using std::memory_order_seq_cst;
/** Note that this value can be legitimately used by a program, and
- hence by iteself does not indicate no value. */
-
+ * hence by iteself does not indicate no value. */
#define VALUE_NONE 0xdeadbeef
/** A special value to represent a successful trylock */
-
#define VALUE_TRYSUCCESS 1
/** A special value to represent a failed trylock */
THREAD_YIELD, /**< A thread yield action */
THREAD_JOIN, /**< A thread join action */
THREAD_FINISH, /**< A thread completion action */
+ ATOMIC_UNINIT, /**< Represents an uninitialized atomic */
ATOMIC_READ, /**< An atomic read action */
ATOMIC_WRITE, /**< An atomic write action */
ATOMIC_RMWR, /**< The read part of an atomic RMW action */
uint64_t get_value() const { return value; }
const ModelAction * get_reads_from() const { return reads_from; }
- Node * get_node() const { return node; }
+ Node * get_node() const;
void set_node(Node *n) { node = n; }
+ void set_read_from(const ModelAction *act);
+
+ /** Store the most recent fence-release from the same thread
+ * @param fence The fence-release that occured prior to this */
+ void set_last_fence_release(const ModelAction *fence) { last_fence_release = fence; }
+ /** @return The most recent fence-release from the same thread */
+ const ModelAction * get_last_fence_release() const { return last_fence_release; }
+
void copy_from_new(ModelAction *newaction);
void set_seq_number(modelclock_t num);
void set_try_lock(bool obtainedlock);
+ bool is_thread_start() const;
bool is_relseq_fixup() const;
bool is_mutex_op() const;
bool is_lock() const;
bool is_trylock() const;
bool is_unlock() const;
+ bool is_wait() const;
+ bool is_notify() const;
+ bool is_notify_one() const;
bool is_success_lock() const;
bool is_failed_trylock() const;
+ bool is_atomic_var() const;
+ bool is_uninitialized() const;
bool is_read() const;
bool is_write() const;
bool could_be_write() const;
bool is_rmw() const;
bool is_fence() const;
bool is_initialization() const;
+ bool is_relaxed() const;
bool is_acquire() const;
bool is_release() const;
bool is_seqcst() const;
bool is_conflicting_lock(const ModelAction *act) const;
bool could_synchronize_with(const ModelAction *act) const;
+ Thread * get_thread_operand() const;
+
void create_cv(const ModelAction *parent = NULL);
ClockVector * get_cv() const { return cv; }
- bool read_from(const ModelAction *act);
bool synchronize_with(const ModelAction *act);
bool has_synchronized_with(const ModelAction *act) const;
/** The action that this action reads from. Only valid for reads */
const ModelAction *reads_from;
+ /** The last fence release from the same thread */
+ const ModelAction *last_fence_release;
+
/** A back reference to a Node in NodeStack, if this ModelAction is
* saved on the NodeStack. */
Node *node;