+#ifndef __ACTION_H__
+#define __ACTION_H__
+
+#include <list>
+
+#include "libthreads.h"
+#include "libatomic.h"
+#include "threads.h"
+
+#define VALUE_NONE -1
+
+typedef enum action_type {
+ THREAD_CREATE,
+ THREAD_YIELD,
+ THREAD_JOIN,
+ ATOMIC_READ,
+ ATOMIC_WRITE
+} action_type_t;
+
+/* Forward declaration (tree.h) */
+class TreeNode;
+
+class ModelAction {
+public:
+ ModelAction(action_type_t type, memory_order order, void *loc, int value);
+ void print(void);
+
+ thread_id_t get_tid() { return tid; }
+ action_type get_type() { return type; }
+ memory_order get_mo() { return order; }
+ void * get_location() { return location; }
+
+ TreeNode * get_node() { return node; }
+ void set_node(TreeNode *n) { node = n; }
+
+ bool is_read();
+ bool is_write();
+ bool is_acquire();
+ bool is_release();
+ bool same_var(ModelAction *act);
+ bool same_thread(ModelAction *act);
+ bool is_dependent(ModelAction *act);
+private:
+ action_type type;
+ memory_order order;
+ void *location;
+ thread_id_t tid;
+ int value;
+ TreeNode *node;
+};
+
+typedef std::list<class ModelAction *> action_list_t;
+
+#endif /* __ACTION_H__ */