#include "stl-model.h"
#include "context.h"
#include "params.h"
-
-/* Forward declaration */
-class Node;
-class NodeStack;
-class CycleGraph;
-class Promise;
-class Scheduler;
-class Thread;
-class ClockVector;
-class TraceAnalysis;
-class ModelExecution;
-class ModelAction;
+#include "classlist.h"
typedef SnapList<ModelAction *> action_list_t;
/** @brief Model checker execution stats */
struct execution_stats {
- int num_total; /**< @brief Total number of executions */
- int num_infeasible; /**< @brief Number of infeasible executions */
- int num_buggy_executions; /** @brief Number of buggy executions */
- int num_complete; /**< @brief Number of feasible, non-buggy, complete executions */
- int num_redundant; /**< @brief Number of redundant, aborted executions */
+ int num_total; /**< @brief Total number of executions */
+ int num_infeasible; /**< @brief Number of infeasible executions */
+ int num_buggy_executions; /** @brief Number of buggy executions */
+ int num_complete; /**< @brief Number of feasible, non-buggy, complete executions */
+ int num_redundant; /**< @brief Number of redundant, aborted executions */
};
/** @brief The central structure for model-checking */
class ModelChecker {
public:
- ModelChecker(struct model_params params);
+ ModelChecker();
~ModelChecker();
-
+ void setParams(struct model_params params);
void run();
+ /** Restart the model checker, intended for pluggins. */
+ void restart();
+
+ /** Exit the model checker, intended for pluggins. */
+ void exit_model_checker();
+
/** @returns the context for the main model-checking system thread */
ucontext_t * get_system_context() { return &system_context; }
- const ModelExecution * get_execution() const { return execution; }
+ ModelExecution * get_execution() const { return execution; }
+
+ int get_execution_number() const { return execution_number; }
Thread * get_thread(thread_id_t tid) const;
Thread * get_thread(const ModelAction *act) const;
- bool is_enabled(Thread *t) const;
- bool is_enabled(thread_id_t tid) const;
-
- thread_id_t get_next_id();
- unsigned int get_num_threads() const;
Thread * get_current_thread() const;
void switch_from_master(Thread *thread);
uint64_t switch_to_master(ModelAction *act);
- void check_promises_thread_disabled();
bool assert_bug(const char *msg, ...);
void assert_user_bug(const char *msg);
- const model_params params;
- void add_trace_analysis(TraceAnalysis *a) {
- trace_analyses->push_back(a);
- }
-
- action_list_t * get_actions_on_obj(void * obj, thread_id_t tid);
- ModelAction * get_last_action(thread_id_t tid) const;
-
+ model_params params;
+ void add_trace_analysis(TraceAnalysis *a) { trace_analyses.push_back(a); }
+ void set_inspect_plugin(TraceAnalysis *a) { inspect_plugin=a; }
MEMALLOC
private:
+ /** Flag indicates whether to restart the model checker. */
+ bool restart_flag;
+
/** The scheduler to use: tracks the running/ready Threads */
Scheduler * const scheduler;
NodeStack * const node_stack;
ModelExecution *execution;
+ Thread * init_thread;
- void execute_sleep_set();
+ int execution_number;
+
+ unsigned int get_num_threads() const;
bool next_execution();
bool should_terminate_execution();
Thread * get_next_thread();
void reset_to_initial_state();
-
- ModelAction *diverge;
- ModelAction *earliest_diverge;
-
ucontext_t system_context;
- ModelVector<TraceAnalysis *> * trace_analyses;
+ ModelVector<TraceAnalysis *> trace_analyses;
+ /** @bref Implement restart. */
+ void do_restart();
+ /** @bref Plugin that can inspect new actions. */
+ TraceAnalysis *inspect_plugin;
/** @brief The cumulative execution stats */
struct execution_stats stats;
void record_stats();
};
extern ModelChecker *model;
-
-#endif /* __MODEL_H__ */
+extern bool modelchecker_started;
+#endif /* __MODEL_H__ */