X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=nodestack.h;h=6c9779497e71f96e0621b37e762fbb199bd0556c;hb=9a416eb64865be1728786eb65b1c4b995cfa194d;hp=b391645b3af7a458e9271fc1bd60d762c5935605;hpb=fa47e498d6eb6a97d25bc255df1c08bf66bc4c40;p=model-checker.git

diff --git a/nodestack.h b/nodestack.h
index b391645..6c97794 100644
--- a/nodestack.h
+++ b/nodestack.h
@@ -10,6 +10,7 @@
 #include <cstddef>
 #include "threads.h"
 #include "mymemory.h"
+#include "clockvector.h"
 
 class ModelAction;
 
@@ -26,6 +27,12 @@ typedef enum {
 	PROMISE_FULFILLED /**< This promise is applicable and fulfilled */
 } promise_t;
 
+struct future_value {
+	uint64_t value;
+	modelclock_t expiration;
+};
+
+
 /**
  * @brief A single node in a NodeStack
  *
@@ -55,8 +62,9 @@ public:
 	 * occurred previously in the stack. */
 	Node * get_parent() const { return parent; }
 
-	bool add_future_value(uint64_t value);
+	bool add_future_value(uint64_t value, modelclock_t expiration);
 	uint64_t get_future_value();
+	modelclock_t get_future_value_expiration();
 	bool increment_future_value();
 	bool future_value_empty();
 
@@ -92,7 +100,7 @@ private:
 
 	unsigned int read_from_index;
 
-	std::vector< uint64_t, MyAlloc< uint64_t > > future_values;
+	std::vector< struct future_value, MyAlloc<struct future_value> > future_values;
 	std::vector< promise_t, MyAlloc<promise_t> > promises;
 	unsigned int future_index;
 };