1 /* Copyright (c) 2016-2019. 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 "src/mc/ModelChecker.hpp"
16 /** A model-checking session
18 * This is expected to become the interface used by model-checking
19 * algorithms to control the execution of the model-checked process
20 * and the exploration of the execution graph. Model-checking
21 * algorithms should be able to be written in high-level languages
22 * (e.g. Python) using bindings on this interface.
26 std::unique_ptr<ModelChecker> model_checker_;
27 std::shared_ptr<simgrid::mc::Snapshot> initial_snapshot_;
29 Session(pid_t pid, int socket);
32 Session(Session const&) = delete;
33 Session& operator=(Session const&) = delete;
40 void execute(Transition const& transition);
43 void restore_initial_state();
45 // static constructors
47 /** Create a new session by forking
49 * This sets up the environment for the model-checked process
50 * (environment variables, sockets, etc.).
52 * The code is expected to `exec` the model-checker program.
54 static Session* fork(const std::function<void()>& code);
56 /** Spawn a model-checked process
58 * @param path full path of the executable
59 * @param argv arguments for the model-checked process (NULL-terminated)
61 static Session* spawnv(const char *path, char *const argv[]);
63 /** Spawn a model-checked process (using PATH)
65 * @param file file name of the executable (found using `PATH`)
66 * @param argv arguments for the model-checked process (NULL-terminated)
68 static Session* spawnvp(const char *file, char *const argv[]);
72 extern simgrid::mc::Session* session;