1 files changed, 88 insertions, 0 deletions
diff --git a/test/500f9fbadef8-test.c b/test/500f9fbadef8-test.c
new file mode 100644
index 0000000..88602ad
--- /dev/null
+++ b/test/500f9fbadef8-test.c
@@ -0,0 +1,88 @@
+/*
+ * Description: Single depth submit+wait poll hang test
+ *
+ */
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+
+#include "liburing.h"
+
+#define BLOCKS	4096
+
+int main(int argc, char *argv[])
+{
+	struct io_uring ring;
+	struct io_uring_sqe *sqe;
+	struct io_uring_cqe *cqe;
+	struct iovec iov;
+	char buf[32];
+	off_t offset;
+	unsigned blocks;
+	int ret, fd;
+
+	if (posix_memalign(&iov.iov_base, 4096, 4096)) {
+		fprintf(stderr, "memalign failed\n");
+		return 1;
+	}
+	iov.iov_len = 4096;
+
+	ret = io_uring_queue_init(1, &ring, IORING_SETUP_IOPOLL);
+	if (ret) {
+		fprintf(stderr, "ring setup failed\n");
+		return 1;
+
+	}
+
+	sprintf(buf, "./XXXXXX");
+	mktemp(buf);
+	fd = open(buf, O_WRONLY | O_DIRECT | O_CREAT, 0644);
+	if (fd < 0) {
+		perror("mkstemp");
+		return 1;
+	}
+
+	offset = 0;
+	blocks = BLOCKS;
+	do {
+		sqe = io_uring_get_sqe(&ring);
+		if (!sqe) {
+			fprintf(stderr, "get sqe failed\n");
+			goto err;
+		}
+		io_uring_prep_writev(sqe, fd, &iov, 1, offset);
+		ret = io_uring_submit_and_wait(&ring, 1);
+		if (ret < 0) {
+			fprintf(stderr, "submit_and_wait: %d\n", ret);
+			goto err;
+		}
+		ret = io_uring_wait_cqe(&ring, &cqe);
+		if (ret < 0) {
+			fprintf(stderr, "wait completion: %d\n", ret);
+			goto err;
+		}
+		if (cqe->res != 4096) {
+			if (cqe->res == -EOPNOTSUPP)
+				goto skipped;
+			goto err;
+		}
+		io_uring_cqe_seen(&ring, cqe);
+		offset += 4096;
+	} while (--blocks);
+		
+	close(fd);
+	unlink(buf);
+	return 0;
+err:
+	close(fd);
+	unlink(buf);
+	return 1;
+skipped:
+	fprintf(stderr, "Polling not supported in current dir, test skipped\n");
+	close(fd);
+	unlink(buf);
+	return 0;
+}