about summary refs log tree commit diff
path: root/sysdeps/unix/sysv/linux/sys/timex.h
blob: 568748d7679211fdbbd3d1f4d4a73b28920e56e5 (plain) (blame)
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
/* Copyright (C) 1995-2024 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 Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#ifndef	_SYS_TIMEX_H
#define	_SYS_TIMEX_H	1

#include <features.h>
#include <sys/time.h>

/* These definitions from linux/timex.h as of 2.6.30.  */

#include <bits/timex.h>

#define NTP_API	4	/* NTP API version */

struct ntptimeval
{
  struct timeval time;	/* current time (ro) */
  long int maxerror;	/* maximum error (us) (ro) */
  long int esterror;	/* estimated error (us) (ro) */
  long int tai;		/* TAI offset (ro) */

  long int __glibc_reserved1;
  long int __glibc_reserved2;
  long int __glibc_reserved3;
  long int __glibc_reserved4;
};

/* Clock states (time_state) */
#define TIME_OK		0	/* clock synchronized, no leap second */
#define TIME_INS	1	/* insert leap second */
#define TIME_DEL	2	/* delete leap second */
#define TIME_OOP	3	/* leap second in progress */
#define TIME_WAIT	4	/* leap second has occurred */
#define TIME_ERROR	5	/* clock not synchronized */
#define TIME_BAD	TIME_ERROR /* bw compat */

/* Maximum time constant of the PLL.  */
#define MAXTC		6

__BEGIN_DECLS

#ifndef __USE_TIME64_REDIRECTS
extern int adjtimex (struct timex *__ntx) __THROW __nonnull ((1));
extern int ntp_gettimex (struct ntptimeval *__ntv) __THROW __nonnull ((1));

# ifdef __REDIRECT_NTH
extern int __REDIRECT_NTH (ntp_gettime, (struct ntptimeval *__ntv),
                           ntp_gettimex) __nonnull ((1));
# else
#  define ntp_gettime ntp_gettimex
# endif
extern int ntp_adjtime (struct timex *__tntx) __THROW __nonnull ((1));
#else
# ifdef __REDIRECT_NTH
extern int __REDIRECT_NTH (adjtimex, (struct timex *__ntx),
                           ___adjtimex64) __nonnull ((1));
extern int __REDIRECT_NTH (ntp_gettime, (struct ntptimeval *__ntv),
                           __ntp_gettime64) __nonnull ((1));
extern int __REDIRECT_NTH (ntp_gettimex, (struct ntptimeval *__ntv),
                           __ntp_gettimex64) __nonnull ((1));
extern int __REDIRECT_NTH (ntp_adjtime, (struct timex *__ntx),
                           ___adjtimex64) __nonnull ((1));
# else
#  define adjtimex ___adjtimex64
#  define ntp_adjtime ___adjtimex64
#  define ntp_gettime __ntp_gettime64
#  define ntp_gettimex __ntp_gettimex64
# endif
#endif

__END_DECLS

#endif /* sys/timex.h */