1 /* Copyright (C) 1991-2022 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 <dirstream.h>
24 #include <not-cancel.h>
25 
26 
27 /* Close the directory stream DIRP.
28    Return 0 if successful, -1 if not.  */
29 int
__closedir(DIR * dirp)30 __closedir (DIR *dirp)
31 {
32   int fd;
33 
34   if (dirp == NULL)
35     {
36       __set_errno (EINVAL);
37       return -1;
38     }
39 
40   /* We do not try to synchronize access here.  If some other thread
41      still uses this handle it is a big mistake and that thread
42      deserves all the bad data it gets.  */
43 
44   fd = dirp->fd;
45 
46 #if IS_IN (libc)
47   __libc_lock_fini (dirp->lock);
48 #endif
49 
50   free ((void *) dirp);
51 
52   return __close_nocancel (fd);
53 }
54 weak_alias (__closedir, closedir)
55