activity::ActivityImplPtr waiting_synchro_ = nullptr; /* the current blocking synchro if any */
std::list<activity::ActivityImplPtr> activities_; /* the current non-blocking synchros */
s_smx_simcall simcall_;
+ std::vector<SimcallObserver*> observer_stack_;
/* list of functions executed when the process dies */
std::shared_ptr<std::vector<std::function<void(bool)>>> on_exit =
std::make_shared<std::vector<std::function<void(bool)>>>();
