mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-22 10:50:07 +00:00
3a50811c2f
* rt/Makefile (headers): Add bits/mqueue2.h. * rt/mqueue.h: Include bits/mqueue2.h if -D_FORTIFY_SOURCE=2, optimizing with GCC and __va_arg_pack_len is defined. * rt/bits/mqueue2.h: New file. * rt/mq_open.c (__mq_open): Renamed from mq_open. (mq_open): New strong_alias. (__mq_open_2): New function. * sysdeps/unix/sysv/linux/mq_open.c (__mq_open): Renamed from mq_open. (mq_open): New strong_alias. (__mq_open_2): New function. * debug/Versions (libc): Export __fortify_fail@@GLIBC_PRIVATE. * Versions.def (librt): Add GLIBC_2.7 version. * debug/fortify_fail.c (__fortify_fail): Add libc_hidden_def. * include/stdio.h (__fortify_fail): Add libc_hidden_proto. * misc/sys/cdefs.h (__errordecl, __va_arg_pack_len): Define. * io/fcntl.h: Include bits/fcntl2.h when __va_arg_pack_len is defined rather than when not C++. * io/bits/fcntl2.h (__open_alias, __open64_alias, __openat_alias, __openat64_alias): New redirects. (__open_too_many_args, __open_missing_mode, __open64_too_many_args, __open64_missing_mode, __openat_too_many_args, __openat_missing_mode, __openat64_too_many_args, __openat64_missing_mode): New __errordecls. (open, open64, openat, openat64): Rewrite as __extern_always_inline functions instead of function-like macros.
71 lines
2.1 KiB
C
71 lines
2.1 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, 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 <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
|