| 1 | /* Copyright (C) 2004-2019 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 | <http://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 | |