]> git.saurik.com Git - apple/libc.git/blame - gen/FreeBSD/closedir.c
Libc-1439.100.3.tar.gz
[apple/libc.git] / gen / FreeBSD / closedir.c
CommitLineData
9385eb3d
A
1/*
2 * Copyright (c) 1983, 1993
3 * Regents of the University of California. All rights reserved.
e9ce8d39
A
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.
e9ce8d39
A
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)
9385eb3d 31static char sccsid[] = "@(#)closedir.c 8.1 (Berkeley) 6/10/93";
e9ce8d39 32#endif /* LIBC_SCCS and not lint */
9385eb3d 33#include <sys/cdefs.h>
b061a43b 34__FBSDID("$FreeBSD$");
e9ce8d39 35
9385eb3d 36#include "namespace.h"
5b2abdfb 37#include <sys/types.h>
9385eb3d
A
38#include <dirent.h>
39#include <pthread.h>
e9ce8d39 40#include <stdlib.h>
9385eb3d
A
41#include <unistd.h>
42#include "un-namespace.h"
43
44#include "libc_private.h"
45#include "telldir.h"
e9ce8d39 46
5b2abdfb 47/*
9385eb3d 48 * close a directory.
5b2abdfb 49 */
b061a43b
A
50static int
51_fdclosedir(DIR *dirp)
e9ce8d39 52{
9385eb3d 53 int fd;
5b2abdfb 54
9385eb3d 55 if (__isthreaded)
1f2f436a 56 _pthread_mutex_lock(&dirp->dd_lock);
9385eb3d
A
57 fd = dirp->dd_fd;
58 dirp->dd_fd = -1;
59 dirp->dd_loc = 0;
60 free((void *)dirp->dd_buf);
61 _reclaim_telldir(dirp);
62 if (__isthreaded) {
1f2f436a
A
63 _pthread_mutex_unlock(&dirp->dd_lock);
64 _pthread_mutex_destroy(&dirp->dd_lock);
9385eb3d
A
65 }
66 free((void *)dirp);
b061a43b
A
67 return (fd);
68}
69
70int
71closedir(DIR *dirp)
72{
73
74 return (_close(_fdclosedir(dirp)));
e9ce8d39 75}