+/** @file model.h
+ * @brief Core model checker.
+ */
+
#ifndef __MODEL_H__
#define __MODEL_H__
#include "libatomic.h"
#include "threads.h"
#include "action.h"
+#include "clockvector.h"
/* Forward declaration */
class NodeStack;
+/** @brief The central structure for model-checking */
class ModelChecker {
public:
ModelChecker();
~ModelChecker();
- class Scheduler *scheduler;
+ /** 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; }
- void set_current_action(ModelAction *act) { current_action = act; }
void check_current_action(void);
void print_summary(void);
Thread * schedule_next_thread();
thread_id_t get_next_id();
int get_num_threads();
- int get_next_seq_num();
+ modelclock_t get_next_seq_num();
int switch_to_master(ModelAction *act);
MEMALLOC
private:
int next_thread_id;
- int used_sequence_numbers;
+ modelclock_t used_sequence_numbers;
int num_executions;
+ /**
+ * Stores the ModelAction for the current thread action. Call this
+ * immediately before switching from user- to system-context to pass
+ * data between them.
+ * @param act The ModelAction created by the user-thread action
+ */
+ void set_current_action(ModelAction *act) { current_action = act; }
+
ModelAction * get_last_conflict(ModelAction *act);
void set_backtracking(ModelAction *act);
thread_id_t get_next_replay_thread();
void add_action_to_lists(ModelAction *act);
ModelAction * get_last_action(thread_id_t tid);
-
- void print_list(action_list_t *list);
+ ModelAction * get_parent_action(thread_id_t tid);
+ void build_reads_from_past(ModelAction *curr);
ModelAction *current_action;
ModelAction *diverge;
ucontext_t *system_context;
action_list_t *action_trace;
- std::map<int, class Thread *> *thread_map;
+ std::map<int, Thread *> *thread_map;
std::map<void *, std::vector<action_list_t> > *obj_thrd_map;
std::vector<ModelAction *> *thrd_last_action;
- class NodeStack *node_stack;
+ NodeStack *node_stack;
ModelAction *next_backtrack;
};