1168404Spjd/*- 2168404Spjd * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org> 3168404Spjd * All rights reserved. 4168404Spjd * 5168404Spjd * Redistribution and use in source and binary forms, with or without 6168404Spjd * modification, are permitted provided that the following conditions 7168404Spjd * are met: 8168404Spjd * 1. Redistributions of source code must retain the above copyright 9168404Spjd * notice, this list of conditions and the following disclaimer. 10168404Spjd * 2. Redistributions in binary form must reproduce the above copyright 11168404Spjd * notice, this list of conditions and the following disclaimer in the 12168404Spjd * documentation and/or other materials provided with the distribution. 13168404Spjd * 14168404Spjd * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 15168404Spjd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16168404Spjd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17168404Spjd * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 18168404Spjd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19168404Spjd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20168404Spjd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21168404Spjd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22168404Spjd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23168404Spjd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24168404Spjd * SUCH DAMAGE. 25168404Spjd * 26168404Spjd * $FreeBSD$ 27168404Spjd */ 28168404Spjd 29168404Spjd#ifndef _OPENSOLARIS_SYS_TIME_H_ 30168404Spjd#define _OPENSOLARIS_SYS_TIME_H_ 31168404Spjd 32168404Spjd#include_next <sys/time.h> 33168404Spjd 34174036Sjb#define SEC 1 35174036Sjb#define MILLISEC 1000 36174036Sjb#define MICROSEC 1000000 37174036Sjb#define NANOSEC 1000000000 38248575Ssmh#define TIME_MAX LLONG_MAX 39174036Sjb 40255437Sdelphij#define MSEC2NSEC(m) ((hrtime_t)(m) * (NANOSEC / MILLISEC)) 41255437Sdelphij#define NSEC2MSEC(n) ((n) / (NANOSEC / MILLISEC)) 42255437Sdelphij 43174036Sjbtypedef longlong_t hrtime_t; 44174036Sjb 45202964Sdelphij#if defined(__i386__) || defined(__powerpc__) 46185029Spjd#define TIMESPEC_OVERFLOW(ts) \ 47185029Spjd ((ts)->tv_sec < INT32_MIN || (ts)->tv_sec > INT32_MAX) 48202964Sdelphij#else 49202964Sdelphij#define TIMESPEC_OVERFLOW(ts) \ 50202964Sdelphij ((ts)->tv_sec < INT64_MIN || (ts)->tv_sec > INT64_MAX) 51202964Sdelphij#endif 52185029Spjd 53247265Smm#define SEC_TO_TICK(sec) ((sec) * hz) 54247265Smm#define NSEC_TO_TICK(usec) ((usec) / (NANOSEC / hz)) 55247265Smm 56168404Spjd#ifdef _KERNEL 57168404Spjdstatic __inline hrtime_t 58168404Spjdgethrtime(void) { 59168404Spjd 60168404Spjd struct timespec ts; 61168404Spjd hrtime_t nsec; 62168404Spjd 63221991Savg getnanouptime(&ts); 64168404Spjd nsec = (hrtime_t)ts.tv_sec * NANOSEC + ts.tv_nsec; 65168404Spjd return (nsec); 66168404Spjd} 67168404Spjd 68168404Spjd#define gethrestime_sec() (time_second) 69168404Spjd#define gethrestime(ts) getnanotime(ts) 70219089Spjd#define gethrtime_waitfree() gethrtime() 71168404Spjd 72222670Savgextern int nsec_per_tick; /* nanoseconds per clock tick */ 73219089Spjd 74222670Savgstatic __inline int64_t 75222670Savgddi_get_lbolt64(void) 76222670Savg{ 77222670Savg 78222670Savg return (gethrtime() / nsec_per_tick); 79222670Savg} 80222670Savg 81222670Savgstatic __inline clock_t 82222670Savgddi_get_lbolt(void) 83222670Savg{ 84222670Savg 85222670Savg return (ddi_get_lbolt64()); 86222670Savg} 87222670Savg 88174036Sjb#else 89174036Sjb 90174036Sjbstatic __inline hrtime_t gethrtime(void) { 91174036Sjb struct timespec ts; 92174036Sjb clock_gettime(CLOCK_UPTIME,&ts); 93174036Sjb return (((u_int64_t) ts.tv_sec) * NANOSEC + ts.tv_nsec); 94174036Sjb} 95174036Sjb 96168404Spjd#endif /* _KERNEL */ 97168404Spjd 98168404Spjd#endif /* !_OPENSOLARIS_SYS_TIME_H_ */ 99