#ifdef linux
#define _XOPEN_SOURCE 500
#endif
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include "libmicro.h"
#define DEFF "/dev/zero"
#define DEFS 1024
static char *optf = DEFF;
static long long opts = DEFS;
typedef struct {
int ts_once;
int ts_fd;
} tsd_t;
int
benchmark_init()
{
lm_tsdsize = sizeof (tsd_t);
(void) sprintf(lm_optstr, "f:s:");
(void) sprintf(lm_usage,
" [-f file-to-read (default %s)]\n"
" [-s buffer-size (default %d)]\n"
"notes: measures lseek()\n",
DEFF, DEFS);
(void) sprintf(lm_header, "%8s", "size");
return (0);
}
int
benchmark_optswitch(int opt, char *optarg)
{
switch (opt) {
case 'f':
optf = optarg;
break;
case 's':
opts = sizetoll(optarg);
break;
default:
return (-1);
}
return (0);
}
int
benchmark_initbatch(void *tsd)
{
tsd_t *ts = (tsd_t *)tsd;
if (ts->ts_once++ == 0) {
ts->ts_fd = open(optf, O_RDONLY);
}
return (0);
}
int
benchmark(void *tsd, result_t *res)
{
tsd_t *ts = (tsd_t *)tsd;
int i;
for (i = 0; i < lm_optB; i += 2) {
if (lseek(ts->ts_fd, 0L, SEEK_SET) != 0) {
res->re_errors++;
}
if (lseek(ts->ts_fd, opts, SEEK_SET) != opts) {
res->re_errors++;
}
}
res->re_count = i;
return (0);
}
char *
benchmark_result()
{
static char result[256];
(void) sprintf(result, "%8lld", opts);
return (result);
}