#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_RMWR, /**< The read part of an atomic RMW action */
ATOMIC_RMW, /**< The write part of an atomic RMW action */
ATOMIC_RMWC, /**< Convert an atomic RMW action into a READ */
- ATOMIC_INIT /**< Initialization of an atomic object (e.g.,
+ ATOMIC_INIT, /**< Initialization of an atomic object (e.g.,
* atomic_init()) */
+ 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 */
public:
ModelAction(action_type_t type, memory_order order, void *loc, uint64_t value = VALUE_NONE);
~ModelAction();
- void print(void) const;
+ void print(bool print_cv = true) const;
thread_id_t get_tid() const { return tid; }
action_type get_type() const { return type; }
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_rmwc() const;
bool is_rmw() const;
+ bool is_fence() const;
bool is_initialization() const;
bool is_acquire() const;
bool is_release() 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);
ClockVector * get_cv() const { return cv; }
void read_from(const ModelAction *act);
- void synchronize_with(const ModelAction *act);
+ bool synchronize_with(const ModelAction *act);
bool has_synchronized_with(const ModelAction *act) const;
bool happens_before(const ModelAction *act) const;