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/* Remove message queue named NAME. */
23int
24mq_unlink (const char *name)
25{
26 if (name[0] != '/')
27 return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
28
29 int ret = INTERNAL_SYSCALL_CALL (mq_unlink, name + 1);
30
31 /* While unlink can return either EPERM or EACCES, mq_unlink should
32 return just EACCES. */
33 if (__glibc_unlikely (INTERNAL_SYSCALL_ERROR_P (ret)))
34 {
35 ret = INTERNAL_SYSCALL_ERRNO (ret);
36 if (ret == EPERM)
37 ret = EACCES;
38 return INLINE_SYSCALL_ERROR_RETURN_VALUE (ret);
39 }
40
41 return ret;
42}
43