class CycleGraph;
class Promise;
+/**
+ * Model checker parameter structure. Holds run-time configuration options for
+ * the model checker.
+ */
+struct model_params {
+};
+
/** @brief The central structure for model-checking */
class ModelChecker {
public:
- ModelChecker();
+ ModelChecker(struct model_params params);
~ModelChecker();
- /** The scheduler to use: tracks the running/ready Threads */
- Scheduler *scheduler;
-
- /** Stores the context for the main model-checking system thread (call
- * once)
- * @param ctxt The system context structure
- */
- void set_system_context(ucontext_t *ctxt) { system_context = ctxt; }
-
/** @returns the context for the main model-checking system thread */
- ucontext_t * get_system_context(void) { return system_context; }
+ ucontext_t * get_system_context() { return &system_context; }
void check_current_action(void);
- void print_summary(void);
+
+ /** Prints an execution summary with trace information. */
+ void print_summary();
+
Thread * schedule_next_thread();
- int add_thread(Thread *t);
+ void add_thread(Thread *t);
void remove_thread(Thread *t);
Thread * get_thread(thread_id_t tid) { return thread_map->get(id_to_int(tid)); }
int get_num_threads();
modelclock_t get_next_seq_num();
+ /** @return The currently executing Thread. */
+ Thread * get_current_thread() { return scheduler->get_current_thread(); }
+
int switch_to_master(ModelAction *act);
ClockVector * get_cv(thread_id_t tid);
bool next_execution();
bool isfinalfeasible();
void check_promises(ClockVector *old_cv, ClockVector * merge_cv);
+ void finish_execution();
+
MEMALLOC
private:
+ /** The scheduler to use: tracks the running/ready Threads */
+ Scheduler *scheduler;
+
int next_thread_id;
modelclock_t used_sequence_numbers;
int num_executions;
+ const model_params params;
+
/**
* Stores the ModelAction for the current thread action. Call this
* immediately before switching from user- to system-context to pass
*/
void set_current_action(ModelAction *act) { current_action = act; }
+ bool take_step();
+
ModelAction * get_last_conflict(ModelAction *act);
void set_backtracking(ModelAction *act);
thread_id_t get_next_replay_thread();
ModelAction *diverge;
thread_id_t nextThread;
- ucontext_t *system_context;
+ ucontext_t system_context;
action_list_t *action_trace;
HashTable<int, Thread *, int> *thread_map;