1 | /* Copyright (C) 2004-2021 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 <mqueue.h> |
20 | #include <sysdep.h> |
21 | #include <shlib-compat.h> |
22 | |
23 | /* Remove message queue named NAME. */ |
24 | int |
25 | __mq_unlink (const char *name) |
26 | { |
27 | if (name[0] != '/') |
28 | return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL); |
29 | |
30 | int ret = INTERNAL_SYSCALL_CALL (mq_unlink, name + 1); |
31 | |
32 | /* While unlink can return either EPERM or EACCES, mq_unlink should |
33 | return just EACCES. */ |
34 | if (__glibc_unlikely (INTERNAL_SYSCALL_ERROR_P (ret))) |
35 | { |
36 | ret = INTERNAL_SYSCALL_ERRNO (ret); |
37 | if (ret == EPERM) |
38 | ret = EACCES; |
39 | return INLINE_SYSCALL_ERROR_RETURN_VALUE (ret); |
40 | } |
41 | |
42 | return ret; |
43 | } |
44 | versioned_symbol (libc, __mq_unlink, mq_unlink, GLIBC_2_34); |
45 | #if OTHER_SHLIB_COMPAT (librt, GLIBC_2_3_4, GLIBC_2_34) |
46 | compat_symbol (libc, __mq_unlink, mq_unlink, GLIBC_2_3_4); |
47 | #endif |
48 | |