2 * @brief Core model checker.
17 #include "libthreads.h"
18 #include "libatomic.h"
21 #include "clockvector.h"
23 /* Forward declaration */
26 /** @brief The central structure for model-checking */
32 /** The scheduler to use: tracks the running/ready Threads */
35 /** Stores the context for the main model-checking system thread (call
37 * @param ctxt The system context structure
39 void set_system_context(ucontext_t *ctxt) { system_context = ctxt; }
41 /** @returns the context for the main model-checking system thread */
42 ucontext_t * get_system_context(void) { return system_context; }
44 void check_current_action(void);
45 void print_summary(void);
46 Thread * schedule_next_thread();
48 int add_thread(Thread *t);
49 void remove_thread(Thread *t);
50 Thread * get_thread(thread_id_t tid) { return (*thread_map)[id_to_int(tid)]; }
52 thread_id_t get_next_id();
53 int get_num_threads();
54 modelclock_t get_next_seq_num();
56 int switch_to_master(ModelAction *act);
57 ClockVector * get_cv(thread_id_t tid);
58 bool next_execution();
63 modelclock_t used_sequence_numbers;
67 * Stores the ModelAction for the current thread action. Call this
68 * immediately before switching from user- to system-context to pass
70 * @param act The ModelAction created by the user-thread action
72 void set_current_action(ModelAction *act) { current_action = act; }
74 ModelAction * get_last_conflict(ModelAction *act);
75 void set_backtracking(ModelAction *act);
76 thread_id_t get_next_replay_thread();
77 ModelAction * get_next_backtrack();
78 void reset_to_initial_state();
80 void add_action_to_lists(ModelAction *act);
81 ModelAction * get_last_action(thread_id_t tid);
82 ModelAction * get_parent_action(thread_id_t tid);
83 void build_reads_from_past(ModelAction *curr);
85 ModelAction *current_action;
87 thread_id_t nextThread;
89 ucontext_t *system_context;
90 action_list_t *action_trace;
91 std::map<int, Thread *> *thread_map;
92 std::map<void *, std::vector<action_list_t> > *obj_thrd_map;
93 std::vector<ModelAction *> *thrd_last_action;
94 NodeStack *node_stack;
95 ModelAction *next_backtrack;
98 extern ModelChecker *model;
100 #endif /* __MODEL_H__ */