class Promise {
public:
Promise(ModelAction *act, struct future_value fv) :
+ num_available_threads(0),
value(fv.value),
expiration(fv.expiration),
read(act),
write(NULL)
{
+ add_thread(fv.tid);
eliminate_thread(act->get_tid());
}
modelclock_t get_expiration() const { return expiration; }
ModelAction * get_action() const { return read; }
bool eliminate_thread(thread_id_t tid);
- bool thread_is_eliminated(thread_id_t tid) const;
+ void add_thread(thread_id_t tid);
+ bool thread_is_available(thread_id_t tid) const;
bool has_failed() const;
uint64_t get_value() const { return value; }
void set_write(const ModelAction *act) { write = act; }
const ModelAction * get_write() { return write; }
+ int get_num_available_threads() { return num_available_threads; }
+
+ void print() const;
SNAPSHOTALLOC
private:
- std::vector< bool, SnapshotAlloc<bool> > eliminated_thread;
+ /** @brief Thread ID(s) for thread(s) that potentially can satisfy this
+ * promise */
+ std::vector< bool, SnapshotAlloc<bool> > available_thread;
+
+ int num_available_threads;
+
const uint64_t value;
const modelclock_t expiration;
ModelAction * const read;