Update contrib/libs/liburing to 2.4

1 files changed, 96 insertions, 0 deletions

diff --git a/contrib/libs/liburing/test/pipe-bug.c b/contrib/libs/liburing/test/pipe-bug.c
new file mode 100644
index 00000000000..cb45f6fa1d6
--- /dev/null
+++ b/contrib/libs/liburing/test/pipe-bug.c
@@ -0,0 +1,96 @@
+#include "../config-host.h"
+// SPDX-License-Identifier: MIT
+
+/*
+ * Description: tests bug fixed in
+ * "io_uring: don't gate task_work run on TIF_NOTIFY_SIGNAL"
+ *
+ * See: https://github.com/axboe/liburing/issues/665
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "helpers.h"
+#include "liburing.h"
+
+#define CHECK(x)								\
+do {										\
+	if (!(x)) {								\
+		fprintf(stderr, "%s:%d %s failed\n", __FILE__, __LINE__, #x);	\
+		return -1;							\
+	}									\
+} while (0)
+
+static int pipe_bug(void)
+{
+	struct io_uring_params p;
+	struct io_uring ring;
+	struct io_uring_sqe *sqe;
+	struct io_uring_cqe *cqe;
+	char buf[1024];
+	int fds[2];
+	struct __kernel_timespec to = {
+		.tv_sec = 1
+	};
+
+	CHECK(pipe(fds) == 0);
+
+	memset(&p, 0, sizeof(p));
+	CHECK(t_create_ring_params(8, &ring, &p) == 0);
+
+	/* WRITE */
+	sqe = io_uring_get_sqe(&ring);
+	CHECK(sqe);
+	io_uring_prep_write(sqe, fds[1], "foobar", strlen("foobar"), 0); /* or -1 */
+	CHECK(io_uring_submit(&ring) == 1);
+	CHECK(io_uring_wait_cqe(&ring, &cqe) == 0);
+
+	io_uring_cqe_seen(&ring, cqe);
+
+	/* CLOSE */
+	sqe = io_uring_get_sqe(&ring);
+	CHECK(sqe);
+	io_uring_prep_close(sqe, fds[1]);
+	CHECK(io_uring_submit(&ring) == 1);
+	CHECK(io_uring_wait_cqe_timeout(&ring, &cqe, &to) == 0);
+	io_uring_cqe_seen(&ring, cqe);
+
+	/* READ */
+	sqe = io_uring_get_sqe(&ring);
+	CHECK(sqe);
+	io_uring_prep_read(sqe, fds[0], buf, sizeof(buf), 0); /* or -1 */
+	CHECK(io_uring_submit(&ring) == 1);
+	CHECK(io_uring_wait_cqe_timeout(&ring, &cqe, &to) == 0);
+	io_uring_cqe_seen(&ring, cqe);
+	memset(buf, 0, sizeof(buf));
+
+	/* READ */
+	sqe = io_uring_get_sqe(&ring);
+	CHECK(sqe);
+	io_uring_prep_read(sqe, fds[0], buf, sizeof(buf), 0); /* or -1 */
+	CHECK(io_uring_submit(&ring) == 1);
+	CHECK(io_uring_wait_cqe_timeout(&ring, &cqe, &to) == 0);
+	io_uring_cqe_seen(&ring, cqe);
+
+	close(fds[0]);
+	io_uring_queue_exit(&ring);
+
+	return 0;
+}
+
+int main(int argc, char *argv[])
+{
+	int i;
+
+	if (argc > 1)
+		return T_EXIT_SKIP;
+
+	for (i = 0; i < 10000; i++) {
+		if (pipe_bug())
+			return T_EXIT_FAIL;
+	}
+
+	return T_EXIT_PASS;
+}