-bool aio_finished(void);
-void initialize_async_io_handler(void);
-int process_aio_queue(void);
-bool schedule_aio_read_and_X(connection_struct *conn,
- struct smb_request *req,
- files_struct *fsp, SMB_OFF_T startpos,
- size_t smb_maxcnt);
-bool schedule_aio_write_and_X(connection_struct *conn,
- struct smb_request *req,
- files_struct *fsp, char *data,
- SMB_OFF_T startpos,
- size_t numtowrite);
-void cancel_aio_by_fsp(files_struct *fsp);
-int wait_for_aio_completion(files_struct *fsp);