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. */
29int
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}
60weak_alias (__closedir, closedir)
61

source code of glibc/sysdeps/mach/hurd/closedir.c