* Added valgrind memory leak tests in testmem.sh for restconf

* Added clicon_socket_set() and clicon_socket_get() functions for cleaning up backend server and restconf FCGI socket on termination.
* Removed obsolete `-x` command-line option to clixon_cli.

test/lib.sh

@@ -52,8 +52,9 @@ testname=
 # 
 : ${valgrindtest=0}
 
-# Valgrind log file. This is usually removed automatically
-: ${valgrindfile=$(mktemp)}
+# Valgrind log file. This should be removed automatically. Note that mktemp
+# actually creates a file so do not call it by default
+#: ${valgrindfile=$(mktemp)}
 
 # If set to 0, override starting of clixon_backend in test (you bring your own)
 : ${BE:=1}
@@ -135,9 +136,9 @@ start_backend(){
     if [ $valgrindtest -eq 2 ]; then
 	# Start in background since daemon version creates two traces: parent,
 	# child. If background then only the single relevant.
-	sudo $clixon_backend -F $* -D $DBG &
+	sudo $clixon_backend -F -D $DBG $* &
     else
-	sudo $clixon_backend $* -D $DBG
+	sudo $clixon_backend -D $DBG $*
     fi
     if [ $? -ne 0 ]; then
 	err
@@ -155,6 +156,22 @@ stop_backend(){
     fi
 }
 
+start_restconf(){
+    # Start in background 
+    sudo su -c "$clixon_restconf $RCLOG -D $DBG $*" -s /bin/sh www-data &
+    if [ $? -ne 0 ]; then
+	err
+    fi
+}
+
+stop_restconf(){
+    sudo pkill -u www-data -f "/www-data/clixon_restconf"
+    if [ $valgrindtest -eq 3 ]; then 
+	sleep 1
+	checkvalgrind
+    fi
+}
+
 # Increment test number and print a nice string
 new(){
     if [ $valgrindtest -eq 1 ]; then