mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-27 07:20:11 +00:00
70 lines
2.0 KiB
C
70 lines
2.0 KiB
C
/* Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <errno.h>
|
|
#include <mqueue.h>
|
|
#include <stdarg.h>
|
|
#include <stddef.h>
|
|
#include <stdio.h>
|
|
#include <sysdep.h>
|
|
|
|
#ifdef __NR_mq_open
|
|
|
|
/* Establish connection between a process and a message queue NAME and
|
|
return message queue descriptor or (mqd_t) -1 on error. OFLAG determines
|
|
the type of access used. If O_CREAT is on OFLAG, the third argument is
|
|
taken as a `mode_t', the mode of the created message queue, and the fourth
|
|
argument is taken as `struct mq_attr *', pointer to message queue
|
|
attributes. If the fourth argument is NULL, default attributes are
|
|
used. */
|
|
mqd_t
|
|
__mq_open (const char *name, int oflag, ...)
|
|
{
|
|
if (name[0] != '/')
|
|
{
|
|
__set_errno (EINVAL);
|
|
return -1;
|
|
}
|
|
|
|
mode_t mode = 0;
|
|
struct mq_attr *attr = NULL;
|
|
if (oflag & O_CREAT)
|
|
{
|
|
va_list ap;
|
|
|
|
va_start (ap, oflag);
|
|
mode = va_arg (ap, mode_t);
|
|
attr = va_arg (ap, struct mq_attr *);
|
|
va_end (ap);
|
|
}
|
|
|
|
return INLINE_SYSCALL (mq_open, 4, name + 1, oflag, mode, attr);
|
|
}
|
|
strong_alias (__mq_open, mq_open);
|
|
|
|
mqd_t
|
|
__mq_open_2 (const char *name, int oflag)
|
|
{
|
|
if (oflag & O_CREAT)
|
|
__fortify_fail ("invalid mq_open call: O_CREAT without mode and attr");
|
|
|
|
return __mq_open (name, oflag);
|
|
}
|
|
#else
|
|
# include <rt/mq_open.c>
|
|
#endif
|