BSD 4_2 release

[unix-history] / usr / src / lib / libc / compat-4.1 / times.c

/*      times.c 4.2     83/06/02        */

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

/*
* Backwards compatible times.
*/
struct tms {
       int     tms_utime;              /* user time */
       int     tms_stime;              /* system time */
       int     tms_cutime;             /* user time, children */
       int     tms_cstime;             /* system time, children */
};

times(tmsp)
       register struct tms *tmsp;
{
       struct rusage ru;

       if (getrusage(RUSAGE_SELF, &ru) < 0)
               return (-1);
       tmsp->tms_utime = scale60(&ru.ru_utime);
       tmsp->tms_stime = scale60(&ru.ru_stime);
       if (getrusage(RUSAGE_CHILDREN, &ru) < 0)
               return (-1);
       tmsp->tms_cutime = scale60(&ru.ru_utime);
       tmsp->tms_cstime = scale60(&ru.ru_stime);
       return (0);
}

static
scale60(tvp)
       register struct timeval *tvp;
{

       return (tvp->tv_sec * 60 + tvp->tv_usec / 16667);
}