dist/ntp/kernel/sys/ppsclock.h

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * This software was developed by the Computer Systems Engineering group
   5  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66.
   6  *
   7  * Copyright (c) 1992 The Regents of the University of California.
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *      This product includes software developed by the University of
  21  *      California, Lawrence Berkeley Laboratory.
  22  * 4. The name of the University may not be used to endorse or promote
  23  *    products derived from this software without specific prior
  24  *    written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  */
  38
  39 #ifndef TIOCGPPSEV
  40 #define PPSCLOCKSTR     "ppsclock"
  41
  42 #ifndef HAVE_STRUCT_PPSCLOCKEV
  43 struct ppsclockev {
  44         struct timeval tv;
  45         u_int serial;
  46 };
  47 #endif
  48
  49 #if defined(__STDC__) || defined(SYS_HPUX)
  50 #ifdef  _IOR
  51 #define CIOGETEV        _IOR('C', 0, struct ppsclockev) /* get last pps event */
  52 #else   /* XXX SOLARIS is different */
  53 #define CIO     ('C'<<8)
  54 #define CIOGETEV        (CIO|0)         /* get last pps event */
  55 #endif  /* _IOR */
  56 #else   /* __STDC__ */
  57 #ifdef  _IOR
  58 #define CIOGETEV        _IOR(C, 0, struct ppsclockev)   /* get last pps event */
  59 #else   /* XXX SOLARIS is different */
  60 #define CIO     ('C'<<8)
  61 #define CIOGETEV        (CIO|0)         /* get last pps event */
  62 #endif  /* _IOR */
  63 #endif  /* __STDC__ */
  64 #else
  65 #define CIOGETEV TIOCGPPSEV
  66 #endif