+ /* context factory */
+ default_value = xbt_strdup("ucontext");
+ xbt_cfg_register(&_surf_cfg_set, "simix/context",
+ "Context factory to use in SIMIX (ucontext, thread or raw)",
+ xbt_cfgelm_string, &default_value, 1, 1, _surf_cfg_cb_context_factory, NULL);
+