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* Copyright 2008 Free Software Foundation, Inc.
* This software is distributed under the terms of the GNU Public License.
* See the COPYING file in the main directory for details.
* This use of this software may be subject to additional restrictions.
* See the LEGAL file in the main directory for details.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <>.
#include "Timeval.h"
using namespace std;
void Timeval::future(unsigned offset)
unsigned sec = offset/1000;
unsigned msec = offset%1000;
mTimeval.tv_usec += msec*1000;
mTimeval.tv_sec += sec;
if (mTimeval.tv_usec>1000000) {
mTimeval.tv_usec -= 1000000;
mTimeval.tv_sec += 1;
struct timespec Timeval::timespec() const
struct timespec retVal;
retVal.tv_sec = mTimeval.tv_sec;
retVal.tv_nsec = 1000 * (long)mTimeval.tv_usec;
return retVal;
bool Timeval::passed() const
Timeval nowTime;
if (nowTime.mTimeval.tv_sec < mTimeval.tv_sec) return false;
if (nowTime.mTimeval.tv_sec > mTimeval.tv_sec) return true;
if (nowTime.mTimeval.tv_usec > mTimeval.tv_usec) return true;
return false;
double Timeval::seconds() const
return ((double)mTimeval.tv_sec) + 1e-6*((double)mTimeval.tv_usec);
long Timeval::delta(const Timeval& other) const
// 2^31 milliseconds is just over 4 years.
long deltaS = other.sec() - sec();
long deltaUs = other.usec() - usec();
return 1000*deltaS + deltaUs/1000;
ostream& operator<<(ostream& os, const Timeval& tv)
os.setf( ios::fixed, ios::floatfield );
os << tv.seconds();
return os;
ostream& operator<<(ostream& os, const struct timespec& ts)
os << ts.tv_sec << "," << ts.tv_nsec;
return os;
// vim: ts=4 sw=4
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