Subversion Repositories HelenOS

Rev

Rev 3386 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
1 jermar 1
/*
2071 jermar 2
 * Copyright (c) 2001-2004 Jakub Jermar
1 jermar 3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
7
 * are met:
8
 *
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
13
 *   documentation and/or other materials provided with the distribution.
14
 * - The name of the author may not be used to endorse or promote products
15
 *   derived from this software without specific prior written permission.
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
28
 
29
#include <test.h>
30
#include <arch.h>
1104 jermar 31
#include <atomic.h>
1 jermar 32
#include <print.h>
33
#include <proc/thread.h>
34
 
35
#include <synch/waitq.h>
36
#include <synch/rwlock.h>
37
 
4263 mejdrech 38
#define READERS  50
39
#define WRITERS  50
1 jermar 40
 
41
static rwlock_t rwlock;
42
 
4263 mejdrech 43
char *test_rwlock1(void)
1 jermar 44
{
45
    rwlock_initialize(&rwlock);
4263 mejdrech 46
 
1 jermar 47
    rwlock_write_lock(&rwlock);
4263 mejdrech 48
    rwlock_write_unlock(&rwlock);
49
 
1 jermar 50
    rwlock_read_lock(&rwlock);
51
    rwlock_read_lock(&rwlock);
52
    rwlock_read_lock(&rwlock);
53
    rwlock_read_lock(&rwlock);
4263 mejdrech 54
    rwlock_read_lock(&rwlock);
55
 
1 jermar 56
    rwlock_read_unlock(&rwlock);
57
    rwlock_read_unlock(&rwlock);
58
    rwlock_read_unlock(&rwlock);
59
    rwlock_read_unlock(&rwlock);
4263 mejdrech 60
    rwlock_read_unlock(&rwlock);
1 jermar 61
 
62
    rwlock_write_lock(&rwlock);
4263 mejdrech 63
    rwlock_write_unlock(&rwlock);
64
 
1 jermar 65
    rwlock_read_lock(&rwlock);
66
    rwlock_read_unlock(&rwlock);
4263 mejdrech 67
 
1 jermar 68
    rwlock_write_lock(&rwlock);
4263 mejdrech 69
    rwlock_write_unlock(&rwlock);
70
 
1 jermar 71
    rwlock_read_lock(&rwlock);
72
    rwlock_read_unlock(&rwlock);
2028 decky 73
 
74
    return NULL;
1 jermar 75
}