449     struct aiocb aio;  in receiveFile()  local
450     aio.aio_fildes = mfr.fd;  in receiveFile()
451     aio.aio_buf = nullptr;  in receiveFile()
452     struct aiocb *aiol[] = {&aio};  in receiveFile()
477             int written = aio_return(&aio);  in receiveFile()
478             if (static_cast<size_t>(written) < aio.aio_nbytes) {  in receiveFile()
479                 errno = written == -1 ? aio_error(&aio) : EIO;  in receiveFile()
546             aio_prepare(&aio, mIobuf[i].bufs.data(), ret, offset);  in receiveFile()
547             aio_write(&aio);  in receiveFile()
578     struct aiocb aio;  in sendFile()  local
579     aio.aio_fildes = mfr.fd;  in sendFile()
580     struct aiocb *aiol[] = {&aio};  in sendFile()
612             aio_prepare(&aio, mIobuf[i].bufs.data(), length, offset);  in sendFile()
613             aio_read(&aio);  in sendFile()
631             num_read = aio_return(&aio);  in sendFile()
632             if (static_cast<size_t>(num_read) < aio.aio_nbytes) {  in sendFile()
633                 errno = num_read == -1 ? aio_error(&aio) : EIO;  in sendFile()