X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/0f5e8daaa6e9f74521068aa75837200bcd182ea6..28519cd452a15d8603b6594c634c6bfda3aa0538:/src/msg/task.c

diff --git a/src/msg/task.c b/src/msg/task.c
index 38a1b8fca4..73476e8cf9 100644
--- a/src/msg/task.c
+++ b/src/msg/task.c
@@ -266,14 +266,23 @@ double MSG_task_get_remaining_computation(m_task_t task)
 
 /** \ingroup m_task_management
  * \brief Returns the total amount received by a task #m_task_t.
- *
+ *        If the communication does not exist it will return 0.
+ *        So, if the communication has FINISHED or FAILED it returns
+ *        zero.
  */
 double MSG_task_get_remaining_communication(m_task_t task)
 {
   xbt_assert0((task != NULL)
               && (task->simdata != NULL), "Invalid parameter");
-  DEBUG1("calling SIMIX_communication_get_remains(%p)",
-         task->simdata->comm);
+
+  if(!task->simdata->comm){
+	  DEBUG0("you are trying to retrive remaining information on a NULL action, assuming it is zero");
+	  return 0;
+  }else{
+	  DEBUG1("calling SIMIX_communication_get_remains(%p)",
+			  task->simdata->comm);
+  }
+
   return SIMIX_communication_get_remains(task->simdata->comm);
 }