| 19 | }; |
| 20 | |
| 21 | static int pipe_comms(struct io_uring *ring, int *fds, struct params *p) |
| 22 | { |
| 23 | struct io_uring_sqe *sqe; |
| 24 | struct io_uring_cqe *cqe; |
| 25 | char src[32], dst[32]; |
| 26 | int i, ret; |
| 27 | |
| 28 | memset(src, 0x5a, sizeof(src)); |
| 29 | memset(dst, 0, sizeof(dst)); |
| 30 | |
| 31 | sqe = io_uring_get_sqe(ring); |
| 32 | io_uring_prep_write(sqe, fds[1], src, sizeof(src), 0); |
| 33 | if (p->fixed) |
| 34 | sqe->flags |= IOSQE_FIXED_FILE; |
| 35 | sqe->user_data = 1; |
| 36 | io_uring_submit(ring); |
| 37 | |
| 38 | sqe = io_uring_get_sqe(ring); |
| 39 | io_uring_prep_read(sqe, fds[0], dst, sizeof(dst), 0); |
| 40 | if (p->fixed) |
| 41 | sqe->flags |= IOSQE_FIXED_FILE; |
| 42 | sqe->user_data = 2; |
| 43 | io_uring_submit(ring); |
| 44 | |
| 45 | for (i = 0; i < 2; i++) { |
| 46 | ret = io_uring_wait_cqe(ring, &cqe); |
| 47 | if (ret) { |
| 48 | fprintf(stderr, "wait cqe %d\n", ret); |
| 49 | return 1; |
| 50 | } |
| 51 | if (cqe->res != 32) { |
| 52 | printf("ud=%d, res=%d\n", (int) cqe->user_data, cqe->res); |
| 53 | return 1; |
| 54 | } |
| 55 | io_uring_cqe_seen(ring, cqe); |
| 56 | } |
| 57 | |
| 58 | return memcmp(dst, src, sizeof(src)); |
| 59 | } |
| 60 | |
| 61 | static int pipe_test(int init_flags, struct params *p) |
| 62 | { |
no test coverage detected