rtems-libbsd/rtemsbsd/rtems/rtems-bsd-timesupport.c
2015-03-24 15:20:56 +01:00

97 lines
2.2 KiB
C

/**
* @file
*
* @ingroup rtems_bsd_rtems
*
* @brief TODO.
*/
/*
* COPYRIGHT (c) 2012.
* On-Line Applications Research Corporation (OAR).
* 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 AUTHOR 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 AUTHOR 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.
*/
#include <machine/rtems-bsd-kernel-space.h>
#include <sys/time.h>
#include <rtems/score/timespec.h>
/*
* Compute number of ticks in the specified amount of time.
*/
int
tvtohz(struct timeval *tv)
{
struct timespec ts;
ts.tv_sec = tv->tv_sec;
ts.tv_nsec = tv->tv_usec * 1000;
return (int) _Timespec_To_ticks( &ts );
}
void
binuptime(struct bintime *bt)
{
struct timeval tv;
rtems_clock_get_uptime_timeval(&tv);
timeval2bintime(&tv, bt);
}
void
bintime(struct bintime *bt)
{
struct timeval tv;
gettimeofday(&tv, NULL);
timeval2bintime(&tv, bt);
}
void
microtime(struct timeval *tvp)
{
gettimeofday(tvp, NULL);
}
void
getbinuptime(struct bintime *bt)
{
binuptime(bt);
}
void
getmicrouptime(struct timeval *tvp)
{
rtems_clock_get_uptime_timeval(tvp);
}
void
getmicrotime(struct timeval *tvp)
{
microtime(tvp);
}