/contrib/ntp/kernel/sys/ppsclock.h

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