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/*
* Description: run various openat(2) tests
*
*/
#include <errno.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include "liburing.h"
static int create_file(const char *file, size_t size)
{
ssize_t ret;
char *buf;
int fd;
buf = malloc(size);
memset(buf, 0xaa, size);
fd = open(file, O_WRONLY | O_CREAT, 0644);
if (fd < 0) {
perror("open file");
return 1;
}
ret = write(fd, buf, size);
close(fd);
return ret != size;
}
static int test_close(struct io_uring *ring, int fd)
{
struct io_uring_cqe *cqe;
struct io_uring_sqe *sqe;
int ret;
sqe = io_uring_get_sqe(ring);
if (!sqe) {
fprintf(stderr, "get sqe failed\n");
goto err;
}
io_uring_prep_close(sqe, fd);
ret = io_uring_submit(ring);
if (ret <= 0) {
fprintf(stderr, "sqe submit failed: %d\n", ret);
goto err;
}
ret = io_uring_wait_cqe(ring, &cqe);
if (ret < 0) {
fprintf(stderr, "wait completion %d\n", ret);
goto err;
}
ret = cqe->res;
io_uring_cqe_seen(ring, cqe);
return ret;
err:
return -1;
}
static int test_openat(struct io_uring *ring, const char *path)
{
struct io_uring_cqe *cqe;
struct io_uring_sqe *sqe;
int ret;
sqe = io_uring_get_sqe(ring);
if (!sqe) {
fprintf(stderr, "get sqe failed\n");
goto err;
}
io_uring_prep_openat(sqe, -1, path, 0, O_RDONLY);
ret = io_uring_submit(ring);
if (ret <= 0) {
fprintf(stderr, "sqe submit failed: %d\n", ret);
goto err;
}
ret = io_uring_wait_cqe(ring, &cqe);
if (ret < 0) {
fprintf(stderr, "wait completion %d\n", ret);
goto err;
}
ret = cqe->res;
io_uring_cqe_seen(ring, cqe);
return ret;
err:
return -1;
}
int main(int argc, char *argv[])
{
struct io_uring ring;
const char *fname;
int ret, do_unlink;
ret = io_uring_queue_init(8, &ring, 0);
if (ret) {
fprintf(stderr, "ring setup failed\n");
return 1;
}
if (argc > 1) {
fname = argv[1];
do_unlink = 0;
} else {
fname = "/tmp/.open.close";
do_unlink = 1;
}
if (create_file(fname, 4096)) {
fprintf(stderr, "file create failed\n");
return 1;
}
ret = test_openat(&ring, fname);
if (ret < 0) {
if (ret == -EINVAL) {
fprintf(stdout, "Open not supported, skipping\n");
goto done;
}
fprintf(stderr, "test_openat failed: %d\n", ret);
goto err;
}
ret = test_close(&ring, ret);
if (ret) {
fprintf(stderr, "test_close normal failed\n");
goto err;
}
ret = test_close(&ring, ring.ring_fd);
if (ret != -EBADF) {
fprintf(stderr, "test_close ring_fd failed\n");
goto err;
}
done:
if (do_unlink)
unlink(fname);
return 0;
err:
if (do_unlink)
unlink(fname);
return 1;
}
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