+XBT_PUBLIC(void) SIMIX_action_destroy(smx_action_t action);
+XBT_PUBLIC(void) SIMIX_register_action_to_condition(smx_action_t action, smx_cond_t cond);
+XBT_PUBLIC(double) SIMIX_action_get_remains(smx_action_t action);
+
+/*Not implemented yet */
+XBT_PUBLIC(smx_action_t) SIMIX_action_parallel_execute(int workstation_nb,
+ void **workstation_list,
+ double *computation_amount,
+ double *communication_amount,
+ double amount,
+ double rate);