1 /* Copyright (c) 2007-2015. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #ifndef SIMGRID_MC_MODEL_CHECKER_HPP
8 #define SIMGRID_MC_MODEL_CHECKER_HPP
10 #include <sys/types.h>
15 #include <simgrid_config.h>
18 #include <sys/types.h>
20 #include "src/mc/mc_forward.hpp"
21 #include "src/mc/Process.hpp"
22 #include "src/mc/PageStore.hpp"
23 #include "src/mc/mc_protocol.h"
24 #include "src/mc/Transition.hpp"
29 /** State of the model-checker (global variables for the model checker)
32 struct pollfd fds_[2];
33 /** String pool for host names */
34 // TODO, use std::set with heterogeneous comparison lookup (C++14)?
35 xbt_dict_t /* <hostname, nullptr> */ hostnames_;
36 // This is the parent snapshot of the current state:
37 PageStore page_store_;
38 std::unique_ptr<Process> process_;
39 Checker* checker_ = nullptr;
41 std::shared_ptr<simgrid::mc::Snapshot> parent_snapshot_;
44 ModelChecker(ModelChecker const&) = delete;
45 ModelChecker& operator=(ModelChecker const&) = delete;
46 ModelChecker(std::unique_ptr<Process> process);
53 PageStore& page_store()
57 const char* get_host_name(const char* name);
61 void resume(simgrid::mc::Process& process);
64 void wait_client(simgrid::mc::Process& process);
65 void handle_simcall(Transition const& transition);
66 void wait_for_requests()
68 mc_model_checker->wait_client(mc_model_checker->process());
70 void exit(int status);
74 Checker* getChecker() const { return checker_; }
75 void setChecker(Checker* checker) { checker_ = checker; }
79 bool handle_message(char* buffer, ssize_t size);
80 void handle_signals();
81 void handle_waitpid();
82 void on_signal(const struct signalfd_siginfo* info);
85 unsigned long visited_states = 0;
86 unsigned long executed_transitions = 0;