olivechess Code

#include <sys/time.h>
#include <ctime>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <time.h>
#include "Platform.h"
#include "Watch.h"
using namespace std;

#ifdef __MACH__
#include <sys/time.h>
//clock_gettime is not implemented on OSX
int clock_gettime(int /*clk_id*/, struct timespec* t) {
    struct timeval now;
    int rv = gettimeofday(&now, NULL);
    if (rv) return rv;
    t->tv_sec  = now.tv_sec;
    t->tv_nsec = now.tv_usec * 1000;
    return 0;
}
//CLOCK_REALTIME is not defined on OSX
#define CLOCK_REALTIME 0
#endif


Watch::Watch(void)
{
	Reset();
}

void Watch::Start() {
	//_startTime = GetTime();
	clock_gettime(CLOCK_REALTIME,&_startTime);
	_isRunning = true;
}

void Watch::Stop() {
	//_stopTime = GetTime();
	clock_gettime(CLOCK_REALTIME,&_stopTime);
	_isRunning = false;
}

void Watch::Reset(){
	struct timespec reset = {0,0};
	_startTime = _stopTime = reset;
	_isRunning = false;
}

// Get elapsed time in millisec
long Watch::GetElapsedTime(){
	if(_isRunning){
		struct timespec now;
		clock_gettime(CLOCK_REALTIME,&now);
		return diff(_startTime, now);
	}
	return diff(_startTime,_stopTime);
}

inline long diff(timespec t1, timespec t2)
{
	return (t2.tv_sec-t1.tv_sec)*1000 + (t2.tv_nsec-t1.tv_nsec)/1000000;
}

/*
inline long Watch::GetTime() {
	
	//struct _timeb t;
	//ftime(&t);
	//return int(t.time * 1000 + t.millitm);
	
	struct timespec ts;
	clock_gettime(CLOCK_REALTIME,&ts);
	printf("ts.tv_sec=%d\n", ts.tv_sec);
	printf("ts.tv_nsec=%d\n", ts.tv_nsec);

	return long(ts.tv_sec*1000 + ts.tv_nsec/1000000);


	//return clock()*1000/CLOCKS_PER_SEC;
}
*/