model: debug print - pending release sequences
[model-checker.git] / snapshot.cc
index 2c7d84193e1feb21443696335603b951491be9af..dadb75956c1f4254c3ecc84d519cd7431a8910af 100644 (file)
@@ -283,8 +283,17 @@ snapshot_id takeSnapshot( ){
  *  @param theID is the snapshot identifier to rollback to.
  */
 void rollBack( snapshot_id theID ){
+#if USE_MPOTECT_SNAPSHOT==2
+       if (snapshotrecord->lastSnapShot==(theID+1)) {
+               for(unsigned int page=snapshotrecord->snapShots[theID].firstBackingPage; page<snapshotrecord->lastBackingPage; page++) {
+                       memcpy(snapshotrecord->backingRecords[page].basePtrOfPage, &snapshotrecord->backingStore[page], sizeof(struct SnapShotPage));
+               }
+               return;
+       }
+#endif
+
 #if USE_MPROTECT_SNAPSHOT
-       HashTable< void *, bool, uintptr_t, 4, model_malloc, model_calloc, MYFREE> duplicateMap;
+       HashTable< void *, bool, uintptr_t, 4, model_malloc, model_calloc, model_free> duplicateMap;
        for(unsigned int region=0; region<snapshotrecord->lastRegion;region++) {
                if( mprotect(snapshotrecord->regionsToSnapShot[region].basePtr, snapshotrecord->regionsToSnapShot[region].sizeInPages*sizeof(struct SnapShotPage), PROT_READ | PROT_WRITE ) == -1 ){
                        perror("mprotect");