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 * 3. 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 * $FreeBSD: src/lib/libc/gen/closedir.c,v 1.6.2.1 2001/03/05 08:29:56 obrien Exp $
30 *
31 * @(#)closedir.c 8.1 (Berkeley) 6/10/93
32 */
33
34 #include "namespace.h"
35 #include <dirent.h>
36 #include <pthread.h>
37 #include <stdlib.h>
38 #include <unistd.h>
39 #include "un-namespace.h"
40
41 #include "libc_private.h"
42 #include "gen_private.h"
43
44 /*
45 * close a directory.
46 */
47 int
closedir(DIR * dirp)48 closedir(DIR *dirp)
49 {
50 int fd;
51
52 if (__isthreaded)
53 _pthread_mutex_lock(&dirp->dd_lock);
54 _seekdir(dirp, dirp->dd_rewind); /* free seekdir storage */
55 fd = dirp->dd_fd;
56 dirp->dd_fd = -1;
57 dirp->dd_loc = 0;
58 free(dirp->dd_buf);
59 _reclaim_telldir(dirp);
60 if (__isthreaded) {
61 _pthread_mutex_unlock(&dirp->dd_lock);
62 _pthread_mutex_destroy(&dirp->dd_lock);
63 }
64 free(dirp);
65 return(_close(fd));
66 }
67