| 1 | /* Copyright (C) 1991-2020 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 | 
| 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 |  |