-void execution_cancel(boost::intrusive_ptr<simgrid::kernel::activity::ActivityImpl> execution) [[nohandler]];
-void execution_set_priority(boost::intrusive_ptr<simgrid::kernel::activity::ActivityImpl> execution, double priority) [[nohandler]];
-void execution_set_bound(boost::intrusive_ptr<simgrid::kernel::activity::ActivityImpl> execution, double bound) [[nohandler]];