class Promise {
public:
Promise(ModelAction *read, struct future_value fv);
- ModelAction * get_action() const { return read; }
+ bool add_reader(ModelAction *reader);
+ ModelAction * get_reader(unsigned int i) const;
+ unsigned int get_num_readers() const { return readers.size(); }
bool eliminate_thread(thread_id_t tid);
void add_thread(thread_id_t tid);
bool thread_is_available(thread_id_t tid) const;
const future_value fv;
- /** @brief The action which reads a promised value */
- ModelAction * const read;
+ /** @brief The action(s) which read the promised future value */
+ std::vector< ModelAction *, SnapshotAlloc<ModelAction *> > readers;
const ModelAction *write;
};