#ifndef __TIME_MEASURE_H
#define __TIME_MEASURE_H
#include
class time_measure{
public:
/**
* Get the current time
*/
time_measure();
/**
* Calculate the time range(microseconds,i.e.10e-6 second)
* and reset the tv_ to current time
*/
long int time_range();
private:
timeva l tv_;
};
#endif
#include "time_measure.h"
time_measure::time_measure(){
gettimeofday(&tv_,0);
}
long int time_measure::time_range(){
timeva l tv;
gettimeofday(&tv,0);
long int diff = (tv.tv_sec-tv_.tv_sec)*1000000+(tv.tv_usec-tv_.tv_usec);
gettimeofday(&tv_,0);
return diff;
}
调用代码很简单：
class test{
public:
void print(){
cout<<"print OK"< } }; int main(){ time_measure t; my_application& my_app = my_application_singleton_holder::Instance(); my_app.insert_property("test",shared_ptr any a = my_app.get_property("test"); any_cast cout<<"time is:"< } 摘自：sheismylife专栏