+double SIMIX_action_get_remains(smx_action_t action)
+{
+ xbt_assert0((action != NULL), "Invalid parameter");
+ return action->surf_action->remains;
+}
+
+smx_action_t SIMIX_action_parallel_execute(char *name, int host_nb,
+ smx_host_t * host_list,
+ double *computation_amount,
+ double *communication_amount,
+ double amount, double rate)
+{
+ void **workstation_list = NULL;
+ smx_action_t act;
+ int i;
+
+ /* alloc structures */
+ act = xbt_new0(s_smx_action_t, 1);
+ act->cond_list = xbt_fifo_new();
+
+ /* initialize them */
+ act->name = xbt_strdup(name);
+
+ /* set action */
+
+ workstation_list = xbt_new0(void *, host_nb);
+ for (i = 0; i < host_nb; i++)
+ workstation_list[i] = host_list[i]->host;
+
+ act->surf_action =
+ surf_workstation_model->extension.
+ workstation.execute_parallel_task(host_nb, workstation_list,
+ computation_amount,
+ communication_amount, amount, rate);
+
+ surf_workstation_model->action_data_set(act->surf_action, act);
+
+ return act;
+}
+
+e_surf_action_state_t SIMIX_action_get_state(smx_action_t action)