1 files changed, 120 insertions, 0 deletions
diff --git a/conf/umount/umount_osf.c b/conf/umount/umount_osf.c
new file mode 100644
index 0000000000000..1aeea1cdfba4b
--- /dev/null
+++ b/conf/umount/umount_osf.c
@@ -0,0 +1,120 @@
+/*
+ * 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 */