1 | /* shm_unlink -- remove a POSIX shared memory object. Generic POSIX version. |
2 | Copyright (C) 2001-2021 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <unistd.h> |
20 | |
21 | #if ! _POSIX_MAPPED_FILES |
22 | #include <rt/shm_unlink.c> |
23 | |
24 | #else |
25 | |
26 | #include <errno.h> |
27 | #include <string.h> |
28 | #include "shm-directory.h" |
29 | |
30 | |
31 | /* Remove shared memory object. */ |
32 | int |
33 | shm_unlink (const char *name) |
34 | { |
35 | SHM_GET_NAME (ENOENT, -1, "" ); |
36 | |
37 | int result = unlink (shm_name); |
38 | if (result < 0 && errno == EPERM) |
39 | __set_errno (EACCES); |
40 | return result; |
41 | } |
42 | |
43 | #endif |
44 | |