Subversion Repositories planix.SVN

#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/times.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>

static
char*
skip(char *p)
{

        while(*p == ' ')
                p++;
        while(*p != ' ' && *p != 0)
                p++;
        return p;
}

clock_t
times(struct tms *buf)
{
        char b[200], *p;
        int f;
        unsigned long r;

        memset(b, 0, sizeof(b));
        f = open("/dev/cputime", O_RDONLY);
        if(f >= 0) {
                lseek(f, SEEK_SET, 0);
                read(f, b, sizeof(b));
                close(f);
        }
        p = b;
        if(buf)
                buf->tms_utime = atol(p);
        p = skip(p);
        if(buf)
                buf->tms_stime = atol(p);
        p = skip(p);
        r = atol(p);
        if(buf){
                p = skip(p);
                buf->tms_cutime = atol(p);
                p = skip(p);
                buf->tms_cstime = atol(p);
        }
        return r;
}