*/
ModelAction::ModelAction(action_type_t type, memory_order order, void *loc,
uint64_t value, Thread *thread) :
- type(type),
- order(order),
- original_order(order),
location(loc),
- value(value),
reads_from(NULL),
last_fence_release(NULL),
node(NULL),
- seq_number(ACTION_INITIAL_CLOCK),
- cv(NULL)
+ cv(NULL),
+ value(value),
+ type(type),
+ order(order),
+ original_order(order),
+ seq_number(ACTION_INITIAL_CLOCK)
{
/* References to NULL atomic variables can end up here */
ASSERT(loc || type == ATOMIC_FENCE);
*/
ModelAction::ModelAction(action_type_t type, memory_order order, void *loc,
uint64_t value, int size) :
- type(type),
- order(order),
- original_order(order),
location(loc),
- value(value),
reads_from(NULL),
last_fence_release(NULL),
node(NULL),
- seq_number(ACTION_INITIAL_CLOCK),
- cv(NULL)
+ cv(NULL),
+ value(value),
+ type(type),
+ order(order),
+ original_order(order),
+ seq_number(ACTION_INITIAL_CLOCK)
{
/* References to NULL atomic variables can end up here */
ASSERT(loc);
ASSERT(is_read());
if (reads_from)
return reads_from->get_write_value();
- return VALUE_NONE; /* Only for new actions with no reads-from */
+ return VALUE_NONE; // Only for new actions with no reads-from
}
/**
reads_from = act;
- if (act->is_uninitialized()) { // WL
+ if (act->is_uninitialized()) { // WL
uint64_t val = *((uint64_t *) location);
ModelAction * act_initialized = (ModelAction *)act;
act_initialized->set_value(val);
/** @brief Represents an action type, identifying one of several types of
* ModelAction */
typedef enum action_type {
- THREAD_CREATE, /**< A thread creation action */
- THREAD_START, /**< First action in each thread */
- THREAD_YIELD, /**< A thread yield action */
- THREAD_JOIN, /**< A thread join action */
- THREAD_FINISH, /**< A thread completion action */
- PTHREAD_CREATE, /**< A pthread creation action */
- PTHREAD_JOIN, /**< A pthread join 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 */
- 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_UNLOCK, /**< An unlock action */
- ATOMIC_NOTIFY_ONE, /**< A notify_one 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 */
+ THREAD_CREATE, // < A thread creation action
+ THREAD_START, // < First action in each thread
+ THREAD_YIELD, // < A thread yield action
+ THREAD_JOIN, // < A thread join action
+ THREAD_FINISH, // < A thread completion action
+ PTHREAD_CREATE, // < A pthread creation action
+ PTHREAD_JOIN, // < A pthread join 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
+ 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_UNLOCK, // < An unlock action
+ ATOMIC_NOTIFY_ONE, // < A notify_one 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
} action_type_t;
bool is_conflicting_lock(const ModelAction *act) const;
bool could_synchronize_with(const ModelAction *act) const;
int getSize() const;
-
Thread * get_thread_operand() const;
-
void create_cv(const ModelAction *parent = NULL);
ClockVector * get_cv() const { return cv; }
bool synchronize_with(const ModelAction *act);
void process_rmw(ModelAction * act);
void copy_typeandorder(ModelAction * act);
-
unsigned int hash() const;
-
bool equals(const ModelAction *x) const { return this == x; }
-
- MEMALLOC
-
void set_value(uint64_t val) { value = val; }
/* to accomodate pthread create and join */
Thread * thread_operand;
void set_thread_operand(Thread *th) { thread_operand = th; }
+ MEMALLOC
private:
-
const char * get_type_str() const;
const char * get_mo_str() const;
- /** @brief Type of action (read, write, RMW, fence, thread create, etc.) */
- action_type type;
-
- /** @brief The memory order for this operation. */
- memory_order order;
-
- /** @brief The original memory order parameter for this operation. */
- memory_order original_order;
-
/** @brief A pointer to the memory location for this action. */
void *location;
- /** @brief The thread id that performed this action. */
- thread_id_t tid;
-
- /** @brief The value written (for write or RMW; undefined for read) */
- uint64_t value;
-
union {
/**
* @brief The store that this action reads from
const ModelAction *reads_from;
int size;
};
+
/** @brief The last fence release from the same thread */
const ModelAction *last_fence_release;
*/
Node *node;
- /**
- * @brief The sequence number of this action
- *
- * Except for ATOMIC_UNINIT actions, this number should be unique and
- * should represent the action's position in the execution order.
- */
- modelclock_t seq_number;
-
/**
* @brief The clock vector for this operation
*
* vectors for all operations.
*/
ClockVector *cv;
+
+ /** @brief The value written (for write or RMW; undefined for read) */
+ uint64_t value;
+
+ /** @brief Type of action (read, write, RMW, fence, thread create, etc.) */
+ action_type type;
+
+ /** @brief The memory order for this operation. */
+ memory_order order;
+
+ /** @brief The original memory order parameter for this operation. */
+ memory_order original_order;
+
+ /** @brief The thread id that performed this action. */
+ thread_id_t tid;
+
+ /**
+ * @brief The sequence number of this action
+ *
+ * Except for ATOMIC_UNINIT actions, this number should be unique and
+ * should represent the action's position in the execution order.
+ */
+ modelclock_t seq_number;
};
#endif/* __ACTION_H__ */
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