class CycleNode;
class ModelAction;
+typedef std::vector< const Promise *, ModelAlloc<const Promise *> > promise_list_t;
+
/** @brief A graph of Model Actions for tracking cycles. */
class CycleGraph {
public:
bool checkForCycles() const;
void addRMWEdge(const ModelAction *from, const ModelAction *rmw);
bool checkPromise(const ModelAction *from, Promise *p) const;
- bool checkReachable(const ModelAction *from, const ModelAction *to) const;
+
+ template <typename T>
+ bool checkReachable(const ModelAction *from, const T *to) const;
+
void startChanges();
void commitChanges();
void rollbackChanges();
void dumpGraphToFile(const char *filename) const;
#endif
+ bool resolvePromise(ModelAction *reader, ModelAction *writer,
+ promise_list_t *mustResolve);
+
SNAPSHOTALLOC
private:
void addNodeEdge(CycleNode *fromnode, CycleNode *tonode);
void putNode(const ModelAction *act, CycleNode *node);
- CycleNode * getNode(const ModelAction *);
+ CycleNode * getNode(const ModelAction *act);
CycleNode * getNode(const Promise *promise);
+ CycleNode * getNode_noCreate(const ModelAction *act) const;
+ CycleNode * getNode_noCreate(const Promise *promise) const;
+ bool mergeNodes(CycleNode *node1, CycleNode *node2,
+ promise_list_t *mustMerge);
HashTable<const CycleNode *, const CycleNode *, uintptr_t, 4, model_malloc, model_calloc, model_free> *discovered;
CycleNode * getRMW() const;
void clearRMW() { hasRMW = NULL; }
const ModelAction * getAction() const { return action; }
+ const Promise * getPromise() const { return promise; }
void popEdge() {
edges.pop_back();
}
bool is_promise() const { return !action; }
+ void resolvePromise(const ModelAction *writer);
SNAPSHOTALLOC
private: