From e3a7fd9cbcbf392328db97584164973485cd86f8 Mon Sep 17 00:00:00 2001
From: Thomas Schmitt <scdbackup@gmx.net>
Date: Sun, 22 Nov 2015 15:02:41 +0000
Subject: [PATCH] Small improvements with xorriso_broker.sh

---
 frontend/xorriso_broker.sh | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/frontend/xorriso_broker.sh b/frontend/xorriso_broker.sh
index 3fe855e5..3f8a9e28 100755
--- a/frontend/xorriso_broker.sh
+++ b/frontend/xorriso_broker.sh
@@ -130,6 +130,7 @@ then
   # xorriso is not started yet
 
   # Check for xorriso version which knows command -named_pipe_loop
+  echo "Checking xorriso version ..." >&2
   xorriso_version_req="1.3.2"
   version=$("$xorriso" -version | grep '^xorriso version' |
             sed -e 's/^xorriso version   :  //')
@@ -144,8 +145,26 @@ then
     exit 2
   fi
 
-  mknod "$cmd_pipe" p
-  mknod "$result_pipe" p
+  if mknod "$cmd_pipe" p
+  then
+    echo "Created named pipe for xorriso commands: $cmd_pipe" >&2
+  else
+    echo "Failed to create named pipe for xorriso commands: $cmd_pipe" >&2
+    exit 3
+  fi
+  if mknod "$result_pipe" p
+  then
+    echo "Created named pipe for xorriso result channel: $result_pipe" >&2
+  else
+    echo \
+     "Failed to create named pipe for xorriso result channel: $result_pipe" >&2
+    if rm "$cmd_pipe"
+    then
+      echo "Removed named pipe for xorriso commands: $cmd_pipe" >&2
+    fi
+    exit 3
+  fi
+  echo "Starting xorriso process ..." >&2
   "$xorriso" -abort_on NEVER -for_backup \
              -named_pipe_loop cleanup:buffered "$cmd_pipe" "$result_pipe" "-" \
              >&2 &