| /* SPDX-License-Identifier: MIT */ |
| /* |
| * Description: test io_uring mkdirat handling |
| */ |
| #include <fcntl.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <sys/stat.h> |
| #include <sys/types.h> |
| #include <unistd.h> |
| |
| #include "liburing.h" |
| |
| static int do_mkdirat(struct io_uring *ring, const char *fn) |
| { |
| int ret; |
| struct io_uring_sqe *sqe; |
| struct io_uring_cqe *cqe; |
| |
| sqe = io_uring_get_sqe(ring); |
| if (!sqe) { |
| fprintf(stderr, "sqe get failed\n"); |
| goto err; |
| } |
| io_uring_prep_mkdirat(sqe, AT_FDCWD, fn, 0700); |
| |
| ret = io_uring_submit(ring); |
| if (ret != 1) { |
| fprintf(stderr, "submit failed: %d\n", ret); |
| goto err; |
| } |
| |
| ret = io_uring_wait_cqes(ring, &cqe, 1, 0, 0); |
| if (ret) { |
| fprintf(stderr, "wait_cqe failed: %d\n", ret); |
| goto err; |
| } |
| ret = cqe->res; |
| io_uring_cqe_seen(ring, cqe); |
| return ret; |
| err: |
| return 1; |
| } |
| |
| static int stat_file(const char *fn) |
| { |
| struct stat sb; |
| |
| if (!stat(fn, &sb)) |
| return 0; |
| |
| return errno; |
| } |
| |
| int main(int argc, char *argv[]) |
| { |
| static const char fn[] = "io_uring-mkdirat-test"; |
| int ret; |
| struct io_uring ring; |
| |
| ret = io_uring_queue_init(8, &ring, 0); |
| if (ret) { |
| fprintf(stderr, "queue init failed: %d\n", ret); |
| return ret; |
| } |
| |
| ret = do_mkdirat(&ring, fn); |
| if (ret < 0) { |
| if (ret == -EBADF || ret == -EINVAL) { |
| fprintf(stdout, "mkdirat not supported, skipping\n"); |
| goto out; |
| } |
| fprintf(stderr, "mkdirat: %s\n", strerror(-ret)); |
| goto err; |
| } else if (ret) { |
| goto err; |
| } |
| |
| if (stat_file(fn)) { |
| perror("stat"); |
| goto err; |
| } |
| |
| ret = do_mkdirat(&ring, fn); |
| if (ret != -EEXIST) { |
| fprintf(stderr, "do_mkdirat already exists failed: %d\n", ret); |
| goto err1; |
| } |
| |
| ret = do_mkdirat(&ring, "surely/this/wont/exist"); |
| if (ret != -ENOENT) { |
| fprintf(stderr, "do_mkdirat no parent failed: %d\n", ret); |
| goto err1; |
| } |
| |
| out: |
| unlinkat(AT_FDCWD, fn, AT_REMOVEDIR); |
| io_uring_queue_exit(&ring); |
| return 0; |
| err1: |
| unlinkat(AT_FDCWD, fn, AT_REMOVEDIR); |
| err: |
| io_uring_queue_exit(&ring); |
| return 1; |
| } |