1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1983, 1993
5 *	Regents of the University of California.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32#include <sys/cdefs.h>
33__SCCSID("@(#)closedir.c	8.1 (Berkeley) 6/10/93");
34__FBSDID("$FreeBSD$");
35
36#include "namespace.h"
37#include <sys/types.h>
38#include <dirent.h>
39#include <pthread.h>
40#include <stdlib.h>
41#include <unistd.h>
42#include "un-namespace.h"
43
44#include "libc_private.h"
45#include "gen-private.h"
46#include "telldir.h"
47
48/*
49 * close a directory.
50 */
51int
52fdclosedir(DIR *dirp)
53{
54	int fd;
55
56	if (__isthreaded)
57		_pthread_mutex_lock(&dirp->dd_lock);
58	fd = dirp->dd_fd;
59	dirp->dd_fd = -1;
60	dirp->dd_loc = 0;
61	free((void *)dirp->dd_buf);
62	free(dirp->dd_compat_de);
63	_reclaim_telldir(dirp);
64	if (__isthreaded) {
65		_pthread_mutex_unlock(&dirp->dd_lock);
66		_pthread_mutex_destroy(&dirp->dd_lock);
67	}
68	free((void *)dirp);
69	return (fd);
70}
71
72int
73closedir(DIR *dirp)
74{
75
76	return (_close(fdclosedir(dirp)));
77}
78