unixtimer.cpp
上传用户:center1979
上传日期:2022-07-26
资源大小:50633k
文件大小:1k
- // unixtimer.h
- //
- // Copyright (C) 2001, Chris Laurel <claurel@shatters.net>
- //
- // 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 2
- // of the License, or (at your option) any later version.
- #include <sys/time.h>
- #include <unistd.h>
- #include "timer.h"
- class UnixTimer : public Timer
- {
- public:
- UnixTimer();
- ~UnixTimer();
- double getTime() const;
- void reset();
- private:
- double start;
- };
- UnixTimer::UnixTimer()
- {
- reset();
- }
- UnixTimer::~UnixTimer()
- {
- }
- double UnixTimer::getTime() const
- {
- struct timeval t;
- gettimeofday(&t, NULL);
- return (double) t.tv_sec + (double) t.tv_usec / 1000000.0 - start;
- }
- void UnixTimer::reset()
- {
- struct timeval t;
- gettimeofday(&t, NULL);
- start = (double) t.tv_sec + (double) t.tv_usec / 1000000.0;
- }
- Timer* CreateTimer()
- {
- return new UnixTimer();
- }