81 const size_t LOW_WATER_FACTOR = 4;

    81 const size_t LOW_WATER_FACTOR = 4;

    82 const size_t ALLOCATIONS_PER_COLLECTION = 4000;

    82 const size_t ALLOCATIONS_PER_COLLECTION = 4000;

    83 

    83 

    84 enum OperationInProgress { NoOperation, Allocation, Collection };

    84 enum OperationInProgress { NoOperation, Allocation, Collection };

    85 

    85 

    86 struct CollectorHeap {

    89 struct CollectorHeap {

    87   CollectorBlock** blocks;

    90   CollectorBlock** blocks;

    88   size_t numBlocks;

    91   size_t numBlocks;

    89   size_t usedBlocks;

    92   size_t usedBlocks;

    90   size_t firstBlockWithPossibleSpace;

    93   size_t firstBlockWithPossibleSpace;

    92   size_t numLiveObjects;

    95   size_t numLiveObjects;

    93   size_t numLiveObjectsAtLastCollect;

    96   size_t numLiveObjectsAtLastCollect;

    94   size_t extraCost;

    97   size_t extraCost;

    95 

    98 

    96   OperationInProgress operationInProgress;

    99   OperationInProgress operationInProgress;

    97 };

   106 };

    98 

   107 

    99 static CollectorHeap heap = { 0, 0, 0, 0, 0, 0, 0, NoOperation };

   108 static CollectorHeap heap = { 0, 0, 0, 0, 0, 0, 0, NoOperation };

   100 

   109 

   101 // FIXME: I don't think this needs to be a static data member of the Collector class.

   110 // FIXME: I don't think this needs to be a static data member of the Collector class.