freebsd-skq/contrib/ntp/kernel/sys/ppsclock.h
1999-12-09 13:01:21 +00:00

65 lines
2.6 KiB
C

/*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66.
*
* Copyright (c) 1992 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
* 4. The name of the University may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef TIOCGPPSEV
#define PPSCLOCKSTR "ppsclock"
#ifndef HAVE_STRUCT_PPSCLOCKEV
struct ppsclockev {
struct timeval tv;
u_int serial;
};
#endif
#if defined(__STDC__) || defined(SYS_HPUX)
#ifdef _IOR
#define CIOGETEV _IOR('C', 0, struct ppsclockev) /* get last pps event */
#else /* XXX SOLARIS is different */
#define CIO ('C'<<8)
#define CIOGETEV (CIO|0) /* get last pps event */
#endif /* _IOR */
#else /* __STDC__ */
#ifdef _IOR
#define CIOGETEV _IOR(C, 0, struct ppsclockev) /* get last pps event */
#else /* XXX SOLARIS is different */
#define CIO ('C'<<8)
#define CIOGETEV (CIO|0) /* get last pps event */
#endif /* _IOR */
#endif /* __STDC__ */
#else
#define CIOGETEV TIOCGPPSEV
#endif