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/*
32 * test file locking
33 */
34
35#include <unistd.h>
36#include <stdlib.h>
37#include <stdio.h>
38#include <string.h>
39#include <errno.h>
40#include <fcntl.h>
41
42#include "libmicro.h"
43
44static int 			file;
45
46int
47block(int index)
48{
49	struct flock		fl;
50
51	fl.l_type = F_WRLCK;
52	fl.l_whence = SEEK_SET;
53	fl.l_start = index;
54	fl.l_len = 1;
55	return (fcntl(file, F_SETLKW, &fl) == -1);
56}
57
58int
59unblock(int index)
60{
61	struct flock		fl;
62
63	fl.l_type = F_UNLCK;
64	fl.l_whence = SEEK_SET;
65	fl.l_start = index;
66	fl.l_len = 1;
67	return (fcntl(file, F_SETLK, &fl) == -1);
68}
69int
70benchmark_init()
71{
72	char			fname[80];
73	int	errors = 0;
74
75	(void) sprintf(fname, "/private/tmp/oneflock.%ld", getpid());
76
77	file = open(fname, O_CREAT | O_TRUNC | O_RDWR, 0600);
78
79	if (file == -1) {
80		errors++;
81	}
82	if (unlink(fname)) {
83		errors++;
84	}
85
86	lm_tsdsize = 0;
87
88	return (errors);
89}
90
91/*ARGSUSED*/
92int
93benchmark(void *tsd, result_t *res)
94{
95	int			i;
96	int			e = 0;
97
98	for (i = 0; i < lm_optB; i ++) {
99		e += block(0);
100		e += unblock(0);
101	}
102	res->re_count = i;
103	res->re_errors = e;
104
105	return (0);
106}
107