- sg_host_t host_ = nullptr;
- kernel::resource::Action* surfAction_ = nullptr; /* The Surf execution action encapsulated */
- kernel::resource::Action* timeoutDetector = nullptr;
- static simgrid::xbt::signal<void(kernel::activity::ExecImplPtr)> onCreation;
- static simgrid::xbt::signal<void(kernel::activity::ExecImplPtr)> onCompletion;
- static simgrid::xbt::signal<void(simgrid::kernel::activity::ExecImplPtr, simgrid::s4u::Host*)> onMigration;