*** empty log message ***

[bbtk.git] / kernel / src / bbtkAtomicBlackBox.cxx

diff --git a/kernel/src/bbtkAtomicBlackBox.cxx b/kernel/src/bbtkAtomicBlackBox.cxx
index 3f46046d14c92b0f4e2b9255ec8b4f2e25628548..981b16c14d1dd8be1558312d14def889b4e6e7b5 100644 (file)
--- a/kernel/src/bbtkAtomicBlackBox.cxx
+++ b/kernel/src/bbtkAtomicBlackBox.cxx
@@ -3,8 +3,8 @@
   Program:   bbtk
   Module:    $RCSfile: bbtkAtomicBlackBox.cxx,v $
   Language:  C++
-  Date:      $Date: 2008/03/20 15:27:56 $
-  Version:   $Revision: 1.2 $
+  Date:      $Date: 2008/04/08 06:59:29 $
+  Version:   $Revision: 1.3 $
                                                                                 
   Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
   l'Image). All rights reserved. See Doc/License.txt or
@@ -70,9 +70,17 @@ namespace bbtk
   IOStatus AtomicBlackBox::bbBackwardUpdate( Connection* caller )
   {
     bbtkDebugMessageInc("Process",1,
-            "=> AtomicBlackBox::bbBackwardUpdate() ["
-            <<bbGetFullName()<<"]"<<std::endl);
+                       "=> AtomicBlackBox::bbBackwardUpdate("
+                       <<(caller?caller->GetFullName():"0")<<") ["
+                       <<bbGetFullName()<<"]"<<std::endl);
     
+    if (bbGetExecuting()) 
+      {
+       bbtkWarning(bbGetFullName()<<" : Cyclic execution stopped");
+       return UPTODATE;
+      }
+    bbSetExecuting(true);
+
     bbtkDebugMessage("Process",5,"Initial Status  = "<<bbGetStatus()
                     <<std::endl);
     bbtkDebugMessage("Process",5,"BoxProcessMode  = "
@@ -134,6 +142,8 @@ namespace bbtk
             <<bbGetFullName()<<"]"<<std::endl);
     bbtkDebugDecTab("Process",1);
 
+    bbSetExecuting(false);
+
     return bbGetStatus();
 
   }