| 621 | } |
| 622 | |
| 623 | static int test_sparse_updates(void) |
| 624 | { |
| 625 | struct io_uring ring; |
| 626 | int ret, i, *fds, newfd; |
| 627 | |
| 628 | ret = io_uring_queue_init(8, &ring, 0); |
| 629 | if (ret) { |
| 630 | fprintf(stderr, "queue_init: %d\n", ret); |
| 631 | return ret; |
| 632 | } |
| 633 | |
| 634 | fds = t_malloc(256 * sizeof(int)); |
| 635 | for (i = 0; i < 256; i++) |
| 636 | fds[i] = -1; |
| 637 | |
| 638 | ret = io_uring_register_files(&ring, fds, 256); |
| 639 | if (ret) { |
| 640 | fprintf(stderr, "file_register: %d\n", ret); |
| 641 | free(fds); |
| 642 | return ret; |
| 643 | } |
| 644 | |
| 645 | newfd = 1; |
| 646 | for (i = 0; i < 256; i++) { |
| 647 | ret = io_uring_register_files_update(&ring, i, &newfd, 1); |
| 648 | if (ret != 1) { |
| 649 | fprintf(stderr, "file_update: %d\n", ret); |
| 650 | free(fds); |
| 651 | return ret; |
| 652 | } |
| 653 | } |
| 654 | io_uring_unregister_files(&ring); |
| 655 | |
| 656 | for (i = 0; i < 256; i++) |
| 657 | fds[i] = 1; |
| 658 | |
| 659 | ret = io_uring_register_files(&ring, fds, 256); |
| 660 | if (ret) { |
| 661 | fprintf(stderr, "file_register: %d\n", ret); |
| 662 | free(fds); |
| 663 | return ret; |
| 664 | } |
| 665 | |
| 666 | newfd = -1; |
| 667 | for (i = 0; i < 256; i++) { |
| 668 | ret = io_uring_register_files_update(&ring, i, &newfd, 1); |
| 669 | if (ret != 1) { |
| 670 | fprintf(stderr, "file_update: %d\n", ret); |
| 671 | free(fds); |
| 672 | return ret; |
| 673 | } |
| 674 | } |
| 675 | io_uring_unregister_files(&ring); |
| 676 | |
| 677 | io_uring_queue_exit(&ring); |
| 678 | free(fds); |
| 679 | return 0; |
| 680 | } |
no test coverage detected