/* return false = thread was already in backtrack */
bool set_backtrack(thread_id_t id);
thread_id_t get_next_backtrack();
bool is_enabled(Thread *t);
bool is_enabled(thread_id_t tid);
ModelAction * get_action() { return action; }
/* return false = thread was already in backtrack */
bool set_backtrack(thread_id_t id);
thread_id_t get_next_backtrack();
bool is_enabled(Thread *t);
bool is_enabled(thread_id_t tid);
ModelAction * get_action() { return action; }
int get_num_threads() {return num_threads;}
/** @return the parent Node to this Node; that is, the action that
* occurred previously in the stack. */
int get_num_threads() {return num_threads;}
/** @return the parent Node to this Node; that is, the action that
* occurred previously in the stack. */
+ enabled_type_t *get_enabled_array() {return enabled_array;}
+
+ void add_relseq_break(const ModelAction *write);
+ const ModelAction * get_relseq_break();
+ bool increment_relseq_break();
+ bool relseq_break_empty();
std::vector< bool, ModelAlloc<bool> > backtrack;
std::vector< struct fairness_info, ModelAlloc< struct fairness_info> > fairness;
int numBacktracks;
std::vector< bool, ModelAlloc<bool> > backtrack;
std::vector< struct fairness_info, ModelAlloc< struct fairness_info> > fairness;
int numBacktracks;
/** The set of ModelActions that this the action at this Node may read
* from. Only meaningful if this Node represents a 'read' action. */
/** The set of ModelActions that this the action at this Node may read
* from. Only meaningful if this Node represents a 'read' action. */
std::vector< struct future_value, ModelAlloc<struct future_value> > future_values;
std::vector< promise_t, ModelAlloc<promise_t> > promises;
int future_index;
std::vector< struct future_value, ModelAlloc<struct future_value> > future_values;
std::vector< promise_t, ModelAlloc<promise_t> > promises;
int future_index;