+/** @file action.h
+ * @brief Models actions taken by threads.
+ */
+
#ifndef __ACTION_H__
#define __ACTION_H__
/* Forward declaration */
class Node;
class ClockVector;
+
/**
* The ModelAction class encapsulates an atomic action.
*/
-
class ModelAction {
public:
ModelAction(action_type_t type, memory_order order, void *loc, int value);
bool is_read();
bool is_write();
+ bool is_rmw();
bool is_acquire();
bool is_release();
+ bool is_seqcst();
bool same_var(ModelAction *act);
bool same_thread(ModelAction *act);
- bool is_dependent(ModelAction *act);
+ bool is_synchronizing(ModelAction *act);
void create_cv(ModelAction *parent = NULL);
void read_from(ModelAction *act);
/** The thread id that performed this action. */
thread_id_t tid;
- /** The value written. This should probably be something longer. */
+ /** The value read or written (if RMW, then the value written). This
+ * should probably be something longer. */
int value;
+ /** A back reference to a Node in NodeStack, if this ModelAction is
+ * saved on the NodeStack. */
Node *node;
int seq_number;
- /** The clock vector stored with this action if this action is a
- * store release */
-
+ /** The clock vector stored with this action; only needed if this
+ * action is a store release? */
ClockVector *cv;
};