| 32 | } |
| 33 | |
| 34 | static int test_exec(struct io_uring *ring, char * const argv[]) |
| 35 | { |
| 36 | char prog_path[PATH_MAX]; |
| 37 | struct io_uring_sqe *sqe; |
| 38 | struct io_uring_cqe *cqe; |
| 39 | int ret, wstatus, fd; |
| 40 | pid_t p; |
| 41 | |
| 42 | if (fill_exec_target(prog_path, "./exec-target.t") && |
| 43 | fill_exec_target(prog_path, "test/exec-target.t")) { |
| 44 | fprintf(stdout, "Can't find exec-target, skipping\n"); |
| 45 | return 0; |
| 46 | } |
| 47 | |
| 48 | sqe = io_uring_get_sqe(ring); |
| 49 | io_uring_prep_openat(sqe, AT_FDCWD, prog_path, O_WRONLY, 0); |
| 50 | sqe->user_data = 0; |
| 51 | |
| 52 | io_uring_submit(ring); |
| 53 | |
| 54 | ret = io_uring_wait_cqe(ring, &cqe); |
| 55 | if (ret) { |
| 56 | fprintf(stderr, "wait cqe %d\n", ret); |
| 57 | return 1; |
| 58 | } |
| 59 | if (cqe->res < 0) { |
| 60 | fprintf(stderr, "open: %d\n", cqe->res); |
| 61 | return 1; |
| 62 | } |
| 63 | fd = cqe->res; |
| 64 | io_uring_cqe_seen(ring, cqe); |
| 65 | |
| 66 | sqe = io_uring_get_sqe(ring); |
| 67 | io_uring_prep_close(sqe, fd); |
| 68 | sqe->user_data = 1; |
| 69 | |
| 70 | io_uring_submit(ring); |
| 71 | |
| 72 | ret = io_uring_wait_cqe(ring, &cqe); |
| 73 | if (ret) { |
| 74 | fprintf(stderr, "wait cqe %d\n", ret); |
| 75 | return 1; |
| 76 | } |
| 77 | if (cqe->res < 0) { |
| 78 | fprintf(stderr, "close: %d\n", cqe->res); |
| 79 | return 1; |
| 80 | } |
| 81 | io_uring_cqe_seen(ring, cqe); |
| 82 | |
| 83 | p = fork(); |
| 84 | if (p == -1) { |
| 85 | fprintf(stderr, "fork() failed\n"); |
| 86 | return 1; |
| 87 | } |
| 88 | |
| 89 | if (p == 0) { |
| 90 | /* file should be closed, try exec'ing it */ |
| 91 | ret = execve(prog_path, argv, NULL); |
no test coverage detected