xref: /netbsd-src/external/bsd/am-utils/dist/conf/mount/mount_mach3.c (revision 8bae5d409deb915cf7c8f0539fae22ff2cb8a313)
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 
49 int
mount_mach3(char * type,char * mnt,int flags,caddr_t mnt_data)50 mount_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