Added message to show if the file is locked.

git-svn-id: https://svn.code.sf.net/p/dct/code/trunk@746 4c865b51-4357-4376-afb4-474e03ccb993

zUtil_DataStructures/GtLockDB.m

@@ -28,6 +28,7 @@ classdef GtLockDB < handle
             if (~exist('timeout', 'var'))
                 timeout = 0;
             end
+            first_time = true;
             if ~obj.hasLock
                 counter = 0;
                 test = 0;
@@ -39,6 +40,10 @@ classdef GtLockDB < handle
                         %gtPrintException(mexc)
                         obj.hasLock = false;
                         test = false;
+                        if (first_time)
+                            first_time = false;
+                            fprintf('Locked file: %s (from table %s)', obj.filename, obj.filetable)
+                        end
                     end
 
                     if test