XBT_PRIVATE void SIMIX_execution_set_priority(smx_activity_t synchro, double priority);
XBT_PRIVATE void SIMIX_execution_set_bound(smx_activity_t synchro, double bound);
-XBT_PRIVATE void SIMIX_execution_finish(simgrid::kernel::activity::ExecImpl* exec);
+XBT_PRIVATE void SIMIX_execution_finish(simgrid::kernel::activity::ExecImplPtr exec);
XBT_PRIVATE void SIMIX_set_category(smx_activity_t synchro, const char *category);