1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/*
Copyright (c) 2006-2012 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
*/
#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
#include "glusterfs.h"
#include "compat.h"
#include "xlator.h"
#include "inode.h"
#include "logging.h"
#include "common-utils.h"
#include "list.h"
#include "locks.h"
#include "common.h"
#define expect(cond) if (!(cond)) { goto out; }
extern int lock_name (pl_inode_t *, const char *, entrylk_type);
extern int unlock_name (pl_inode_t *, const char *, entrylk_type);
int main (int argc, char **argv)
{
int ret = 1;
int r = -1;
pl_inode_t *pinode = CALLOC (sizeof (pl_inode_t), 1);
pthread_mutex_init (&pinode->dir_lock_mutex, NULL);
INIT_LIST_HEAD (&pinode->gf_dir_locks);
r = lock_name (pinode, NULL, ENTRYLK_WRLCK); expect (r == 0);
{
r = lock_name (pinode, "foo", ENTRYLK_WRLCK); expect (r == -EAGAIN);
}
r = unlock_name (pinode, NULL, ENTRYLK_WRLCK); expect (r == 0);
r = lock_name (pinode, "foo", ENTRYLK_RDLCK); expect (r == 0);
{
r = lock_name (pinode, "foo", ENTRYLK_RDLCK); expect (r == 0);
{
r = lock_name (pinode, "foo", ENTRYLK_WRLCK); expect (r == -EAGAIN);
}
r = unlock_name (pinode, "foo", ENTRYLK_RDLCK); expect (r == 0);
}
r = unlock_name (pinode, "foo", ENTRYLK_RDLCK); expect (r == 0);
r = lock_name (pinode, "foo", ENTRYLK_WRLCK); expect (r == 0);
r = unlock_name (pinode, "foo", ENTRYLK_WRLCK); expect (r == 0);
r = lock_name (pinode, "baz", ENTRYLK_WRLCK); expect (r == 0);
r = lock_name (pinode, "baz", ENTRYLK_RDLCK); expect (r == -EAGAIN);
ret = 0;
out:
return ret;
}
|
