1 files changed, 77 insertions, 0 deletions
diff --git a/test/b5837bd5311d.c b/test/b5837bd5311d.c
new file mode 100644
index 0000000..57a2b58
--- /dev/null
+++ b/test/b5837bd5311d.c
@@ -0,0 +1,77 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Description: Check to see if wait_nr is being honored.
+ */
+#include <stdio.h>
+#include "liburing.h"
+
+int main(int argc, char *argv[])
+{
+	struct io_uring_sqe *sqe;
+	struct io_uring_cqe *cqe;
+	struct io_uring ring;
+	int ret;
+	struct __kernel_timespec ts = {
+		.tv_sec = 0,
+		.tv_nsec = 10000000
+	};
+
+	if (argc > 1)
+		return 0;
+
+	if (io_uring_queue_init(4, &ring, 0) != 0) {
+		fprintf(stderr, "ring setup failed\n");
+		return 1;
+	}
+
+	/*
+	 * First, submit the timeout sqe so we can actually finish the test
+	 * if everything is in working order.
+	 */
+	sqe = io_uring_get_sqe(&ring);
+	if (!sqe) {
+		fprintf(stderr, "get sqe failed\n");
+		return 1;
+	}
+	io_uring_prep_timeout(sqe, &ts, (unsigned)-1, 0);
+
+	ret = io_uring_submit(&ring);
+	if (ret != 1) {
+		fprintf(stderr, "Got submit %d, expected 1\n", ret);
+		return 1;
+	}
+
+	/*
+	 * Next, submit a nop and wait for two events. If everything is working
+	 * as it should, we should be waiting for more than a millisecond and we
+	 * should see two cqes. Otherwise, execution continues immediately
+	 * and we see only one cqe.
+	 */
+	sqe = io_uring_get_sqe(&ring);
+	if (!sqe) {
+		fprintf(stderr, "get sqe failed\n");
+		return 1;
+	}
+	io_uring_prep_nop(sqe);
+
+	ret = io_uring_submit_and_wait(&ring, 2);
+	if (ret != 1) {
+		fprintf(stderr, "Got submit %d, expected 1\n", ret);
+		return 1;
+	}
+
+	if (io_uring_peek_cqe(&ring, &cqe) != 0) {
+		fprintf(stderr, "Unable to peek cqe!\n");
+		return 1;
+	}
+
+	io_uring_cqe_seen(&ring, cqe);
+
+	if (io_uring_peek_cqe(&ring, &cqe) != 0) {
+		fprintf(stderr, "Unable to peek cqe!\n");
+		return 1;
+	}
+
+	io_uring_queue_exit(&ring);
+	return 0;
+}