| /* |
| * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org> |
| * 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHORS 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 AUTHORS 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. |
| * |
| * $FreeBSD$ |
| */ |
| |
| #ifndef _OPENSOLARIS_SYS_TIME_H_ |
| #define _OPENSOLARIS_SYS_TIME_H_ |
| #pragma once |
| #include_next <sys/time.h> |
| #include <sys/debug.h> |
| #ifndef _SYS_KERNEL_H_ |
| extern int hz; |
| #endif |
| |
| #define SEC 1 |
| #define MILLISEC 1000UL |
| #define MICROSEC 1000000UL |
| #define NANOSEC 1000000000UL |
| #define TIME_MAX LLONG_MAX |
| |
| #define MSEC2NSEC(m) ((hrtime_t)(m) * (NANOSEC / MILLISEC)) |
| #define NSEC2MSEC(n) ((n) / (NANOSEC / MILLISEC)) |
| |
| #define USEC2NSEC(m) ((hrtime_t)(m) * (NANOSEC / MICROSEC)) |
| #define NSEC2USEC(n) ((n) / (NANOSEC / MICROSEC)) |
| |
| #define NSEC2SEC(n) ((n) / (NANOSEC / SEC)) |
| #define SEC2NSEC(m) ((hrtime_t)(m) * (NANOSEC / SEC)) |
| |
| typedef longlong_t hrtime_t; |
| |
| #if defined(__i386__) || defined(__powerpc__) |
| #define TIMESPEC_OVERFLOW(ts) \ |
| ((ts)->tv_sec < INT32_MIN || (ts)->tv_sec > INT32_MAX) |
| #else |
| #define TIMESPEC_OVERFLOW(ts) \ |
| ((ts)->tv_sec < INT64_MIN || (ts)->tv_sec > INT64_MAX) |
| #endif |
| |
| #define SEC_TO_TICK(sec) ((sec) * hz) |
| #define NSEC_TO_TICK(nsec) ((nsec) / (NANOSEC / hz)) |
| |
| static __inline hrtime_t |
| gethrtime(void) |
| { |
| struct timespec ts; |
| hrtime_t nsec; |
| |
| nanouptime(&ts); |
| nsec = ((hrtime_t)ts.tv_sec * NANOSEC) + ts.tv_nsec; |
| return (nsec); |
| } |
| |
| #define gethrestime_sec() (time_second) |
| #define gethrestime(ts) getnanotime(ts) |
| #define gethrtime_waitfree() gethrtime() |
| |
| extern int nsec_per_tick; /* nanoseconds per clock tick */ |
| |
| #define ddi_get_lbolt64() \ |
| (int64_t)(((getsbinuptime() >> 16) * hz) >> 16) |
| #define ddi_get_lbolt() (clock_t)ddi_get_lbolt64() |
| |
| #else |
| |
| static __inline hrtime_t |
| gethrtime(void) |
| { |
| struct timespec ts; |
| clock_gettime(CLOCK_UPTIME, &ts); |
| return (((u_int64_t)ts.tv_sec) * NANOSEC + ts.tv_nsec); |
| } |
| #endif /* !_OPENSOLARIS_SYS_TIME_H_ */ |