-/** Retrieve the number of actors in the simulation */
-XBT_ATTRIB_DEPRECATED_v330("Please use sg_actor_count()") XBT_PUBLIC int simgrid_get_actor_count();
+/* Set some code to execute in the maestro (must be used before the engine creation)
+ *
+ * If no maestro code is registered (the default), the main thread
+ * is assumed to be the maestro. */
+XBT_PUBLIC void simgrid_set_maestro(void (*code)(void*), void* data);