chaco_seconds.cpp File Reference

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

Go to the source code of this file.

Functions
double	chaco_seconds (void)

Function Documentation

chaco_seconds()

double chaco_seconds

(

void

)

Definition at line 10 of file chaco_seconds.cpp.

                          {
 
   double    curtime;
 
#ifdef RUSAGE_SELF
 
/* This timer is faster and more robust (if it exists). */
    struct rusage rusage;
    /*int getrusage(); commenting this out. not sure why it's there anymore
    *as it clobbers the prototype int getrusag(int target,rusage* results) which 
    *is defined in the <sys/time.h> and <sys/resource.h> header files. Leaving it 
    *for reference in case we have a problem here in the future*/
 
    getrusage(RUSAGE_SELF, &rusage);
    curtime = ((rusage.ru_utime.tv_sec + rusage.ru_stime.tv_sec) +
       1.0e-6 * (rusage.ru_utime.tv_usec + rusage.ru_stime.tv_usec));
 
#else
 
/* ANSI timer, but lower resolution & wraps around after ~36 minutes. */
 
    curtime = clock()/((double) CLOCKS_PER_SEC);
 
#endif
 
    return (curtime);
}