source: branches/with_autoconf/test_regression/20122006/chrono.h @ 23

#ifndef __CHRONO_H__
#define __CHRONO_H__

#include <sys/time.h>
#include <sys/resource.h>
#include <unistd.h>

struct chrono_t {
        unsigned int sec;
        chrono_t () 
        {
                sec = 0;
        }
        void start () 
        {
                struct rusage usage;
                getrusage(RUSAGE_SELF, &usage);
                sec = usage.ru_utime.tv_sec;
        }
        void cont () 
        {
                struct rusage usage;
                getrusage(RUSAGE_SELF, &usage);
                sec = usage.ru_utime.tv_sec - sec;
        }
        void stop ()
        {
                cont ();
        }
        operator unsigned int () const
        { return sec; } 
        friend std::ostream& operator << (std::ostream& o, const chrono_t &c)
        {
                return o << c.sec << "sec";
        }
};

#endif