// Do nothing.
// The RAM manager frees itself on reading.
public override Slot AllocateSlot(int length)
{
_finder._key = length;
_finder._object = null;
_freeBySize = FreeSlotNode.RemoveGreaterOrEqual((FreeSlotNode)_freeBySize, _finder
);
if (_finder._object == null)
{
return(null);
}
FreeSlotNode node = (FreeSlotNode)_finder._object;
_listener.SlotRemoved(node._key);
int blocksFound = node._key;
int address = node._peer._key;
_freeByAddress = _freeByAddress.RemoveNode(node._peer);
int remainingBlocks = blocksFound - length;
if (SplitRemainder(remainingBlocks))
{
AddFreeSlotNodes(address + length, remainingBlocks);
}
else
{
length = blocksFound;
}
if (DTrace.enabled)
{
DTrace.FreespacemanagerGetSlot.LogLength(address, length);
}
return(new Slot(address, length));
}
// do nothing
// reading happens in start( )
private void RemoveSlot(Slot slot)
{
_slotsByLength.Remove(Transaction(), slot);
_slotsByAddress.Remove(Transaction(), slot);
_listener.SlotRemoved(slot.Length());
}