cyclegraph: small cleanup

diff --git a/cyclegraph.cc b/cyclegraph.cc
index 2eaec3689d51b1b9f2f40b3eb48da182ec6d6bd7..edf582b318d05bc731fb1fee943589fbd373610e 100644 (file)
--- a/cyclegraph.cc
+++ b/cyclegraph.cc
@@ -135,12 +135,12 @@ void CycleGraph::addRMWEdge(const ModelAction *from, const ModelAction *rmw)
 }
 
 #if SUPPORT_MOD_ORDER_DUMP
-void CycleGraph::dumpNodes(FILE *file)
+void CycleGraph::dumpNodes(FILE *file) const
 {
        for (unsigned int i = 0; i < nodeList.size(); i++) {
                CycleNode *cn = nodeList[i];
                const ModelAction *action = cn->getAction();
-               fprintf(file, "N%u [label=\"%u, T%u\"];\n",action->get_seq_number(),action->get_seq_number(), action->get_tid());
+               fprintf(file, "N%u [label=\"%u, T%u\"];\n", action->get_seq_number(), action->get_seq_number(), action->get_tid());
                if (cn->getRMW() != NULL) {
                        fprintf(file, "N%u -> N%u[style=dotted];\n", action->get_seq_number(), cn->getRMW()->getAction()->get_seq_number());
                }
@@ -152,7 +152,7 @@ void CycleGraph::dumpNodes(FILE *file)
        }
 }
 
-void CycleGraph::dumpGraphToFile(const char *filename)
+void CycleGraph::dumpGraphToFile(const char *filename) const
 {
        char buffer[200];
        sprintf(buffer, "%s.dot", filename);
@@ -170,7 +170,7 @@ void CycleGraph::dumpGraphToFile(const char *filename)
  * @param to The ModelAction to reach
  * @return True, @a from can reach @a to; otherwise, false
  */
-bool CycleGraph::checkReachable(const ModelAction *from, const ModelAction *to)
+bool CycleGraph::checkReachable(const ModelAction *from, const ModelAction *to) const
 {
        CycleNode *fromnode = actionToNode.get(from);
        CycleNode *tonode = actionToNode.get(to);
@@ -187,7 +187,7 @@ bool CycleGraph::checkReachable(const ModelAction *from, const ModelAction *to)
  * @param to The CycleNode to reach
  * @return True, @a from can reach @a to; otherwise, false
  */
-bool CycleGraph::checkReachable(CycleNode *from, CycleNode *to)
+bool CycleGraph::checkReachable(CycleNode *from, CycleNode *to) const
 {
        std::vector< CycleNode *, ModelAlloc<CycleNode *> > queue;
        discovered->reset();
@@ -211,7 +211,7 @@ bool CycleGraph::checkReachable(CycleNode *from, CycleNode *to)
        return false;
 }
 
-bool CycleGraph::checkPromise(const ModelAction *fromact, Promise *promise)
+bool CycleGraph::checkPromise(const ModelAction *fromact, Promise *promise) const
 {
        std::vector< CycleNode *, ModelAlloc<CycleNode *> > queue;
        discovered->reset();
@@ -256,7 +256,8 @@ void CycleGraph::commitChanges()
 }
 
 /** Rollback changes to the previous commit. */
-void CycleGraph::rollbackChanges() {
+void CycleGraph::rollbackChanges()
+{
        for (unsigned int i = 0; i < rollbackvector.size(); i++) {
                rollbackvector[i]->popEdge();
        }
@@ -272,20 +273,22 @@ void CycleGraph::rollbackChanges() {
 }
 
 /** @returns whether a CycleGraph contains cycles. */
-bool CycleGraph::checkForCycles() {
+bool CycleGraph::checkForCycles() const
+{
        return hasCycles;
 }
 
-bool CycleGraph::checkForRMWViolation() {
+bool CycleGraph::checkForRMWViolation() const
+{
        return hasRMWViolation;
 }
 
 /**
- * Constructor for a CycleNode.
- * @param modelaction The ModelAction for this node
+ * @brief Constructor for a CycleNode
+ * @param act The ModelAction for this node
  */
-CycleNode::CycleNode(const ModelAction *modelaction) :
-       action(modelaction),
+CycleNode::CycleNode(const ModelAction *act) :
+       action(act),
        hasRMW(NULL)
 {
 }

diff --git a/cyclegraph.h b/cyclegraph.h
index 0a6f7382a69cf78dae9b4d2bf995864b599b3912..dcdeb3f217deced343e4ee227741040bfc733e1e 100644 (file)
--- a/cyclegraph.h
+++ b/cyclegraph.h
@@ -1,9 +1,13 @@
-/** @file cyclegraph.h @brief Data structure to track ordering
- *  constraints on modification order.  The idea is to see whether a
- *  total order exists that satisfies the ordering constriants.*/
+/**
+ * @file cyclegraph.h
+ * @brief Data structure to track ordering constraints on modification order
+ *
+ * Used to determine whether a total order exists that satisfies the ordering
+ * constraints.
+ */
 
-#ifndef CYCLEGRAPH_H
-#define CYCLEGRAPH_H
+#ifndef __CYCLEGRAPH_H__
+#define __CYCLEGRAPH_H__
 
 #include "hashtable.h"
 #include <vector>
@@ -21,17 +25,17 @@ class CycleGraph {
        CycleGraph();
        ~CycleGraph();
        void addEdge(const ModelAction *from, const ModelAction *to);
-       bool checkForCycles();
-       bool checkForRMWViolation();
+       bool checkForCycles() const;
+       bool checkForRMWViolation() const;
        void addRMWEdge(const ModelAction *from, const ModelAction *rmw);
-       bool checkPromise(const ModelAction *from, Promise *p);
-       bool checkReachable(const ModelAction *from, const ModelAction *to);
+       bool checkPromise(const ModelAction *from, Promise *p) const;
+       bool checkReachable(const ModelAction *from, const ModelAction *to) const;
        void startChanges();
        void commitChanges();
        void rollbackChanges();
 #if SUPPORT_MOD_ORDER_DUMP
-       void dumpNodes(FILE *file);
-       void dumpGraphToFile(const char *filename);
+       void dumpNodes(FILE *file) const;
+       void dumpGraphToFile(const char *filename) const;
 #endif
 
        SNAPSHOTALLOC
@@ -45,7 +49,7 @@ class CycleGraph {
        std::vector<CycleNode *> nodeList;
 #endif
 
-       bool checkReachable(CycleNode *from, CycleNode *to);
+       bool checkReachable(CycleNode *from, CycleNode *to) const;
 
        /** @brief A flag: true if this graph contains cycles */
        bool hasCycles;
@@ -61,7 +65,7 @@ class CycleGraph {
 /** @brief A node within a CycleGraph; corresponds to one ModelAction */
 class CycleNode {
  public:
-       CycleNode(const ModelAction *action);
+       CycleNode(const ModelAction *act);
        bool addEdge(CycleNode *node);
        CycleNode * getEdge(unsigned int i) const;
        unsigned int getNumEdges() const;
@@ -89,4 +93,4 @@ class CycleNode {
        CycleNode *hasRMW;
 };
 
-#endif
+#endif /* __CYCLEGRAPH_H__ */