Add cross-link

1 files changed, 76 insertions, 0 deletions

diff --git a/contrib/libs/liburing/test/short-read.c b/contrib/libs/liburing/test/short-read.c
new file mode 100644
index 0000000000..cd8c1644f8
--- /dev/null
+++ b/contrib/libs/liburing/test/short-read.c
@@ -0,0 +1,76 @@
+#include "../config-host.h"
+/* SPDX-License-Identifier: MIT */
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <poll.h>
+
+
+#include "helpers.h"
+#include "liburing.h"
+
+#define BUF_SIZE 4096
+#define FILE_SIZE 1024
+
+int main(int argc, char *argv[])
+{
+	int ret, fd, save_errno;
+	struct io_uring ring;
+	struct io_uring_sqe *sqe;
+	struct io_uring_cqe *cqe;
+	struct iovec vec;
+
+	if (argc > 1)
+		return 0;
+
+	vec.iov_base = t_malloc(BUF_SIZE);
+	vec.iov_len = BUF_SIZE;
+
+	t_create_file(".short-read", FILE_SIZE);
+
+	fd = open(".short-read", O_RDONLY);
+	save_errno = errno;
+	unlink(".short-read");
+	errno = save_errno;
+	if (fd < 0) {
+		perror("file open");
+		return 1;
+	}
+
+	ret = io_uring_queue_init(32, &ring, 0);
+	if (ret) {
+		fprintf(stderr, "queue init failed: %d\n", ret);
+		return ret;
+	}
+
+	sqe = io_uring_get_sqe(&ring);
+	if (!sqe) {
+		fprintf(stderr, "sqe get failed\n");
+		return 1;
+	}
+	io_uring_prep_readv(sqe, fd, &vec, 1, 0);
+
+	ret = io_uring_submit(&ring);
+	if (ret != 1) {
+		fprintf(stderr, "submit failed: %d\n", ret);
+ 		return 1;
+	}
+
+	ret = io_uring_wait_cqes(&ring, &cqe, 1, 0, 0);
+	if (ret) {
+		fprintf(stderr, "wait_cqe failed: %d\n", ret);
+		return 1;
+	}
+
+	if (cqe->res != FILE_SIZE) {
+		fprintf(stderr, "Read failed: %d\n", cqe->res);
+		return 1;
+	}
+
+	io_uring_cqe_seen(&ring, cqe);
+	return 0;
+}