double SIMIX_host_execution_get_remains(smx_action_t action);
e_smx_state_t SIMIX_host_execution_get_state(smx_action_t action);
void SIMIX_host_execution_set_priority(smx_action_t action, double priority);
+#ifdef HAVE_TRACING
+void SIMIX_host_execution_set_category(smx_action_t action, const char *category);
+#endif
void SIMIX_pre_host_execution_wait(smx_req_t req);
void SIMIX_host_execution_suspend(smx_action_t action);