os-dgux.h

早期freebsd实现

/*
 * Copyright (c) 1990 Jan-Simon Pendry
 * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
 * Copyright (c) 1990, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Jan-Simon Pendry at Imperial College, London.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)os-dgux.h	8.1 (Berkeley) 6/6/93
 *
 * $Id: os-dgux.h,v 5.2.2.1 1992/02/09 15:10:18 jsp beta $
 *
 * dg/ux definitions for Amd (automounter)
 */

/*
 * Does the compiler grok void *
 */
#define VOIDP

/*
 * Which version of the Sun RPC library we are using
 * This is the implementation release number, not
 * the protocol revision number.
 */
#define RPC_4

/*
 * Which version of the NFS interface are we using.
 * This is the implementation release number, not
 * the protocol revision number.
 */
#define NFS_4

/*
 * Name of filesystem types
 */
#define MOUNT_TYPE_NFS	"nfs"
#define MOUNT_TYPE_UFS	"dg/ux"
#undef MTAB_TYPE_UFS
#define MTAB_TYPE_UFS	"dg/ux"

/*
 * Need the following in more places than just NFS_HDR
 */
#include <sys/dg_mount.h>
/*
 * This is braindead
 * dg/ux has nfs 4.0 but doesn't have the following options
 */
#define NFSMNT_HOSTNAME 0x0
#define NFSMNT_INT 0x0
#define M_NEWTYPE 0

/*
 * DG have their own filesystem.
 */
#define ufs_args dgux_args

/*
 * Byte ordering
 */

#undef ARCH_ENDIAN
#define ARCH_ENDIAN "big"

#define _BSD_WAIT_FLAVOR
#define _BSD_TTY_FLAVOR
#define _BSD_SIGNAL_FLAVOR
#define _DGUX_SOURCE

/*
 * Use fcntl() rather than flock()
 */
#define LOCK_FCNTL

#define bzero(ptr, len) memset(ptr, 0, len)
#define bcopy(from, to, len) memcpy(to, from, len)
#undef MOUNT_TRAP
#define MOUNT_TRAP(type, mnt, flags, mnt_data) \
	((struct nfs_args *)mnt_data)->version = !strcmp(type, MOUNT_TYPE_UFS)?\
	     DG_MOUNT_DGUX_VERSION:DG_MOUNT_NFS_VERSION, \
	dg_mount(type, mnt->mnt_dir, flags, mnt_data)
#undef UNMOUNT_TRAP
#define UNMOUNT_TRAP(mnt)	umount(mnt->mnt_dir)