#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/sem.h>
#include "libmicro.h"
typedef struct {
int ts_semid;
} tsd_t;
int
benchmark_init()
{
lm_tsdsize = sizeof (tsd_t);
(void) sprintf(lm_usage, "notes: measures semop()\n");
return (0);
}
int
benchmark_initbatch(void *tsd)
{
tsd_t *ts = (tsd_t *)tsd;
if ((ts->ts_semid = semget(IPC_PRIVATE, 2, 0600)) == -1) {
return (-1);
}
return (0);
}
int
benchmark_finibatch(void *tsd)
{
tsd_t *ts = (tsd_t *)tsd;
(void) semctl(ts->ts_semid, 0, IPC_RMID);
return (0);
}
int
benchmark(void *tsd, result_t *res)
{
int i;
tsd_t *ts = (tsd_t *)tsd;
struct sembuf s[1];
for (i = 0; i < lm_optB; i++) {
s[0].sem_num = 0;
s[0].sem_op = 1;
s[0].sem_flg = 0;
if (semop(ts->ts_semid, s, 1) == -1) {
res->re_errors++;
}
s[0].sem_num = 0;
s[0].sem_op = -1;
s[0].sem_flg = 0;
if (semop(ts->ts_semid, s, 1) == -1) {
res->re_errors++;
}
}
res->re_count += lm_optB;
return (0);
}