nonnull ((1));
98 libc_hidden_proto (__ntp_gettime64)
99 extern int __ntp_gettimex64 (struct __ntptimeval64 *ntv) __nonnull ((1));
100 libc_hidden_proto (__ntp_gettimex64)
101
102 # endif
103
104 /* Convert a known valid struct timex into a struct __timex64. */
105 static inline struct __timex64
106 valid_timex_to_timex64 (const struct timex tx)
107 {
108 struct __timex64 tx64;
109
110 tx64.modes = tx.modes;
111 tx64.offset = tx.offset;
112 tx64.freq = tx.freq;
113 tx64.maxerror = tx.maxerror;
114 tx64.esterror = tx.esterror;
115 tx64.status = tx.status;
116 tx64.constant = tx.constant;
117 tx64.precision = tx.precision;
118 tx64.tolerance = tx.tolerance;
119 tx64.time = valid_timeval_to_timeval64 (tx.time);
120 tx64.tick = tx.tick;
121 tx64.ppsfreq = tx.ppsfreq;
122 tx64.jitter = tx.jitter;
123 tx64.shift = tx.shift;
124 tx64.stabil = tx.stabil;
125 tx64.jitcnt = tx.jitcnt;
126 tx64.calcnt = tx.calcnt;
127 tx64.errcnt = tx.errcnt;
128 tx64.stbcnt = tx.stbcnt;
129 tx64.tai = tx.tai;
130
131 return tx64;
132 }
133
134 /* Convert a known valid struct __timex64 into a struct timex. */
135 static inline struct timex
136 valid_timex64_to_timex (const struct __timex64 tx64)
137 {
138 struct timex tx;
139
140 tx.modes = tx64.modes;
141 tx.offset = tx64.offset;
142 tx.freq = tx64.freq;
143 tx.maxerror = tx64.maxerror;
144 tx.esterror = tx64.esterror;
145 tx.status = tx64.status;
146 tx.constant = tx64.constant;
147 tx.precision = tx64.precision;
148 tx.tolerance = tx64.tolerance;
149 tx.time = valid_timeval64_to_timeval (tx64.time);
150 tx.tick = tx64.tick;
151 tx.ppsfreq = tx64.ppsfreq;
152 tx.jitter = tx64.jitter;
153 tx.shift = tx64.shift;
154 tx.stabil = tx64.stabil;
155 tx.jitcnt = tx64.jitcnt;
156 tx.calcnt = tx64.calcnt;
157 tx.errcnt = tx64.errcnt;
158 tx.stbcnt = tx64.stbcnt;
159 tx.tai = tx64.tai;
160
161 return tx;
162 }
163
164 /* Convert a known valid struct ntptimeval into a struct __ntptimeval64. */
165 static inline struct __ntptimeval64
166 valid_ntptimeval_to_ntptimeval64 (const struct ntptimeval ntv)
167 {
168 struct __ntptimeval64 ntv64;
169
170 ntv64.time = valid_timeval_to_timeval64 (ntv.time);
171 ntv64.maxerror = ntv.maxerror;
172 ntv64.esterror = ntv.esterror;
173 ntv64.tai = ntv.tai;
174 ntv64.__glibc_reserved1 = 0;
175 ntv64.__glibc_reserved2 = 0;
176 ntv64.__glibc_reserved3 = 0;
177 ntv64.__glibc_reserved4 = 0;
178
179 return ntv64;
180 }
181
182 /* Convert a known valid struct __ntptimeval64 into a struct ntptimeval. */
183 static inline struct ntptimeval
184 valid_ntptimeval64_to_ntptimeval (const struct __ntptimeval64 ntp64)
185 {
186 struct ntptimeval ntp;
187
188 ntp.time = valid_timeval64_to_timeval (ntp64.time);
189 ntp.maxerror = ntp64.maxerror;
190 ntp.esterror = ntp64.esterror;
191 ntp.tai = ntp64.tai;
192 ntp.__glibc_reserved1 = 0;
193 ntp.__glibc_reserved2 = 0;
194 ntp.__glibc_reserved3 = 0;
195 ntp.__glibc_reserved4 = 0;
196
197 return ntp;
198 }
199 # endif /* _ISOMAC */
200 #endif /* sys/timex.h */