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 <stdio.h>
21
22/* Establish connection between a process and a message queue NAME and
23 return message queue descriptor or (mqd_t) -1 on error. OFLAG determines
24 the type of access used. If O_CREAT is on OFLAG, the third argument is
25 taken as a `mode_t', the mode of the created message queue, and the fourth
26 argument is taken as `struct mq_attr *', pointer to message queue
27 attributes. If the fourth argument is NULL, default attributes are
28 used. */
29mqd_t
30__mq_open (const char *name, int oflag, ...)
31{
32 __set_errno (ENOSYS);
33 return (mqd_t) -1;
34}
35strong_alias (__mq_open, mq_open);
36stub_warning (mq_open)
37
38mqd_t
39__mq_open_2 (const char *name, int oflag)
40{
41 if (oflag & O_CREAT)
42 __fortify_fail ("invalid mq_open call: O_CREAT without mode and attr");
43
44 return __mq_open (name, oflag);
45}
46stub_warning (__mq_open_2)
47

source code of glibc/rt/mq_open.c