1 | /* Copyright (C) 2004-2020 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 <mqueue.h> |
20 | #include <sysdep.h> |
21 | |
22 | #ifdef __NR_mq_unlink |
23 | |
24 | /* Remove message queue named NAME. */ |
25 | int |
26 | mq_unlink (const char *name) |
27 | { |
28 | if (name[0] != '/') |
29 | return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL); |
30 | |
31 | INTERNAL_SYSCALL_DECL (err); |
32 | int ret = INTERNAL_SYSCALL (mq_unlink, err, 1, name + 1); |
33 | |
34 | /* While unlink can return either EPERM or EACCES, mq_unlink should |
35 | return just EACCES. */ |
36 | if (__glibc_unlikely (INTERNAL_SYSCALL_ERROR_P (ret, err))) |
37 | { |
38 | ret = INTERNAL_SYSCALL_ERRNO (ret, err); |
39 | if (ret == EPERM) |
40 | ret = EACCES; |
41 | return INLINE_SYSCALL_ERROR_RETURN_VALUE (ret); |
42 | } |
43 | |
44 | return ret; |
45 | } |
46 | |
47 | #else |
48 | # include <rt/mq_unlink.c> |
49 | #endif |
50 | |