ppsclock.h revision 256281
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 65