1/* Internal declarations for sys/timex.h.
2 Copyright (C) 2014-2020 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
26libc_hidden_proto (__adjtimex)
27
28# include <time.h>
29# include <struct___timeval64.h>
30/* Local definition of 64 bit time supporting timex struct */
31# if __TIMESIZE == 64
32# define __timex64 timex
33# define __clock_adjtime64 __clock_adjtime
34# define ___adjtimex64 ___adjtimex
35# define __ntptimeval64 ntptimeval
36# define __ntp_gettime64 __ntp_gettime
37# define __ntp_gettimex64 __ntp_gettimex
38# else
39
40struct __timex64
41{
42 unsigned int modes; /* mode selector */
43 int :32; /* pad */
44 long long int offset; /* time offset (usec) */
45 long long int freq; /* frequency offset (scaled ppm) */
46 long long int maxerror; /* maximum error (usec) */
47 long long int esterror; /* estimated error (usec) */
48 int status; /* clock command/status */
49 int :32; /* pad */
50 long long int constant; /* pll time constant */
51 long long int precision; /* clock precision (usec) (read only) */
52 long long int tolerance; /* clock frequency tolerance (ppm) (ro) */
53 struct __timeval64 time; /* (read only, except for ADJ_SETOFFSET) */
54 long long int tick; /* (modified) usecs between clock ticks */
55 long long int ppsfreq; /* pps frequency (scaled ppm) (ro) */
56 long long int jitter; /* pps jitter (us) (ro) */
57 int shift; /* interval duration (s) (shift) (ro) */
58 int :32; /* pad */
59 long long int stabil; /* pps stability (scaled ppm) (ro) */
60 long long int jitcnt; /* jitter limit exceeded (ro) */
61 long long int calcnt; /* calibration intervals (ro) */
62 long long int errcnt; /* calibration errors (ro) */
63 long long int stbcnt; /* stability limit exceeded (ro) */
64
65 int tai; /* TAI offset (ro) */
66
67 int :32;
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};
79extern int __clock_adjtime64 (const clockid_t clock_id, struct __timex64 *tx64);
80libc_hidden_proto (__clock_adjtime64);
81extern int ___adjtimex64 (struct __timex64 *tx64);
82libc_hidden_proto (___adjtimex64)
83
84struct __ntptimeval64
85{
86 struct __timeval64 time; /* current time (ro) */
87 long int maxerror; /* maximum error (us) (ro) */
88 long int esterror; /* estimated error (us) (ro) */
89 long int tai; /* TAI offset (ro) */
90
91 long int __glibc_reserved1;
92 long int __glibc_reserved2;
93 long int __glibc_reserved3;
94 long int __glibc_reserved4;
95};
96extern int __ntp_gettime64 (struct __ntptimeval64 *ntv);
97libc_hidden_proto (__ntp_gettime64)
98extern int __ntp_gettimex64 (struct __ntptimeval64 *ntv);
99libc_hidden_proto (__ntp_gettimex64)
100
101# endif
102
103/* Convert a known valid struct timex into a struct __timex64. */
104static inline struct __timex64
105valid_timex_to_timex64 (const struct timex tx)
106{
107 struct __timex64 tx64;
108
109 tx64.modes = tx.modes;
110 tx64.offset = tx.offset;
111 tx64.freq = tx.freq;
112 tx64.maxerror = tx.maxerror;
113 tx64.esterror = tx.esterror;
114 tx64.status = tx.status;
115 tx64.constant = tx.constant;
116 tx64.precision = tx.precision;
117 tx64.tolerance = tx.tolerance;
118 tx64.time = valid_timeval_to_timeval64 (tx.time);
119 tx64.tick = tx.tick;
120 tx64.ppsfreq = tx.ppsfreq;
121 tx64.jitter = tx.jitter;
122 tx64.shift = tx.shift;
123 tx64.stabil = tx.stabil;
124 tx64.jitcnt = tx.jitcnt;
125 tx64.calcnt = tx.calcnt;
126 tx64.errcnt = tx.errcnt;
127 tx64.stbcnt = tx.stbcnt;
128 tx64.tai = tx.tai;
129
130 return tx64;
131}
132
133/* Convert a known valid struct __timex64 into a struct timex. */
134static inline struct timex
135valid_timex64_to_timex (const struct __timex64 tx64)
136{
137 struct timex tx;
138
139 tx.modes = tx64.modes;
140 tx.offset = tx64.offset;
141 tx.freq = tx64.freq;
142 tx.maxerror = tx64.maxerror;
143 tx.esterror = tx64.esterror;
144 tx.status = tx64.status;
145 tx.constant = tx64.constant;
146 tx.precision = tx64.precision;
147 tx.tolerance = tx64.tolerance;
148 tx.time = valid_timeval64_to_timeval (tx64.time);
149 tx.tick = tx64.tick;
150 tx.ppsfreq = tx64.ppsfreq;
151 tx.jitter = tx64.jitter;
152 tx.shift = tx64.shift;
153 tx.stabil = tx64.stabil;
154 tx.jitcnt = tx64.jitcnt;
155 tx.calcnt = tx64.calcnt;
156 tx.errcnt = tx64.errcnt;
157 tx.stbcnt = tx64.stbcnt;
158 tx.tai = tx64.tai;
159
160 return tx;
161}
162
163/* Convert a known valid struct ntptimeval into a struct __ntptimeval64. */
164static inline struct __ntptimeval64
165valid_ntptimeval_to_ntptimeval64 (const struct ntptimeval ntv)
166{
167 struct __ntptimeval64 ntv64;
168
169 ntv64.time = valid_timeval_to_timeval64 (ntv.time);
170 ntv64.maxerror = ntv.maxerror;
171 ntv64.esterror = ntv.esterror;
172 ntv64.tai = ntv.tai;
173 ntv64.__glibc_reserved1 = 0;
174 ntv64.__glibc_reserved2 = 0;
175 ntv64.__glibc_reserved3 = 0;
176 ntv64.__glibc_reserved4 = 0;
177
178 return ntv64;
179}
180
181/* Convert a known valid struct __ntptimeval64 into a struct ntptimeval. */
182static inline struct ntptimeval
183valid_ntptimeval64_to_ntptimeval (const struct __ntptimeval64 ntp64)
184{
185 struct ntptimeval ntp;
186
187 ntp.time = valid_timeval64_to_timeval (ntp64.time);
188 ntp.maxerror = ntp64.maxerror;
189 ntp.esterror = ntp64.esterror;
190 ntp.tai = ntp64.tai;
191 ntp.__glibc_reserved1 = 0;
192 ntp.__glibc_reserved2 = 0;
193 ntp.__glibc_reserved3 = 0;
194 ntp.__glibc_reserved4 = 0;
195
196 return ntp;
197}
198# endif /* _ISOMAC */
199#endif /* sys/timex.h */
200