1 /* Copyright (c) 2016-2021. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #ifndef SIMGRID_MC_SESSION_HPP
7 #define SIMGRID_MC_SESSION_HPP
9 #include "simgrid/forward.h"
10 #include "src/mc/ModelChecker.hpp"
17 /** A model-checking session
19 * This is expected to become the interface used by model-checking
20 * algorithms to control the execution of the model-checked process
21 * and the exploration of the execution graph. Model-checking
22 * algorithms should be able to be written in high-level languages
23 * (e.g. Python) using bindings on this interface.
25 class XBT_PUBLIC Session {
27 std::unique_ptr<ModelChecker> model_checker_;
28 std::shared_ptr<simgrid::mc::Snapshot> initial_snapshot_;
31 Session(Session const&) = delete;
32 Session& operator=(Session const&) = delete;
35 /** Create a new session by executing the provided code in a fork()
37 * This sets up the environment for the model-checked process
38 * (environment variables, sockets, etc.).
40 * The code is expected to `exec` the model-checked application.
42 explicit Session(const std::function<void()>& code);
47 void take_initial_snapshot();
48 void execute(Transition const& transition) const;
49 void log_state() const;
51 void restore_initial_state() const;
52 bool actor_is_enabled(aid_t pid) const;
56 extern simgrid::mc::Session* session_singleton;