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"
28 /** State of the model-checker (global variables for the model checker)
31 struct pollfd fds_[2];
32 /** String pool for host names */
33 // TODO, use std::unordered_set with heterogeneous comparison lookup (C++14)
34 xbt_dict_t /* <hostname, nullptr> */ hostnames_;
35 // This is the parent snapshot of the current state:
36 PageStore page_store_;
37 std::unique_ptr<Process> process_;
39 mc_snapshot_t parent_snapshot_;
42 ModelChecker(ModelChecker const&) = delete;
43 ModelChecker& operator=(ModelChecker const&) = delete;
44 ModelChecker(std::unique_ptr<Process> process);
51 PageStore& page_store()
55 const char* get_host_name(const char* name);
57 bool is_important_snapshot(Snapshot const& snapshot) const
59 return &snapshot == this->parent_snapshot_;
64 void resume(simgrid::mc::Process& process);
67 void wait_client(simgrid::mc::Process& process);
68 void simcall_handle(simgrid::mc::Process& process, unsigned long pid, int value);
69 void wait_for_requests()
71 mc_model_checker->wait_client(mc_model_checker->process());
73 void exit(int status);
76 bool handle_message(char* buffer, ssize_t size);
77 void handle_signals();
78 void handle_waitpid();
79 void on_signal(const struct signalfd_siginfo* info);