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/*
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.
*/
#include "glusterfs.h"
#include "compat.h"
#include "xlator.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;
}
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