+
+static void simcall(simgrid::kernel::actor::Simcall::Type call, std::function<void()> const& code,
+ simgrid::kernel::actor::SimcallObserver* observer)
+{
+ auto self = simgrid::kernel::actor::ActorImpl::self();
+ self->simcall_.call_ = call;
+ self->simcall_.code_ = &code;
+ self->simcall_.observer_ = observer;
+ if (simgrid::kernel::EngineImpl::get_instance()->is_maestro(self)) {
+ self->simcall_handle(0);
+ } else {
+ XBT_DEBUG("Yield process '%s' on simcall %s", self->get_cname(), self->simcall_.get_cname());
+ self->yield();
+ }
+ self->simcall_.observer_ = nullptr;
+}
+
+void simcall_run_answered(std::function<void()> const& code, simgrid::kernel::actor::SimcallObserver* observer)
+{
+ // The function `code` is called in kernel mode (either because we are already in maestor or after a context switch)
+ // and simcall_answer() is called
+ simcall(simgrid::kernel::actor::Simcall::Type::RUN_ANSWERED, code, observer);
+}
+
+void simcall_run_blocking(std::function<void()> const& code, simgrid::kernel::actor::SimcallObserver* observer)
+{
+ // The function `code` is called in kernel mode (either because we are already in maestor or after a context switch)
+ // BUT simcall_answer IS NOT CALLED
+ simcall(simgrid::kernel::actor::Simcall::Type::RUN_BLOCKING, code, observer);
+}
+
+void simcall_run_object_access(std::function<void()> const& code, simgrid::kernel::actor::ObjectAccessSimcallItem* item)
+{
+ auto self = simgrid::kernel::actor::ActorImpl::self();
+
+ // We only need a simcall if the order of the setters is important (parallel run or MC execution).
+ // Otherwise, just call the function with no simcall
+
+ if (simgrid::kernel::context::Context::is_parallel()
+#if SIMGRID_HAVE_MC
+ || MC_is_active() || MC_record_replay_is_active()
+#endif
+ ) {
+ simgrid::kernel::actor::ObjectAccessSimcallObserver observer{self, item};
+ simcall(simgrid::kernel::actor::Simcall::Type::RUN_ANSWERED, code, &observer);
+ item->take_ownership();
+ } else {
+ // don't return from the context-switch we don't do
+ self->simcall_.call_ = simgrid::kernel::actor::Simcall::Type::RUN_BLOCKING;
+ self->simcall_.code_ = &code;
+ self->simcall_.observer_ = nullptr;
+ self->simcall_handle(0);
+ }
+}