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      1 /* Copyright (C) 1995-1997,1999,2007,2009,2011 Free Software Foundation, Inc.
      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
      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.
      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
     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