Refactor Linux ipc_priv header

Some architectures support the old-style IPC and require IPC_64 equal to
0x100 to be passed along SysV IPC syscalls, while new architectures should
default to new IPC version (without the flags being set).

This patch refactor current ipc_priv.h Linux headers in two directions:

- Remove cross platform references (for instance alpha including powerpc
  definition) and add required definition for each required port.  The
  idea is to avoid tie one architecture definition with another and make
  platform change independent.

- Move all common definitions (the ipc syscall commands) on a common
  header, ipc_ops.h.

	* sysdeps/unix/sysv/linux/aarch64/ipc_priv.h: New file.
	* sysdeps/unix/sysv/linux/alpha/ipc_priv.h: Avoid included other arch
	definition and define its own.
	* sysdeps/unix/sysv/linux/ipc_ops.h: New file.
	* sysdeps/unix/sysv/linux/x86_64/ipc_priv.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/ipc_priv.h: Likewise.
	* sysdeps/unix/sysv/linux/mips/ipc_priv.h: Remove file.
	* sysdeps/unix/sysv/linux/mips/mips64/ipc_priv.h: New file.
	* sysdeps/unix/sysv/linux/ipc_priv.h: Move ipc syscall operation
	definitions to common header.
	* sysdeps/unix/sysv/linux/powerpc/ipc_priv.h: Use common syscall
	operation from ipc_ops.h.

1 files changed, 32 insertions, 1 deletions

diff --git a/sysdeps/unix/sysv/linux/alpha/ipc_priv.h b/sysdeps/unix/sysv/linux/alpha/ipc_priv.h
index 67883be101..06444fc322 100644
--- a/sysdeps/unix/sysv/linux/alpha/ipc_priv.h
+++ b/sysdeps/unix/sysv/linux/alpha/ipc_priv.h
@@ -1 +1,32 @@
-#include <sysdeps/unix/sysv/linux/powerpc/ipc_priv.h>
+/* Old SysV permission definition for Linux.  Alpha version.
+   Copyright (C) 2016 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 <sys/ipc.h>  /* For __key_t  */
+
+#define __IPC_64	0x100
+
+struct __old_ipc_perm
+{
+  __key_t __key;		/* Key.  */
+  unsigned int uid;		/* Owner's user ID.  */
+  unsigned int gid;		/* Owner's group ID.  */
+  unsigned int cuid;		/* Creator's user ID.  */
+  unsigned int cgid;		/* Creator's group ID.  */
+  unsigned int mode;		/* Read/write permission.  */
+  unsigned short int __seq;	/* Sequence number.  */
+};