glibc/sysdeps/unix/sysv/linux/mq_open.c
Roland McGrath 6f0b2e1f0f [BZ #130, BZ #131]
2004-04-28  Carlos O'Donell  <carlos@baldric.uwo.ca>
	* sysdeps/unix/sysv/linux/mq_getattr.c: Include <stddef.h>.
	* sysdeps/unix/sysv/linux/mq_notify.c: Likewise.
	* sysdeps/unix/sysv/linux/mq_open.c: Likewise.
	* sysdeps/unix/sysv/linux/mq_receive.c: Likewise.
	* sysdeps/unix/sysv/linux/mq_send.c: Likewise.

	* manual/resource.texi (sched_setaffinity, sched_getaffinity): Fix
	prototypes and description [BZ #131].

	* string/bits/string2.h (strpbrk): Cast NULL to char * [BZ #130].
	Patch by Ed Catmur <ed@catmur.co.uk>.
	* string/tst-inlcall.c (main): Add test for strpbrk.
2004-04-29 21:55:45 +00:00

61 lines
1.9 KiB
C

/* Copyright (C) 2004 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <mqueue.h>
#include <stdarg.h>
#include <stddef.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);
}
#else
# include <sysdeps/generic/mq_open.c>
#endif