IOCallback
IOCallback::~IOCallback()
IOCallback::DoIO(IOOperation* operation)
IOCallback::WrapperFunction(void* data, io_operation* operation)
return ((IOCallback*)data)->DoIO(operation);
class IOCallback {
virtual ~IOCallback();
IOScheduler::SetCallback(IOCallback& callback)
SetCallback(&IOCallback::WrapperFunction, &callback);
virtual void SetCallback(IOCallback& callback);