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a749a00f | 1 | /* shm_unlink -- remove a POSIX shared memory object. Generic POSIX version. |
6d7e8eda | 2 | Copyright (C) 2001-2023 Free Software Foundation, Inc. |
a63be9f7 UD |
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 | |
41bdb6e2 AJ |
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. | |
a63be9f7 UD |
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 | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
a63be9f7 | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
a63be9f7 UD |
18 | |
19 | #include <errno.h> | |
ae830b2d | 20 | #include <shlib-compat.h> |
a749a00f FW |
21 | #include <shm-directory.h> |
22 | #include <string.h> | |
23 | #include <unistd.h> | |
a63be9f7 UD |
24 | |
25 | /* Remove shared memory object. */ | |
26 | int | |
ae830b2d | 27 | __shm_unlink (const char *name) |
a63be9f7 | 28 | { |
a749a00f FW |
29 | struct shmdir_name dirname; |
30 | if (__shm_get_name (&dirname, name, false) != 0) | |
31 | { | |
32 | __set_errno (ENOENT); | |
33 | return -1; | |
34 | } | |
35 | ||
ae830b2d | 36 | int result = __unlink (dirname.name); |
a749a00f FW |
37 | if (result < 0 && errno == EPERM) |
38 | __set_errno (EACCES); | |
39 | return result; | |
a63be9f7 | 40 | } |
ae830b2d FW |
41 | versioned_symbol (libc, __shm_unlink, shm_unlink, GLIBC_2_34); |
42 | ||
43 | #if OTHER_SHLIB_COMPAT (librt, GLIBC_2_2, GLIBC_2_34) | |
44 | compat_symbol (libc, __shm_unlink, shm_unlink, GLIBC_2_2); | |
45 | #endif |