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/*
* Copyright (c) 2003 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* 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;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
* OWNER 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.
*/
#ifndef __SIM_TIME_HH__
#define __SIM_TIME_HH__
#include <sys/time.h>
#include <iosfwd>
namespace Time {
struct _timeval;
class Start
{
private:
mutable _timeval *start;
public:
Start();
~Start();
const timeval &get() const;
void reset();
double operator()() const;
};
class Now
{
private:
mutable _timeval *now;
public:
Now();
~Now();
const timeval &get() const;
double operator()() const;
};
class Elapsed
{
private:
mutable _timeval *elapsed;
Start _start;
Now _now;
public:
Elapsed();
~Elapsed();
const timeval &get() const;
void reset();
double operator()() const;
};
extern Start start;
extern Now now;
extern Elapsed elapsed;
std::ostream &operator<<(std::ostream &out, const Start &start);
std::ostream &operator<<(std::ostream &out, const Now &now);
std::ostream &operator<<(std::ostream &out, const Elapsed &elapsed);
}
#endif // __SIM_TIME_HH__
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