for (auto const& kv : links_)
if (kv.second)
kv.second->destroy();
+ actors_to_run_.clear();
+ actors_that_ran_.clear();
}
void EngineImpl::load_deployment(const std::string& file) const
models_prio_[model_name] = std::move(model);
}
+/** Wake up all actors waiting for a Surf action to finish */
+void EngineImpl::wake_all_waiting_actors() const
+{
+ for (auto const& model : models_) {
+ XBT_DEBUG("Handling the failed actions (if any)");
+ while (auto* action = model->extract_failed_action()) {
+ XBT_DEBUG(" Handling Action %p", action);
+ if (action->get_activity() != nullptr)
+ activity::ActivityImplPtr(action->get_activity())->post();
+ }
+ XBT_DEBUG("Handling the terminated actions (if any)");
+ while (auto* action = model->extract_done_action()) {
+ XBT_DEBUG(" Handling Action %p", action);
+ if (action->get_activity() == nullptr)
+ XBT_DEBUG("probably vcpu's action %p, skip", action);
+ else
+ activity::ActivityImplPtr(action->get_activity())->post();
+ }
+ }
+}
+/**
+ * @brief Executes the actors in actors_to_run.
+ *
+ * The actors in actors_to_run are run (in parallel if possible). On exit, actors_to_run is empty, and actors_that_ran
+ * contains the list of actors that just ran. The two lists are swapped so, be careful when using them before and after
+ * a call to this function.
+ */
+void EngineImpl::run_all_actors()
+{
+ simix_global->context_factory->run_all();
+
+ actors_to_run_.swap(actors_that_ran_);
+ actors_to_run_.clear();
+}
+
+/** Execute all the tasks that are queued, e.g. `.then()` callbacks of futures. */
+bool EngineImpl::execute_tasks()
+{
+ xbt_assert(tasksTemp.empty());
+
+ if (tasks.empty())
+ return false;
+
+ do {
+ // We don't want the callbacks to modify the vector we are iterating over:
+ tasks.swap(tasksTemp);
+
+ // Execute all the queued tasks:
+ for (auto& task : tasksTemp)
+ task();
+
+ tasksTemp.clear();
+ } while (not tasks.empty());
+
+ return true;
+}
+
+void EngineImpl::rm_daemon(actor::ActorImpl* actor)
+{
+ auto it = daemons_.find(actor);
+ xbt_assert(it != daemons_.end(), "The dying daemon is not a daemon after all. Please report that bug.");
+ daemons_.erase(it);
+}
+
+void EngineImpl::add_actor_to_run_list_no_check(actor::ActorImpl* actor)
+{
+ XBT_DEBUG("Inserting [%p] %s(%s) in the to_run list", actor, actor->get_cname(), actor->get_host()->get_cname());
+ actors_to_run_.push_back(actor);
+}
+
+void EngineImpl::add_actor_to_run_list(actor::ActorImpl* actor)
+{
+ if (std::find(begin(actors_to_run_), end(actors_to_run_), actor) != end(actors_to_run_)) {
+ XBT_DEBUG("Actor %s is already in the to_run list", actor->get_cname());
+ } else {
+ XBT_DEBUG("Inserting [%p] %s(%s) in the to_run list", actor, actor->get_cname(), actor->get_host()->get_cname());
+ actors_to_run_.push_back(actor);
+ }
+}
+
void EngineImpl::run()
{
if (MC_record_replay_is_active()) {
double time = 0;
do {
- XBT_DEBUG("New Schedule Round; size(queue)=%zu", simix_global->actors_to_run.size());
+ XBT_DEBUG("New Schedule Round; size(queue)=%zu", actors_to_run_.size());
if (cfg_breakpoint >= 0.0 && surf_get_clock() >= cfg_breakpoint) {
XBT_DEBUG("Breakpoint reached (%g)", cfg_breakpoint.get());
#endif
}
- simix_global->execute_tasks();
+ execute_tasks();
- while (not simix_global->actors_to_run.empty()) {
- XBT_DEBUG("New Sub-Schedule Round; size(queue)=%zu", simix_global->actors_to_run.size());
+ while (not actors_to_run_.empty()) {
+ XBT_DEBUG("New Sub-Schedule Round; size(queue)=%zu", actors_to_run_.size());
- /* Run all processes that are ready to run, possibly in parallel */
- simix_global->run_all_actors();
+ /* Run all actors that are ready to run, possibly in parallel */
+ run_all_actors();
/* answer sequentially and in a fixed arbitrary order all the simcalls that were issued during that sub-round */
* That would thus be a pure waste of time.
*/
- for (auto const& actor : simix_global->actors_that_ran) {
+ for (auto const& actor : actors_that_ran_) {
if (actor->simcall_.call_ != simix::Simcall::NONE) {
actor->simcall_handle(0);
}
}
- simix_global->execute_tasks();
+ execute_tasks();
do {
- simix_global->wake_all_waiting_actors();
- } while (simix_global->execute_tasks());
+ wake_all_waiting_actors();
+ } while (execute_tasks());
- /* If only daemon processes remain, cancel their actions, mark them to die and reschedule them */
- if (simix_global->process_list.size() == simix_global->daemons.size())
- for (auto const& dmon : simix_global->daemons) {
+ /* If only daemon actors remain, cancel their actions, mark them to die and reschedule them */
+ if (simix_global->process_list.size() == daemons_.size())
+ for (auto const& dmon : daemons_) {
XBT_DEBUG("Kill %s", dmon->get_cname());
simix_global->maestro_->kill(dmon);
}
/* Notify all the hosts that have failed */
/* FIXME: iterate through the list of failed host and mark each of them */
- /* as failed. On each host, signal all the running processes with host_fail */
+ /* as failed. On each host, signal all the running actors with host_fail */
// Execute timers and tasks until there isn't anything to be done:
bool again = false;
do {
again = timer::Timer::execute_all();
- if (simix_global->execute_tasks())
+ if (execute_tasks())
again = true;
- simix_global->wake_all_waiting_actors();
+ wake_all_waiting_actors();
} while (again);
/* Clean actors to destroy */
simix_global->empty_trash();
- XBT_DEBUG("### time %f, #processes %zu, #to_run %zu", time, simix_global->process_list.size(),
- simix_global->actors_to_run.size());
+ XBT_DEBUG("### time %f, #actors %zu, #to_run %zu", time, simix_global->process_list.size(), actors_to_run_.size());
- if (time < 0. && simix_global->actors_to_run.empty() && not simix_global->process_list.empty()) {
- if (simix_global->process_list.size() <= simix_global->daemons.size()) {
+ if (time < 0. && actors_to_run_.empty() && not simix_global->process_list.empty()) {
+ if (simix_global->process_list.size() <= daemons_.size()) {
XBT_CRITICAL("Oops! Daemon actors cannot do any blocking activity (communications, synchronization, etc) "
"once the simulation is over. Please fix your on_exit() functions.");
} else {
simix_global->maestro_->kill(kv.second);
}
}
- } while (time > -1.0 || not simix_global->actors_to_run.empty());
+ } while (time > -1.0 || has_actors_to_run());
if (not simix_global->process_list.empty())
THROW_IMPOSSIBLE;
