00001 /*- 00002 * Copyright (c) 1982, 1986, 1993 00003 * The Regents of the University of California. All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions 00007 * are met: 00008 * 1. Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * 4. Neither the name of the University nor the names of its contributors 00014 * may be used to endorse or promote products derived from this software 00015 * without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 00018 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 00021 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00022 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00023 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00024 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00025 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00026 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00027 * SUCH DAMAGE. 00028 * 00029 * @(#)time.h 8.5 (Berkeley) 5/4/95 00030 * from: FreeBSD: src/sys/sys/time.h,v 1.43 2000/03/20 14:09:05 phk Exp 00031 * $FreeBSD: src/sys/sys/timespec.h,v 1.4 2005/01/07 02:29:24 imp Exp $ 00032 */ 00033 00034 /* 00035 * Prerequisites: <sys/cdefs.h>, <sys/_types.h> 00036 */ 00037 00038 #ifndef _SYS_TIMESPEC_H_ 00039 #define _SYS_TIMESPEC_H_ 00040 00041 #ifndef _TIME_T_DECLARED 00042 typedef __time_t time_t; 00043 #define _TIME_T_DECLARED 00044 #endif 00045 00046 struct timespec { 00047 time_t tv_sec; /* seconds */ 00048 long tv_nsec; /* and nanoseconds */ 00049 }; 00050 00051 #if __BSD_VISIBLE 00052 #define TIMEVAL_TO_TIMESPEC(tv, ts) \ 00053 do { \ 00054 (ts)->tv_sec = (tv)->tv_sec; \ 00055 (ts)->tv_nsec = (tv)->tv_usec * 1000; \ 00056 } while (0) 00057 #define TIMESPEC_TO_TIMEVAL(tv, ts) \ 00058 do { \ 00059 (tv)->tv_sec = (ts)->tv_sec; \ 00060 (tv)->tv_usec = (ts)->tv_nsec / 1000; \ 00061 } while (0) 00062 00063 #endif /* __BSD_VISIBLE */ 00064 00065 #endif /* _SYS_TIMESPEC_H_ */