model: assign "pending" return values in release_seq_heads()

[c11tester.git] / cyclegraph.cc

diff --git a/cyclegraph.cc b/cyclegraph.cc
index 2bfe76ac424c274bf8152638543ad7dd6bc1d31f..2280e76e3e208b8ac6ce6e2044433c1a866d2c85 100644 (file)
--- a/cyclegraph.cc
+++ b/cyclegraph.cc
@@ -1,6 +1,8 @@
 #include "cyclegraph.h"
 #include "action.h"
 #include "common.h"
+#include "promise.h"
+#include "model.h"
 
 /** Initializes a CycleGraph object. */
 CycleGraph::CycleGraph() :
@@ -122,11 +124,7 @@ void CycleGraph::addRMWEdge(const ModelAction *from, const ModelAction *rmw) {
 }
 
 #if SUPPORT_MOD_ORDER_DUMP
-void CycleGraph::dumpGraphToFile(const char *filename) {
-       char buffer[200];
-  sprintf(buffer, "%s.dot",filename);
-  FILE *file=fopen(buffer, "w");
-  fprintf(file, "digraph %s {\n",filename);
+void CycleGraph::dumpNodes(FILE *file) {
   for(unsigned int i=0;i<nodeList.size();i++) {
                CycleNode *cn=nodeList[i];
                std::vector<CycleNode *> * edges=cn->getEdges();
@@ -141,6 +139,14 @@ void CycleGraph::dumpGraphToFile(const char *filename) {
       fprintf(file, "N%u -> N%u;\n", action->get_seq_number(), dstaction->get_seq_number());
          }
        }
+}
+
+void CycleGraph::dumpGraphToFile(const char *filename) {
+       char buffer[200];
+  sprintf(buffer, "%s.dot",filename);
+  FILE *file=fopen(buffer, "w");
+  fprintf(file, "digraph %s {\n",filename);
+       dumpNodes(file);
   fprintf(file,"}\n");
   fclose(file);        
 }
@@ -169,8 +175,8 @@ bool CycleGraph::checkReachable(const ModelAction *from, const ModelAction *to)
  * @return True, @a from can reach @a to; otherwise, false
  */
 bool CycleGraph::checkReachable(CycleNode *from, CycleNode *to) {
-       std::vector<CycleNode *, MyAlloc<CycleNode *> > queue;
-       HashTable<CycleNode *, CycleNode *, uintptr_t, 4, MYMALLOC, MYCALLOC, MYFREE> discovered;
+       std::vector<CycleNode *, ModelAlloc<CycleNode *> > queue;
+       HashTable<CycleNode *, CycleNode *, uintptr_t, 4, model_malloc, model_calloc, model_free> discovered(64);
 
        queue.push_back(from);
        discovered.put(from, from);
@@ -191,6 +197,33 @@ bool CycleGraph::checkReachable(CycleNode *from, CycleNode *to) {
        return false;
 }
 
+bool CycleGraph::checkPromise(const ModelAction *fromact, Promise *promise) {
+       std::vector<CycleNode *, ModelAlloc<CycleNode *> > queue;
+       HashTable<CycleNode *, CycleNode *, uintptr_t, 4, model_malloc, model_calloc, model_free> discovered(64);
+       CycleNode *from = actionToNode.get(fromact);
+
+
+       queue.push_back(from);
+       discovered.put(from, from);
+       while(!queue.empty()) {
+               CycleNode * node=queue.back();
+               queue.pop_back();
+
+               if (promise->increment_threads(node->getAction()->get_tid())) {
+                       return true;
+               }
+
+               for(unsigned int i=0;i<node->getEdges()->size();i++) {
+                       CycleNode *next=(*node->getEdges())[i];
+                       if (!discovered.contains(next)) {
+                               discovered.put(next,next);
+                               queue.push_back(next);
+                       }
+               }
+       }
+       return false;
+}
+
 void CycleGraph::startChanges() {
        ASSERT(rollbackvector.size()==0);
        ASSERT(rmwrollbackvector.size()==0);