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-rw-r--r--conf/mount/mount_mach3.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/conf/mount/mount_mach3.c b/conf/mount/mount_mach3.c
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+/*
+ * Copyright (c) 1997-2014 Erez Zadok
+ * Copyright (c) 1990 Jan-Simon Pendry
+ * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
+ * Copyright (c) 1990 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. 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.
+ *
+ *
+ * File: am-utils/conf/mount/mount_mach3.c
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif /* HAVE_CONFIG_H */
+#include <am_defs.h>
+#include <amu.h>
+
+
+int
+mount_mach3(char *type, char *mnt, int flags, caddr_t mnt_data)
+{
+ int err = 0;
+ errno = 0;
+
+ if (syscall(SYS_vfsmount, type, mnt->mnt_dir, flags, mnt_data)) {
+ err = -1;
+ if (errno == ENODEV) {
+ /*
+ * might be an old kernel, need to try again
+ * with file type number instead of string
+ */
+ int typeno = 1;
+ plog(XLOG_ERROR, "%s: 1SYS_vfsmount: %m", mnt->mnt_dir);
+
+ if (STREQ(mnt->mnt_type, MOUNT_TYPE_UFS))
+ typeno = 0;
+ else if (STREQ(mnt->mnt_type, MOUNT_TYPE_NFS))
+ typeno = 1;
+ else
+ plog(XLOG_ERROR, "%s: type defaults to nfs...", mnt->mnt_dir);
+
+ plog(XLOG_ERROR, "%s: retry SYS_vfsmount %s %d", mnt->mnt_dir,
+ mnt->mnt_type, typeno);
+ if (typeno >= 0) {
+ if (syscall(SYS_vfsmount, typeno, mnt->mnt_dir, flags, mnt_data)) {
+ plog(XLOG_ERROR, "%s: 2SYS_vfsmount: %m", mnt->mnt_dir);
+ } else {
+ err = 0;
+ }
+ }
+ }
+ }
+ return err;
+}