X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;ds=sidebyside;f=nodestack.cc;h=76d167d82a9438e6cd941d114c5a172867ca0780;hb=59eb730e1d19a0825008c40eb521bfc5c29df5f9;hp=d5425e335dad86614b4e09db71717e0b00dfe2d2;hpb=61db3a1768f1b90ad997e648a7e622c7ef47b69b;p=model-checker.git

diff --git a/nodestack.cc b/nodestack.cc
index d5425e3..76d167d 100644
--- a/nodestack.cc
+++ b/nodestack.cc
@@ -4,6 +4,7 @@
 #include "action.h"
 #include "common.h"
 #include "model.h"
+#include "threads.h"
 
 /**
  * @brief Node constructor
@@ -46,7 +47,7 @@ Node::Node(ModelAction *act, Node *par, int nthreads, Node *prevfairness)
 				if (prevfi) {
 					*fi=*prevfi;
 				}
-				if (parent->enabled_array[i]) {
+				if (parent->enabled_array[i]==THREAD_ENABLED) {
 					fi->enabled_count++;
 				}
 				if (i==currtid) {
@@ -55,7 +56,7 @@ Node::Node(ModelAction *act, Node *par, int nthreads, Node *prevfairness)
 				}
 				//Do window processing
 				if (prevfairness != NULL) {
-					if (prevfairness -> parent->enabled_array[i])
+					if (prevfairness -> parent->enabled_array[i] == THREAD_ENABLED)
 						fi->enabled_count--;
 					if (i==prevtid) {
 						fi->turns--;
@@ -215,15 +216,15 @@ bool Node::read_from_empty() {
  * Mark the appropriate backtracking information for exploring a thread choice.
  * @param act The ModelAction to explore
  */
-void Node::explore_child(ModelAction *act, bool * is_enabled)
+void Node::explore_child(ModelAction *act, enabled_type_t * is_enabled)
 {
 	if ( ! enabled_array )
-		enabled_array=(bool *)model_malloc(sizeof(bool)*num_threads);
+		enabled_array=(enabled_type_t *)model_malloc(sizeof(enabled_type_t)*num_threads);
 	if (is_enabled != NULL)
-		memcpy(enabled_array, is_enabled, sizeof(bool)*num_threads);
+		memcpy(enabled_array, is_enabled, sizeof(enabled_type_t)*num_threads);
 	else {
 		for(int i=0;i<num_threads;i++)
-			enabled_array[i]=false;
+			enabled_array[i]=THREAD_DISABLED;
 	}
 
 	explore(act->get_tid());
@@ -264,13 +265,18 @@ thread_id_t Node::get_next_backtrack()
 bool Node::is_enabled(Thread *t)
 {
 	int thread_id=id_to_int(t->get_id());
-	return thread_id < num_threads && enabled_array[thread_id];
+	return thread_id < num_threads && (enabled_array[thread_id] != THREAD_DISABLED);
 }
 
 bool Node::is_enabled(thread_id_t tid)
 {
 	int thread_id=id_to_int(tid);
-	return thread_id < num_threads && enabled_array[thread_id];
+	return thread_id < num_threads && (enabled_array[thread_id] != THREAD_DISABLED);
+}
+
+bool Node::has_priority(thread_id_t tid)
+{
+	return fairness[id_to_int(tid)].priority;
 }
 
 /**
@@ -356,16 +362,18 @@ void Node::explore(thread_id_t tid)
 	explored_children[i] = true;
 }
 
-NodeStack::NodeStack()
-	: total_nodes(0)
+NodeStack::NodeStack() :
+	node_list(1, new Node()),
+	iter(0),
+	total_nodes(0)
 {
-	node_list.push_back(new Node());
 	total_nodes++;
-	iter = 0;
 }
 
 NodeStack::~NodeStack()
 {
+	for (unsigned int i = 0; i < node_list.size(); i++)
+		delete node_list[i];
 }
 
 void NodeStack::print()
@@ -383,7 +391,7 @@ void NodeStack::print()
 /** Note: The is_enabled set contains what actions were enabled when
  *  act was chosen. */
 
-ModelAction * NodeStack::explore_action(ModelAction *act, bool * is_enabled)
+ModelAction * NodeStack::explore_action(ModelAction *act, enabled_type_t * is_enabled)
 {
 	DBG();