173 lines
3.3 KiB
C
173 lines
3.3 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Description: run various statx(2) tests
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*
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*/
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#include <errno.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/syscall.h>
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#include <linux/stat.h>
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#include "helpers.h"
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#include "liburing.h"
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#ifdef __NR_statx
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static int do_statx(int dfd, const char *path, int flags, unsigned mask,
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struct statx *statxbuf)
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{
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return syscall(__NR_statx, dfd, path, flags, mask, statxbuf);
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}
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#else
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static int do_statx(int dfd, const char *path, int flags, unsigned mask,
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struct statx *statxbuf)
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{
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errno = ENOSYS;
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return -1;
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}
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#endif
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static int statx_syscall_supported(void)
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{
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return errno == ENOSYS ? 0 : -1;
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}
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static int test_statx(struct io_uring *ring, const char *path)
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{
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struct io_uring_cqe *cqe;
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struct io_uring_sqe *sqe;
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struct statx x1, x2;
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int ret;
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sqe = io_uring_get_sqe(ring);
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if (!sqe) {
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fprintf(stderr, "get sqe failed\n");
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goto err;
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}
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io_uring_prep_statx(sqe, -1, path, 0, STATX_ALL, &x1);
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ret = io_uring_submit(ring);
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if (ret <= 0) {
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fprintf(stderr, "sqe submit failed: %d\n", ret);
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goto err;
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}
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ret = io_uring_wait_cqe(ring, &cqe);
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if (ret < 0) {
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fprintf(stderr, "wait completion %d\n", ret);
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goto err;
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}
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ret = cqe->res;
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io_uring_cqe_seen(ring, cqe);
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if (ret)
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return ret;
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ret = do_statx(-1, path, 0, STATX_ALL, &x2);
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if (ret < 0)
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return statx_syscall_supported();
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if (memcmp(&x1, &x2, sizeof(x1))) {
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fprintf(stderr, "Miscompare between io_uring and statx\n");
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goto err;
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}
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return 0;
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err:
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return -1;
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}
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static int test_statx_fd(struct io_uring *ring, const char *path)
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{
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struct io_uring_cqe *cqe;
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struct io_uring_sqe *sqe;
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struct statx x1, x2;
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int ret, fd;
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fd = open(path, O_RDONLY);
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if (fd < 0) {
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perror("open");
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return 1;
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}
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memset(&x1, 0, sizeof(x1));
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sqe = io_uring_get_sqe(ring);
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if (!sqe) {
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fprintf(stderr, "get sqe failed\n");
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goto err;
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}
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io_uring_prep_statx(sqe, fd, "", AT_EMPTY_PATH, STATX_ALL, &x1);
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ret = io_uring_submit(ring);
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if (ret <= 0) {
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fprintf(stderr, "sqe submit failed: %d\n", ret);
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goto err;
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}
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ret = io_uring_wait_cqe(ring, &cqe);
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if (ret < 0) {
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fprintf(stderr, "wait completion %d\n", ret);
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goto err;
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}
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ret = cqe->res;
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io_uring_cqe_seen(ring, cqe);
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if (ret)
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return ret;
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memset(&x2, 0, sizeof(x2));
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ret = do_statx(fd, "", AT_EMPTY_PATH, STATX_ALL, &x2);
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if (ret < 0)
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return statx_syscall_supported();
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if (memcmp(&x1, &x2, sizeof(x1))) {
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fprintf(stderr, "Miscompare between io_uring and statx\n");
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goto err;
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}
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return 0;
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err:
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return -1;
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}
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int main(int argc, char *argv[])
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{
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struct io_uring ring;
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const char *fname;
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int ret;
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ret = io_uring_queue_init(8, &ring, 0);
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if (ret) {
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fprintf(stderr, "ring setup failed\n");
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return 1;
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}
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if (argc > 1) {
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fname = argv[1];
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} else {
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fname = "/tmp/.statx";
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t_create_file(fname, 4096);
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}
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ret = test_statx(&ring, fname);
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if (ret) {
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if (ret == -EINVAL) {
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fprintf(stdout, "statx not supported, skipping\n");
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goto done;
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}
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fprintf(stderr, "test_statx failed: %d\n", ret);
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goto err;
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}
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ret = test_statx_fd(&ring, fname);
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if (ret) {
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fprintf(stderr, "test_statx_fd failed: %d\n", ret);
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goto err;
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}
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done:
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if (fname != argv[1])
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unlink(fname);
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return 0;
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err:
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if (fname != argv[1])
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unlink(fname);
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return 1;
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}
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