#define __PROMISE_H__
#include <inttypes.h>
-#include <vector>
#include "modeltypes.h"
#include "mymemory.h"
+#include "stl-model.h"
class ModelAction;
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;
int get_num_available_threads() const { return num_available_threads; }
bool is_compatible(const ModelAction *act) const;
bool is_compatible_exclusive(const ModelAction *act) const;
+ bool same_value(const ModelAction *write) const;
+ bool same_location(const ModelAction *act) const;
modelclock_t get_expiration() const { return fv.expiration; }
uint64_t get_value() const { return fv.value; }
private:
/** @brief Thread ID(s) for thread(s) that potentially can satisfy this
* promise */
- std::vector< bool, SnapshotAlloc<bool> > available_thread;
+ SnapVector<bool> available_thread;
int num_available_threads;
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 */
+ SnapVector<ModelAction *> readers;
const ModelAction *write;
};