#define VALUE_NONE 1234567890
+/** A special value to represent a successful trylock */
+
+#define VALUE_TRYSUCCESS 1
+
+/** A special value to represent a failed trylock */
+#define VALUE_TRYFAILED 0
+
/** @brief Represents an action type, identifying one of several types of
* ModelAction */
typedef enum action_type {
ATOMIC_RMWC, /**< Convert an atomic RMW action into a READ */
ATOMIC_INIT, /**< Initialization of an atomic object (e.g.,
* atomic_init()) */
- ATOMIC_FENCE,
- ATOMIC_LOCK,
- ATOMIC_TRYLOCK,
- ATOMIC_UNLOCK
+ ATOMIC_FENCE, /**< A fence action */
+ ATOMIC_LOCK, /**< A lock action */
+ ATOMIC_TRYLOCK, /**< A trylock action */
+ ATOMIC_UNLOCK /**< An unlock action */
} action_type_t;
/* Forward declaration */
Node * get_node() const { return node; }
void set_node(Node *n) { node = n; }
+ void copy_from_new(ModelAction *newaction);
+ void set_try_lock(bool obtainedlock);
+ bool is_mutex_op() const;
+ bool is_lock() const;
+ bool is_trylock() const;
+ bool is_unlock() const;
+ bool is_success_lock() const;
+ bool is_failed_trylock() const;
bool is_read() const;
bool is_write() const;
bool is_rmwr() const;
bool is_seqcst() const;
bool same_var(const ModelAction *act) const;
bool same_thread(const ModelAction *act) const;
+ bool is_conflicting_lock(const ModelAction *act) const;
bool is_synchronizing(const ModelAction *act) const;
void create_cv(const ModelAction *parent = NULL);