Add MSG_host_on and MSG_host_off

[simgrid.git] / src / msg / msg_task.c

diff --git a/src/msg/msg_task.c b/src/msg/msg_task.c
index 101689c..d95b180 100644 (file)
--- a/src/msg/msg_task.c
+++ b/src/msg/msg_task.c
@@ -62,6 +62,7 @@ msg_task_t MSG_task_create(const char *name, double compute_duration,
   simdata->receiver = NULL;
   simdata->source = NULL;
   simdata->priority = 1.0;
+  simdata->bound = 0;
   simdata->rate = -1.0;
   simdata->isused = 0;
 
@@ -342,6 +343,23 @@ void MSG_task_set_compute_duration(msg_task_t task,
 
 }
 
+/** \ingroup m_task_management
+ * \brief set the amount data attached with a task #msg_task_t.
+ *
+ * \warning If the transfer is ongoing (already started and not finished),
+ * it is not modified by this call. 
+ */
+
+void MSG_task_set_data_size(msg_task_t task,
+                                   double data_size)
+{
+  xbt_assert(task, "Invalid parameter");
+  task->simdata->message_size = data_size;
+
+}
+
+
+
 /** \ingroup m_task_management
  * \brief Returns the remaining computation amount of a task #msg_task_t.
  *
@@ -421,3 +439,24 @@ void MSG_task_set_priority(msg_task_t task, double priority)
     simcall_host_execution_set_priority(task->simdata->compute,
                                       task->simdata->priority);
 }
+
+
+/** \ingroup m_task_management
+ * \brief Changes the maximum CPU utilization of a computation task.
+ *        Unit is flops/s.
+ *
+ * For VMs, there is a pitfall. Please see MSG_vm_set_bound().
+ */
+void MSG_task_set_bound(msg_task_t task, double bound)
+{
+  xbt_assert(task, "Invalid parameter");
+  xbt_assert(task->simdata, "Invalid parameter");
+
+  if (bound == 0)
+    XBT_INFO("bound == 0 means no capping (i.e., unlimited).");
+
+  task->simdata->bound = bound;
+  if (task->simdata->compute)
+    simcall_host_execution_set_bound(task->simdata->compute,
+                                      task->simdata->bound);
+}