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01: /* Copyright (C) 1995-1997,1999,2007,2009,2011 Free Software Foundation, Inc.
02:    This file is part of the GNU C Library.
03: 
04:    The GNU C Library is free software; you can redistribute it and/or
05:    modify it under the terms of the GNU Lesser General Public
06:    License as published by the Free Software Foundation; either
07:    version 2.1 of the License, or (at your option) any later version.
08: 
09:    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
12:    Lesser General Public License for more details.
13: 
14:    You should have received a copy of the GNU Lesser General Public
15:    License along with the GNU C Library; if not, write to the Free
16:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17:    02111-1307 USA.  */
18: 
19: #ifndef _SYS_TIMEX_H
20: #define _SYS_TIMEX_H    1
21: 
22: #include <features.h>
23: #include <sys/time.h>
24: 
25: /* These definitions from linux/timex.h as of 2.6.30.  */
26: 
27: #include <bits/timex.h>
28: 
29: #define NTP_API 4       /* NTP API version */
30: 
31: struct ntptimeval
32: {
33:   struct timeval time;  /* current time (ro) */
34:   long int maxerror;    /* maximum error (us) (ro) */
35:   long int esterror;    /* estimated error (us) (ro) */
36:   long int tai;         /* TAI offset (ro) */
37: 
38:   long int __unused1;
39:   long int __unused2;
40:   long int __unused3;
41:   long int __unused4;
42: };
43: 
44: /* Clock states (time_state) */
45: #define TIME_OK         0       /* clock synchronized, no leap second */
46: #define TIME_INS        1       /* insert leap second */
47: #define TIME_DEL        2       /* delete leap second */
48: #define TIME_OOP        3       /* leap second in progress */
49: #define TIME_WAIT       4       /* leap second has occurred */
50: #define TIME_ERROR      5       /* clock not synchronized */
51: #define TIME_BAD        TIME_ERROR /* bw compat */
52: 
53: /* Maximum time constant of the PLL.  */
54: #define MAXTC           6
55: 
56: __BEGIN_DECLS
57: 
58: extern int __adjtimex (struct timex *__ntx) __THROW;
59: extern int adjtimex (struct timex *__ntx) __THROW;
60: 
61: #ifdef __REDIRECT_NTH
62: extern int __REDIRECT_NTH (ntp_gettime, (struct ntptimeval *__ntv),
63:                            ntp_gettimex);
64: #else
65: extern int ntp_gettimex (struct ntptimeval *__ntv) __THROW;
66: # define ntp_gettime ntp_gettimex
67: #endif
68: extern int ntp_adjtime (struct timex *__tntx) __THROW;
69: 
70: __END_DECLS
71: 
72: #endif /* sys/timex.h */
73: 

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