-XBT_PRIVATE void SIMIX_post_synchro(smx_synchro_t synchro);
-XBT_PRIVATE void SIMIX_synchro_stop_waiting(smx_process_t process, smx_simcall_t simcall);
-XBT_PRIVATE void SIMIX_synchro_destroy(smx_synchro_t synchro);
-XBT_PRIVATE void SIMIX_synchro_finish(smx_synchro_t synchro);
+XBT_PRIVATE void SIMIX_post_synchro(smx_activity_t synchro);
+XBT_PRIVATE void SIMIX_synchro_stop_waiting(smx_actor_t process, smx_simcall_t simcall);
+XBT_PRIVATE void SIMIX_synchro_destroy(smx_activity_t synchro);
+XBT_PRIVATE void SIMIX_synchro_finish(smx_activity_t synchro);