Add multi timeout reqs test case which want to test submitting timeout
reqs with different timeout value, check the return sequence and the
status of each req.
Signed-off-by: zhangyi (F) <yi.zhang@xxxxxxxxxx>
---
test/timeout.c | 97 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 97 insertions(+)
diff --git a/test/timeout.c b/test/timeout.c
index e2a5a30..5b2a30a 100644
--- a/test/timeout.c
+++ b/test/timeout.c
@@ -511,6 +511,97 @@ err:
return 1;
}
+/*
+ * Test multi timeouts waking us up
+ */
+static int test_multi_timeout(struct io_uring *ring)
+{
+ struct io_uring_sqe *sqe;
+ struct io_uring_cqe *cqe;
+ struct __kernel_timespec ts[2];
+ unsigned int timeout[2];
+ unsigned long long exp;
+ struct timeval tv;
+ int ret, i;
+
+ /* req_1: timeout req, count = 1, time = (TIMEOUT_MSEC * 2) */
+ timeout[0] = TIMEOUT_MSEC * 2;
+ msec_to_ts(&ts[0], timeout[0]);
+ sqe = io_uring_get_sqe(ring);
+ if (!sqe) {
+ fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
+ goto err;
+ }
+ io_uring_prep_timeout(sqe, &ts[0], 1, 0);
+ sqe->user_data = 1;
+
+ /* req_2: timeout req, count = 1, time = TIMEOUT_MSEC */
+ timeout[1] = TIMEOUT_MSEC;
+ msec_to_ts(&ts[1], timeout[1]);
+ sqe = io_uring_get_sqe(ring);
+ if (!sqe) {
+ fprintf(stderr, "%s: get sqe failed\n", __FUNCTION__);
+ goto err;
+ }
+ io_uring_prep_timeout(sqe, &ts[1], 1, 0);
+ sqe->user_data = 2;
+
+ ret = io_uring_submit(ring);
+ if (ret <= 0) {
+ fprintf(stderr, "%s: sqe submit failed: %d\n", __FUNCTION__, ret);
+ goto err;
+ }
+
+ gettimeofday(&tv, NULL);
+ for (i = 0; i < 2; i++) {
+ unsigned int time;
+ __u64 user_data;
+
+ ret = io_uring_wait_cqe(ring, &cqe);
+ if (ret < 0) {
+ fprintf(stderr, "%s: wait completion %d\n", __FUNCTION__, ret);
+ goto err;
+ }
+
+ /*
+ * Both of these two reqs should timeout, but req_2 should
+ * return before req_1.
+ */
+ switch (i) {
+ case 0:
+ user_data = 2;
+ time = timeout[1];
+ break;
+ case 1:
+ user_data = 1;
+ time = timeout[0];
+ break;
+ }
+
+ if (cqe->user_data != user_data) {
+ fprintf(stderr, "%s: unexpected timeout req %d sequece\n",
+ __FUNCTION__, i+1);
+ goto err;
+ }
+ if (cqe->res != -ETIME) {
+ fprintf(stderr, "%s: Req %d timeout: %s\n",
+ __FUNCTION__, i+1, strerror(cqe->res));
+ goto err;
+ }
+ exp = mtime_since_now(&tv);
+ if (exp < time / 2 || exp > (time * 3) / 2) {
+ fprintf(stderr, "%s: Req %d timeout seems wonky (got %llu)\n",
+ __FUNCTION__, i+1, exp);
+ goto err;
+ }
+ io_uring_cqe_seen(ring, cqe);
+ }
+
+ return 0;
+err:
+ return 1;
+}
+
int main(int argc, char *argv[])
{
struct io_uring ring;
@@ -530,6 +621,12 @@ int main(int argc, char *argv[])
if (not_supported)
return 0;
+ ret = test_multi_timeout(&ring);
+ if (ret) {
+ fprintf(stderr, "test_single_timeout failed\n");
+ return ret;
+ }
+
ret = test_single_timeout_abs(&ring);
if (ret) {
fprintf(stderr, "test_single_timeout_abs failed\n");
--
2.17.2
