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* rt/Versions (librt): Export __mq_open_2@@GLIBC_2.7.

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* 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.
This commit is contained in:
Ulrich Drepper
2007-09-15 22:35:27 +00:00
parent 9bdfff6000
commit 3a50811c2f
14 changed files with 258 additions and 140 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
sysdeps/unix/sysv/linux/mq_open.c
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@ -1,4 +1,4 @@
/* Copyright (C) 2004, 2005 Free Software Foundation, Inc.
/* 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
@ -20,6 +20,7 @@
#include <mqueue.h>
#include <stdarg.h>
#include <stddef.h>
#include <stdio.h>
#include <sysdep.h>
#ifdef __NR_mq_open
@ -32,7 +33,7 @@
attributes. If the fourth argument is NULL, default attributes are
used. */
mqd_t
mq_open (const char *name, int oflag, ...)
__mq_open (const char *name, int oflag, ...)
{
if (name[0] != '/')
{
@ -54,7 +55,16 @@ mq_open (const char *name, int oflag, ...)
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