virtual void close(int how);
/// whether we are still waiting for the I/O results (i.e., not closed)
- bool stillWaiting() const { return theFile != NULL; }
+ bool stillWaiting() const { return theFile != nullptr; }
/// forwards read data (or an error) to the reader that initiated this I/O
void handleReadCompletion(Rock::ReadRequest &request, const int rlen, const int errFlag);