+class ModelChecker {
+public:
+ ModelChecker();
+ ~ModelChecker();
+ class Scheduler *scheduler;
+
+ void set_system_context(ucontext_t *ctxt) { system_context = ctxt; }
+ ucontext_t * get_system_context(void) { return system_context; }
+
+ void set_current_action(ModelAction *act) { current_action = act; }
+ void check_current_action(void);
+ void print_summary(void);
+ Thread * schedule_next_thread();
+
+ int add_thread(Thread *t);
+ void remove_thread(Thread *t);
+ Thread * get_thread(thread_id_t tid) { return thread_map[tid]; }
+
+ int get_next_id();
+
+ int switch_to_master(ModelAction *act);
+
+ bool next_execution();
+private:
+ int used_thread_id;
+ int num_executions;
+
+ ModelAction * get_last_conflict(ModelAction *act);
+ void set_backtracking(ModelAction *act);
+ thread_id_t advance_backtracking_state();
+ thread_id_t get_next_replay_thread();
+ Backtrack * get_next_backtrack();
+ void reset_to_initial_state();
+
+ class ModelAction *current_action;
+ Backtrack *exploring;
+ thread_id_t nextThread;
+
+ ucontext_t *system_context;
+ action_list_t *action_trace;
+ std::map<thread_id_t, class Thread *> thread_map;
+ class TreeNode *rootNode, *currentNode;
+ std::list<class Backtrack *> backtrack_list;
+};