1 /* Copyright (C) 2004-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
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.
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.
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/>. */
27 /* Establish connection between a process and a message queue NAME and
28 return message queue descriptor or (mqd_t) -1 on error. OFLAG determines
29 the type of access used. If O_CREAT is on OFLAG, the third argument is
30 taken as a `mode_t', the mode of the created message queue, and the fourth
31 argument is taken as `struct mq_attr *', pointer to message queue
32 attributes. If the fourth argument is NULL, default attributes are
35 __mq_open (const char *name, int oflag, ...)
38 return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
41 struct mq_attr *attr = NULL;
47 mode = va_arg (ap, mode_t);
48 attr = va_arg (ap, struct mq_attr *);
52 return INLINE_SYSCALL (mq_open, 4, name + 1, oflag, mode, attr);
54 strong_alias (__mq_open, mq_open);
57 __mq_open_2 (const char *name, int oflag)
60 __fortify_fail ("invalid mq_open call: O_CREAT without mode and attr");
62 return __mq_open (name, oflag);
65 # include <rt/mq_open.c>