Method attach

core/arena.cpp:43–61

Attaches a scratch arena and returns the heap that backs its memory

  // Attaches a scratch arena and returns the heap that backs its memory
  Heap* ScratchArenaManager::attach(ScratchArena* arena)
  {
    Alloc& alloc = allocs[arena->name];

    if (alloc.heap)
    {
      // Increase the size of the heap if necessary
      if (arena->byteSize > alloc.heap->getByteSize())
        alloc.heap->realloc(arena->byteSize);
    }
    else
    {
      // Allocate a new heap
      alloc.heap = engine->newHeap(arena->byteSize, Storage::Device);
    }

    alloc.arenas.insert(arena);
    return alloc.heap.get();
  }

  // Detaches the scratch arena
  void ScratchArenaManager::detach(ScratchArena* arena)