diff options
Diffstat (limited to 'sys/cddl/compat/opensolaris/sys/time.h')
| -rw-r--r-- | sys/cddl/compat/opensolaris/sys/time.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/sys/cddl/compat/opensolaris/sys/time.h b/sys/cddl/compat/opensolaris/sys/time.h new file mode 100644 index 000000000000..64dd9bb9f918 --- /dev/null +++ b/sys/cddl/compat/opensolaris/sys/time.h @@ -0,0 +1,94 @@ +/*- + * 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_ + +#include_next <sys/time.h> + +#define SEC 1 +#define MILLISEC 1000 +#define MICROSEC 1000000 +#define NANOSEC 1000000000 +#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)) + +#ifdef _KERNEL +static __inline hrtime_t +gethrtime(void) { + + struct timespec ts; + hrtime_t nsec; + + getnanouptime(&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 /* _KERNEL */ + +#endif /* !_OPENSOLARIS_SYS_TIME_H_ */ |