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-rw-r--r--conf/umount/umount_osf.c120
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diff --git a/conf/umount/umount_osf.c b/conf/umount/umount_osf.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/umount/umount_osf.c
+ *
+ */
+
+/*
+ * Unmounting filesystems under OSF.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif /* HAVE_CONFIG_H */
+#include <am_defs.h>
+#include <amu.h>
+
+
+int
+umount_fs(char *mntdir, const char *mnttabname, u_int unmount_flags)
+{
+ int error;
+
+eintr:
+ error = umount(mntdir, MNT_NOFORCE);
+ if (error < 0)
+ error = errno;
+
+ switch (error) {
+ case EINVAL:
+ case ENOTBLK:
+ plog(XLOG_WARNING, "unmount: %s is not mounted", mntdir);
+ error = 0; /* Not really an error */
+ break;
+
+ case ENOENT:
+ plog(XLOG_ERROR, "mount point %s: %m", mntdir);
+ break;
+
+ case EINTR:
+ /* not sure why this happens, but it does. ask kirk one day... */
+ dlog("%s: unmount: %m", mntdir);
+ goto eintr;
+
+#ifdef MNT2_GEN_OPT_FORCE
+ case EBUSY:
+ case EIO:
+ case ESTALE:
+ /* caller determines if forced unmounts should be used */
+ if (unmount_flags & AMU_UMOUNT_FORCE) {
+ error = umount2_fs(mntdir, unmount_flags);
+ if ((error = umount2_fs(mntdir, unmount_flags)) < 0)
+ error = errno;
+ else
+ return error;
+ }
+ /* fallthrough */
+#endif /* MNT2_GEN_OPT_FORCE */
+
+ default:
+ dlog("%s: unmount: %m", mntdir);
+ break;
+ }
+
+ return error;
+}
+
+
+#ifdef MNT2_GEN_OPT_FORCE
+/* force unmount, no questions asked, without touching mnttab file */
+int
+umount2_fs(const char *mntdir, u_int unmount_flags)
+{
+ int error = 0;
+
+ if (unmount_flags & AMU_UMOUNT_FORCE) {
+ plog(XLOG_INFO, "umount2_fs: trying unmount/forced on %s", mntdir);
+ error = umount((char *)mntdir, MNT2_GEN_OPT_FORCE);
+ if (error < 0 && (errno == EINVAL || errno == ENOENT))
+ error = 0; /* ignore EINVAL/ENOENT */
+ if (error < 0)
+ plog(XLOG_WARNING, "%s: unmount/force: %m", mntdir);
+ else
+ dlog("%s: unmount/force: OK", mntdir);
+ }
+ return error;
+}
+#endif /* MNT2_GEN_OPT_FORCE */