| 16 | #include "helpers.h" |
| 17 | |
| 18 | static int test(int flags) |
| 19 | { |
| 20 | struct io_uring_params p = {}; |
| 21 | struct io_uring ring1, ring2; |
| 22 | struct io_uring_sqe *sqe; |
| 23 | int ret, evfd1, evfd2; |
| 24 | |
| 25 | p.flags = flags; |
| 26 | ret = io_uring_queue_init_params(8, &ring1, &p); |
| 27 | if (ret) { |
| 28 | if (ret == -EINVAL) |
| 29 | return T_EXIT_SKIP; |
| 30 | fprintf(stderr, "ring setup failed: %d\n", ret); |
| 31 | return T_EXIT_FAIL; |
| 32 | } |
| 33 | if (!(p.features & IORING_FEAT_CUR_PERSONALITY)) { |
| 34 | fprintf(stdout, "Skipping\n"); |
| 35 | return T_EXIT_SKIP; |
| 36 | } |
| 37 | ret = io_uring_queue_init(8, &ring2, flags); |
| 38 | if (ret) { |
| 39 | fprintf(stderr, "ring setup failed: %d\n", ret); |
| 40 | return T_EXIT_FAIL; |
| 41 | } |
| 42 | |
| 43 | evfd1 = eventfd(0, EFD_CLOEXEC); |
| 44 | if (evfd1 < 0) { |
| 45 | perror("eventfd"); |
| 46 | return T_EXIT_FAIL; |
| 47 | } |
| 48 | |
| 49 | evfd2 = eventfd(0, EFD_CLOEXEC); |
| 50 | if (evfd2 < 0) { |
| 51 | perror("eventfd"); |
| 52 | return T_EXIT_FAIL; |
| 53 | } |
| 54 | |
| 55 | ret = io_uring_register_eventfd(&ring1, evfd1); |
| 56 | if (ret) { |
| 57 | fprintf(stderr, "failed to register evfd: %d\n", ret); |
| 58 | return T_EXIT_FAIL; |
| 59 | } |
| 60 | |
| 61 | ret = io_uring_register_eventfd(&ring2, evfd2); |
| 62 | if (ret) { |
| 63 | fprintf(stderr, "failed to register evfd: %d\n", ret); |
| 64 | return T_EXIT_FAIL; |
| 65 | } |
| 66 | |
| 67 | sqe = io_uring_get_sqe(&ring1); |
| 68 | io_uring_prep_poll_add(sqe, evfd2, POLLIN); |
| 69 | sqe->user_data = 1; |
| 70 | |
| 71 | sqe = io_uring_get_sqe(&ring2); |
| 72 | io_uring_prep_poll_add(sqe, evfd1, POLLIN); |
| 73 | sqe->user_data = 1; |
| 74 | |
| 75 | ret = io_uring_submit(&ring1); |
no test coverage detected