1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms
5 * of the Common Development and Distribution License
6 * (the "License").  You may not use this file except
7 * in compliance with the License.
8 *
9 * You can obtain a copy of the license at
10 * src/OPENSOLARIS.LICENSE
11 * or http://www.opensolaris.org/os/licensing.
12 * See the License for the specific language governing
13 * permissions and limitations under the License.
14 *
15 * When distributing Covered Code, include this CDDL
16 * HEADER in each file and include the License file at
17 * usr/src/OPENSOLARIS.LICENSE.  If applicable,
18 * add the following below this CDDL HEADER, with the
19 * fields enclosed by brackets "[]" replaced with your
20 * own identifying information: Portions Copyright [yyyy]
21 * [name of copyright owner]
22 *
23 * CDDL HEADER END
24 */
25
26/*
27 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
28 * Use is subject to license terms.
29 */
30
31#include <unistd.h>
32#include <stdlib.h>
33#include <stdio.h>
34#include <sys/types.h>
35#include <sys/ipc.h>
36#include <sys/sem.h>
37
38#include "libmicro.h"
39
40
41typedef struct {
42	int	ts_semid;
43} tsd_t;
44
45int
46benchmark_init()
47{
48	lm_tsdsize = sizeof (tsd_t);
49
50	(void) sprintf(lm_usage, "notes: measures semop()\n");
51
52	return (0);
53}
54
55int
56benchmark_initbatch(void *tsd)
57{
58
59	tsd_t			*ts = (tsd_t *)tsd;
60
61	if ((ts->ts_semid = semget(IPC_PRIVATE, 2, 0600)) == -1) {
62		return (-1);
63	}
64
65	return (0);
66}
67
68int
69benchmark_finibatch(void *tsd)
70{
71	tsd_t 			*ts = (tsd_t *)tsd;
72
73	(void) semctl(ts->ts_semid, 0, IPC_RMID);
74
75	return (0);
76}
77
78int
79benchmark(void *tsd, result_t *res)
80{
81	int			i;
82	tsd_t			*ts = (tsd_t *)tsd;
83	struct sembuf		s[1];
84
85	for (i = 0; i < lm_optB; i++) {
86		s[0].sem_num = 0;
87		s[0].sem_op  = 1;
88		s[0].sem_flg = 0;
89		if (semop(ts->ts_semid, s, 1) == -1) {
90			res->re_errors++;
91		}
92		s[0].sem_num = 0;
93		s[0].sem_op  = -1;
94		s[0].sem_flg = 0;
95		if (semop(ts->ts_semid, s, 1) == -1) {
96			res->re_errors++;
97		}
98	}
99
100	res->re_count += lm_optB;
101
102	return (0);
103}
104