1/*
2 * Copyright (c) 1983, 1993
3 *	Regents of the University of California.  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 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#if defined(LIBC_SCCS) && !defined(lint)
31static char sccsid[] = "@(#)closedir.c	8.1 (Berkeley) 6/10/93";
32#endif /* LIBC_SCCS and not lint */
33#include <sys/cdefs.h>
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 "telldir.h"
46
47/*
48 * close a directory.
49 */
50int
51closedir(dirp)
52	DIR *dirp;
53{
54	int fd;
55
56	if (__isthreaded)
57		_pthread_mutex_lock(&dirp->dd_lock);
58	_seekdir(dirp, dirp->dd_rewind);	/* free seekdir storage */
59	fd = dirp->dd_fd;
60	dirp->dd_fd = -1;
61	dirp->dd_loc = 0;
62	free((void *)dirp->dd_buf);
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(_close(fd));
70}
71