1 | /* Copyright (C) 1993-2022 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <errno.h> |
19 | #include <stddef.h> |
20 | #include <stdlib.h> |
21 | #include <dirent.h> |
22 | #include <unistd.h> |
23 | #include <hurd.h> |
24 | #include <hurd/fd.h> |
25 | #include "dirstream.h" |
26 | |
27 | /* Close the directory stream DIRP. |
28 | Return 0 if successful, -1 if not. */ |
29 | int |
30 | __closedir (DIR *dirp) |
31 | { |
32 | error_t err; |
33 | |
34 | if (dirp == NULL) |
35 | { |
36 | errno = EINVAL; |
37 | return -1; |
38 | } |
39 | |
40 | __libc_lock_lock (dirp->__lock); |
41 | err = __vm_deallocate (__mach_task_self (), |
42 | (vm_address_t) dirp->__data, dirp->__allocation); |
43 | dirp->__data = NULL; |
44 | err = _hurd_fd_close (dirp->__fd); |
45 | |
46 | if (err) |
47 | { |
48 | /* Unlock the DIR. A failing closedir can be repeated (and may fail |
49 | again, but shouldn't deadlock). */ |
50 | __libc_lock_unlock (dirp->__lock); |
51 | return __hurd_fail (err); |
52 | } |
53 | |
54 | /* Clean up the lock and free the structure. */ |
55 | __libc_lock_fini (dirp->__lock); |
56 | free (ptr: dirp); |
57 | |
58 | return 0; |
59 | } |
60 | weak_alias (__closedir, closedir) |
61 | |