-/* Copyright (c) 2008-2021. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2008-2023. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
-#include "src/mc/mc_base.h"
-#include "mc/mc.h"
+#include "src/mc/mc_base.hpp"
+#include "src/kernel/EngineImpl.hpp"
#include "src/kernel/activity/CommImpl.hpp"
#include "src/kernel/activity/MutexImpl.hpp"
-#include "src/mc/checker/SimcallInspector.hpp"
+#include "src/kernel/actor/SimcallObserver.hpp"
+#include "src/mc/api/RemoteApp.hpp"
+#include "src/mc/mc.h"
#include "src/mc/mc_config.hpp"
#include "src/mc/mc_replay.hpp"
-#include "src/simix/smx_private.hpp"
+#include "src/mc/remote/AppSide.hpp"
-#include "xbt/random.hpp"
-
-#if SIMGRID_HAVE_MC
-#include "src/mc/ModelChecker.hpp"
-#include "src/mc/Session.hpp"
-#include "src/mc/remote/RemoteSimulation.hpp"
-
-using simgrid::mc::remote;
+#if SIMGRID_HAVE_STATEFUL_MC
+#include "src/mc/sosp/RemoteProcessMemory.hpp"
#endif
XBT_LOG_NEW_DEFAULT_CATEGORY(mc, "All MC categories");
+bool simgrid_mc_replay_show_backtraces = false;
-int MC_random(int min, int max)
-{
-#if SIMGRID_HAVE_MC
- xbt_assert(mc_model_checker == nullptr);
-#endif
- /* TODO, if the MC is disabled we do not really need to make a simcall for this :) */
- return simcall_mc_random(min, max);
-}
-
-namespace simgrid {
-namespace mc {
+namespace simgrid::mc {
-void wait_for_requests()
+void execute_actors()
{
-#if SIMGRID_HAVE_MC
- xbt_assert(mc_model_checker == nullptr, "This must be called from the client");
-#endif
- while (not simix_global->actors_to_run.empty()) {
- simix_global->run_all_actors();
- for (smx_actor_t const& process : simix_global->actors_that_ran) {
- const s_smx_simcall* req = &process->simcall_;
- if (req->call_ != simix::Simcall::NONE && not simgrid::mc::request_is_visible(req))
- process->simcall_handle(0);
+ auto* engine = kernel::EngineImpl::get_instance();
+
+ XBT_DEBUG("execute_actors: %lu of %zu to run (%s)", engine->get_actor_to_run_count(), engine->get_actor_count(),
+ (MC_record_replay_is_active() ? "replay active" : "no replay"));
+ while (engine->has_actors_to_run()) {
+ engine->run_all_actors();
+ for (auto const& actor : engine->get_actors_that_ran()) {
+ const kernel::actor::Simcall* req = &actor->simcall_;
+ if (req->call_ != kernel::actor::Simcall::Type::NONE && not simgrid::mc::request_is_visible(req))
+ actor->simcall_handle(0);
}
}
-#if SIMGRID_HAVE_MC
- xbt_dynar_reset(simix_global->actors_vector);
- for (std::pair<const aid_t, smx_actor_t> const& kv : simix_global->process_list) {
- xbt_dynar_push_as(simix_global->actors_vector, smx_actor_t, kv.second);
- }
-#endif
}
/** @brief returns if there this transition can proceed in a finite amount of time
* - if the wait will succeed immediately (if both peer of the comm are there already or if the mutex is available)
* - if a timeout is provided, because we can fire the timeout if the transition is not ready without blocking in this
* transition for ever.
- *
+ * This is controlled in the is_enabled() method of the corresponding observers.
*/
-// Called from both MCer and MCed:
-bool actor_is_enabled(smx_actor_t actor)
+bool actor_is_enabled(kernel::actor::ActorImpl* actor)
{
-// #del
-#if SIMGRID_HAVE_MC
- // If in the MCer, ask the client app since it has all the data
- if (mc_model_checker != nullptr) {
- return simgrid::mc::session->actor_is_enabled(actor->get_pid());
- }
-#endif
-// #
+ xbt_assert(simgrid::mc::model_checking_mode != simgrid::mc::ModelCheckingMode::CHECKER_SIDE,
+ "This should be called from the client side");
// Now, we are in the client app, no need for remote memory reading.
- smx_simcall_t req = &actor->simcall_;
+ kernel::actor::Simcall* req = &actor->simcall_;
- if (req->inspector_ != nullptr)
- return req->inspector_->is_enabled();
+ if (req->observer_ != nullptr)
+ return req->observer_->is_enabled();
- using simix::Simcall;
- switch (req->call_) {
- case Simcall::NONE:
- return false;
-
- case Simcall::COMM_WAIT: {
- /* FIXME: check also that src and dst processes are not suspended */
- const kernel::activity::CommImpl* act = simcall_comm_wait__getraw__comm(req);
-
- if (act->src_timeout_ || act->dst_timeout_) {
- /* If it has a timeout it will be always be enabled (regardless of who declared the timeout),
- * because even if the communication is not ready, it can timeout and won't block. */
- if (_sg_mc_timeout == 1)
- return true;
- }
- /* On the other hand if it hasn't a timeout, check if the comm is ready.*/
- else if (act->detached() && act->src_actor_ == nullptr && act->state_ == simgrid::kernel::activity::State::READY)
- return (act->dst_actor_ != nullptr);
- return (act->src_actor_ && act->dst_actor_);
- }
-
- case Simcall::COMM_WAITANY: {
- simgrid::kernel::activity::CommImpl** comms = simcall_comm_waitany__get__comms(req);
- size_t count = simcall_comm_waitany__get__count(req);
- for (unsigned int index = 0; index < count; ++index) {
- auto const* comm = comms[index];
- if (comm->src_actor_ && comm->dst_actor_)
- return true;
- }
- return false;
- }
-
- case Simcall::MUTEX_LOCK: {
- const kernel::activity::MutexImpl* mutex = simcall_mutex_lock__get__mutex(req);
-
- if (mutex->get_owner() == nullptr)
- return true;
- return mutex->get_owner()->get_pid() == req->issuer_->get_pid();
- }
-
- case Simcall::SEM_ACQUIRE: {
- static int warned = 0;
- if (not warned)
- XBT_INFO("Using semaphore in model-checked code is still experimental. Use at your own risk");
- warned = 1;
- return true;
- }
-
- case Simcall::COND_WAIT: {
- static int warned = 0;
- if (not warned)
- XBT_INFO("Using condition variables in model-checked code is still experimental. Use at your own risk");
- warned = 1;
- return true;
- }
-
- default:
- /* The rest of the requests are always enabled */
- return true;
- }
+ if (req->call_ == kernel::actor::Simcall::Type::NONE)
+ return false;
+ else
+ /* The rest of the requests are always enabled */
+ return true;
}
/* This is the list of requests that are visible from the checker algorithm.
* Any other requests are handled right away on the application side.
*/
-bool request_is_visible(const s_smx_simcall* req)
+bool request_is_visible(const kernel::actor::Simcall* req)
{
-#if SIMGRID_HAVE_MC
- xbt_assert(mc_model_checker == nullptr, "This should be called from the client side");
-#endif
- if (req->inspector_ != nullptr)
- return req->inspector_->is_visible();
+ xbt_assert(simgrid::mc::model_checking_mode != simgrid::mc::ModelCheckingMode::CHECKER_SIDE,
+ "This should be called from the client side");
- using simix::Simcall;
- return req->call_ == Simcall::COMM_ISEND || req->call_ == Simcall::COMM_IRECV || req->call_ == Simcall::COMM_WAIT ||
- req->call_ == Simcall::COMM_WAITANY || req->call_ == Simcall::COMM_TEST ||
- req->call_ == Simcall::COMM_TESTANY || req->call_ == Simcall::MUTEX_LOCK ||
- req->call_ == Simcall::MUTEX_TRYLOCK || req->call_ == Simcall::MUTEX_UNLOCK;
+ if (req->observer_ == nullptr)
+ return false;
+ return req->observer_->is_visible();
}
-}
-}
+} // namespace simgrid::mc
