THREAD_YIELD, // < A thread yield action
THREAD_JOIN, // < A thread join action
THREAD_FINISH, // < A thread completion action
+ THREADONLY_FINISH, // < A thread completion action
PTHREAD_CREATE, // < A pthread creation action
PTHREAD_JOIN, // < A pthread join action
+ THREAD_SLEEP, // < A sleep operation
ATOMIC_UNINIT, // < Represents an uninitialized atomic
- ATOMIC_READ, // < An atomic read action
+ NONATOMIC_WRITE, // < Represents a non-atomic store
+ ATOMIC_INIT, // < Initialization of an atomic object (e.g., atomic_init())
ATOMIC_WRITE, // < An atomic write action
+ ATOMIC_RMW, // < The write part of an atomic RMW action
+ ATOMIC_READ, // < An atomic read action
ATOMIC_RMWR, // < The read part of an atomic RMW action
ATOMIC_RMWRCAS, // < 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())
+
ATOMIC_FENCE, // < A fence action
ATOMIC_LOCK, // < A lock action
ATOMIC_TRYLOCK, // < A trylock action
ATOMIC_NOTIFY_ALL, // < A notify all action
ATOMIC_WAIT, // < A wait action
ATOMIC_ANNOTATION, // < An annotation action to pass information to a trace analysis
- NOOP
+ NOOP // no operation, which returns control to scheduler
} action_type_t;
public:
ModelAction(action_type_t type, memory_order order, void *loc, uint64_t value = VALUE_NONE, Thread *thread = NULL);
ModelAction(action_type_t type, memory_order order, void *loc, uint64_t value, int size);
+ ModelAction(action_type_t type, const char * position, memory_order order, void *loc, uint64_t value, int size);
+ ModelAction(action_type_t type, memory_order order, uint64_t value, uint64_t time);
ModelAction(action_type_t type, const char * position, memory_order order, void *loc, uint64_t value = VALUE_NONE, Thread *thread = NULL);
~ModelAction();
void print() const;
uint64_t get_reads_from_value() const;
uint64_t get_write_value() const;
uint64_t get_return_value() const;
- const ModelAction * get_reads_from() const { return reads_from; }
+ ModelAction * get_reads_from() const { return reads_from; }
+ uint64_t get_time() const {return time;}
cdsc::mutex * get_mutex() const;
- Node * get_node() const;
- void set_node(Node *n) { node = n; }
-
- void set_read_from(const ModelAction *act);
+ void set_read_from(ModelAction *act);
/** Store the most recent fence-release from the same thread
* @param fence The fence-release that occured prior to this */
bool is_thread_join() const;
bool is_mutex_op() const;
bool is_lock() const;
+ bool is_sleep() const;
bool is_trylock() const;
bool is_unlock() const;
bool is_wait() const;
Thread * get_thread_operand() const;
void create_cv(const ModelAction *parent = NULL);
ClockVector * get_cv() const { return cv; }
+ ClockVector * get_rfcv() const { return rf_cv; }
+ void set_rfcv(ClockVector * rfcv) { rf_cv = rfcv; }
bool synchronize_with(const ModelAction *act);
bool has_synchronized_with(const ModelAction *act) const;
/* to accomodate pthread create and join */
Thread * thread_operand;
void set_thread_operand(Thread *th) { thread_operand = th; }
- MEMALLOC
+ void set_uninit_action(ModelAction *act) { uninitaction = act; }
+ ModelAction * get_uninit_action() { return uninitaction; }
+ SNAPSHOTALLOC
private:
const char * get_type_str() const;
const char * get_mo_str() const;
*
* Only valid for reads
*/
- const ModelAction *reads_from;
+ ModelAction *reads_from;
int size;
+ uint64_t time; //used for sleep
};
/** @brief The last fence release from the same thread */
const ModelAction *last_fence_release;
-
- /**
- * @brief A back reference to a Node in NodeStack
- *
- * Only set if this ModelAction is saved on the NodeStack. (A
- * ModelAction can be thrown away before it ever enters the NodeStack.)
- */
- Node *node;
+ ModelAction * uninitaction;
/**
* @brief The clock vector for this operation
* vectors for all operations.
*/
ClockVector *cv;
+ ClockVector *rf_cv;
/** @brief The value written (for write or RMW; undefined for read) */
uint64_t value;
+ /** @brief The value this action read from (only used when reads_from is an
+ * uninitialized action) */
+ uint64_t reads_from_value;
+
/** @brief Type of action (read, write, RMW, fence, thread create, etc.) */
action_type type;