X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/dff9e15c44ab6340d27215957c56fa72fad246a2..06aaaaffb5ec865a880e32dcff6768792ce78446:/src/msg/task.c

diff --git a/src/msg/task.c b/src/msg/task.c
index 60082dc867..8aae84d883 100644
--- a/src/msg/task.c
+++ b/src/msg/task.c
@@ -76,6 +76,11 @@ m_task_t MSG_task_create(const char *name, double compute_duration,
   return task;
 }
 
+/** prevent the task from being destroyed too quickly (but also prevent it from being sent). Mainly useful in bindings */
+void MSG_task_ref(m_task_t t) {
+  t->simdata->refcount++;
+}
+
 /** \ingroup m_task_management
  * \brief Return the user data of a #m_task_t.
  *
@@ -148,9 +153,7 @@ MSG_error_t MSG_task_destroy(m_task_t task)
   action = task->simdata->compute;
   if (action)
     SIMIX_action_destroy(action);
-  action = task->simdata->comm;
-  if (action)
-    SIMIX_action_destroy(action);
+  
   /* parallel tasks only */
   if (task->simdata->host_list)
     xbt_free(task->simdata->host_list);
@@ -177,11 +180,10 @@ MSG_error_t MSG_task_cancel(m_task_t task)
     return MSG_OK;
   }
   if (task->simdata->comm) {
-    SIMIX_action_cancel(task->simdata->comm);
+    SIMIX_communication_cancel(task->simdata->comm);
     return MSG_OK;
   }
-
-  return MSG_FATAL;
+  THROW_IMPOSSIBLE;
 }
 
 /** \ingroup m_task_management
@@ -223,7 +225,7 @@ double MSG_task_get_remaining_communication(m_task_t task)
   xbt_assert0((task != NULL)
               && (task->simdata != NULL), "Invalid parameter");
 
-  return SIMIX_action_get_remains(task->simdata->comm);
+  return SIMIX_communication_get_remains(task->simdata->comm);
 }
 
 /** \ingroup m_task_management