1/*	$NetBSD: mount_mach3.c,v 1.1.1.3 2015/01/17 16:34:16 christos Exp $	*/
2
3/*
4 * Copyright (c) 1997-2014 Erez Zadok
5 * Copyright (c) 1990 Jan-Simon Pendry
6 * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
7 * Copyright (c) 1990 The Regents of the University of California.
8 * All rights reserved.
9 *
10 * This code is derived from software contributed to Berkeley by
11 * Jan-Simon Pendry at Imperial College, London.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 *    notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 *    notice, this list of conditions and the following disclaimer in the
20 *    documentation and/or other materials provided with the distribution.
21 * 3. Neither the name of the University nor the names of its contributors
22 *    may be used to endorse or promote products derived from this software
23 *    without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 *
38 * File: am-utils/conf/mount/mount_mach3.c
39 *
40 */
41
42#ifdef HAVE_CONFIG_H
43# include <config.h>
44#endif /* HAVE_CONFIG_H */
45#include <am_defs.h>
46#include <amu.h>
47
48
49int
50mount_mach3(char *type, char *mnt, int flags, caddr_t mnt_data)
51{
52  int err = 0;
53  errno = 0;
54
55  if (syscall(SYS_vfsmount, type, mnt->mnt_dir, flags, mnt_data)) {
56    err = -1;
57    if (errno == ENODEV) {
58      /*
59       * might be an old kernel, need to try again
60       * with file type number instead of string
61       */
62      int typeno = 1;
63      plog(XLOG_ERROR, "%s: 1SYS_vfsmount: %m", mnt->mnt_dir);
64
65      if (STREQ(mnt->mnt_type, MOUNT_TYPE_UFS))
66        typeno = 0;
67      else if (STREQ(mnt->mnt_type, MOUNT_TYPE_NFS))
68        typeno = 1;
69      else
70	plog(XLOG_ERROR, "%s: type defaults to nfs...", mnt->mnt_dir);
71
72      plog(XLOG_ERROR, "%s: retry SYS_vfsmount %s %d", mnt->mnt_dir,
73	   mnt->mnt_type, typeno);
74      if (typeno >= 0) {
75        if (syscall(SYS_vfsmount, typeno, mnt->mnt_dir, flags, mnt_data)) {
76          plog(XLOG_ERROR, "%s: 2SYS_vfsmount: %m", mnt->mnt_dir);
77	} else {
78          err = 0;
79	}
80      }
81    }
82  }
83  return err;
84}
85