Fixed addauxref for the triple axis code

Added a writing state to status

task.c

@@ -26,8 +26,10 @@
 #define YIELDING 3
 
 #define IDUNDEFINED 0L
+#define TASKMAGIC 777111999
 /*--------------------------------------------------------------------------*/
 typedef struct __TaskHead {
+  long magic;
   long lID;
   long groupID;
   int iStatus;
@@ -68,6 +70,7 @@ static pTaskHead MakeTaskHead(char *name, TaskFunc pTask, SignalFunc pSignal,
   }
   memset(pNew, 0, sizeof(TaskHead));
 
+  pNew->magic = TASKMAGIC;
   pNew->name = strdup(name);
   pNew->start_time = time(NULL);
   pNew->pRun = pTask;
@@ -106,6 +109,7 @@ static void DeleteTaskHead(pTaskHead self)
   if (self->pNext != NULL) {
     self->pNext->pPrevious = self->pPrevious;
   }
+  memset(self,0,sizeof(TaskHead));
   free(self);
 }
 
@@ -492,7 +496,7 @@ pTaskHead TaskIteratorStart(pTaskMan self)
 /*-----------------------------------------------------------------------------*/
 pTaskHead TaskIteratorNext(pTaskHead it)
 {
-  if(it != NULL){
+  if(it != NULL && it->magic == TASKMAGIC){
     return it->pNext;
   } 
   return NULL;
@@ -546,7 +550,11 @@ const char * GetTaskName(pTaskHead it)
 /*------------------------------------------------------------------------------*/
 const void *GetTaskData(pTaskHead it)
 {
-  return (const void*)it->pData;
+  if(it->magic == TASKMAGIC){
+    return (const void*)it->pData;
+  } else {
+    return NULL;
+  }
 }
 /*------------------------------------------------------------------------------*/
 long GetTaskGroupID(pTaskMan self)