1 /* Copyright (C) 2004-2022 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
__mq_unlink(const char * name)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