68 lines
2 KiB
C++
68 lines
2 KiB
C++
/*
|
|
* Copyright (c) 2011 Juli Mallett. 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 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 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 <sys/types.h>
|
|
#include <sys/time.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
|
|
#include <common/time/time.h>
|
|
|
|
NanoTime
|
|
NanoTime::current_time(void)
|
|
{
|
|
NanoTime nt;
|
|
int rv;
|
|
|
|
#if defined(_POSIX_TIMERS) && (_POSIX_TIMERS > 0)
|
|
struct timespec ts;
|
|
|
|
rv = ::clock_gettime(CLOCK_MONOTONIC, &ts);
|
|
ASSERT("/nano/time/posix", rv != -1);
|
|
|
|
nt.seconds_ = ts.tv_sec;
|
|
nt.nanoseconds_ = ts.tv_nsec;
|
|
#else
|
|
struct timeval tv;
|
|
|
|
rv = ::gettimeofday(&tv, NULL);
|
|
ASSERT("/nano/time/gtod", rv != -1);
|
|
nt.seconds_ = tv.tv_sec;
|
|
nt.nanoseconds_ = tv.tv_usec * 1000;
|
|
#endif
|
|
|
|
return (nt);
|
|
}
|
|
|
|
void
|
|
NanoTime::sleep(int ms)
|
|
{
|
|
struct timespec ts;
|
|
|
|
ts.tv_sec = ms / 1000;
|
|
ts.tv_nsec = (ms - ts.tv_sec) * 1000000;
|
|
|
|
nanosleep(&ts, NULL);
|
|
}
|