add docu

sumsel_functions.incl

@@ -1,24 +1,15 @@
-LOCK_DIR=/var/lock
-LOCK_DIR=/tmp/sumsel
-
-#BASENAME=$(basename "$0")
-#LOCK_FILE="${LOCK_DIR}/${BASENAME}"
 
 function set_lockfile {
         local BASENAME=$(basename "$0")
         local LOCK_FILE="${LOCK_DIR}/${BASENAME}"
         local RANDOM_FILE=$(mktemp --tmpdir=${LOCK_DIR})
-        #echo ${RANDOM_FILE}
         echo $$ > ${RANDOM_FILE}
         mv -n ${RANDOM_FILE} ${LOCK_FILE}
 
         if [ -e ${RANDOM_FILE} ] ; then
-                #rm ${RANDOM_FILE}
-                #echo "Failed to acquired lock"
                 OTHER_PID=$(cat ${LOCK_FILE})
                 false
         else
-                #echo "Acquired lock"
                 true
         fi
 }
@@ -26,7 +17,6 @@ function set_lockfile {
 function del_lockfile {
         local BASENAME=$(basename "$0")
         local LOCK_FILE="${LOCK_DIR}/${BASENAME}"
-        #echo ${LOCK_FILE}
 
         rm ${LOCK_FILE}
 }