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-rw-r--r--test/7ad0e4b2f83c-test.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/test/7ad0e4b2f83c-test.c b/test/7ad0e4b2f83c-test.c
new file mode 100644
index 0000000..1abde44
--- /dev/null
+++ b/test/7ad0e4b2f83c-test.c
@@ -0,0 +1,89 @@
+#include <stdio.h>
+#include <time.h>
+#include <sys/time.h>
+#include "liburing.h"
+
+static unsigned long long mtime_since(const struct timeval *s,
+ const struct timeval *e)
+{
+ long long sec, usec;
+
+ sec = e->tv_sec - s->tv_sec;
+ usec = (e->tv_usec - s->tv_usec);
+ if (sec > 0 && usec < 0) {
+ sec--;
+ usec += 1000000;
+ }
+
+ sec *= 1000;
+ usec /= 1000;
+ return sec + usec;
+}
+
+static unsigned long long mtime_since_now(struct timeval *tv)
+{
+ struct timeval end;
+
+ gettimeofday(&end, NULL);
+ return mtime_since(tv, &end);
+}
+
+int main(int argc, char *argv[])
+{
+ struct __kernel_timespec ts1, ts2;
+ struct io_uring_cqe *cqe;
+ struct io_uring_sqe *sqe;
+ struct io_uring ring;
+ unsigned long msec;
+ struct timeval tv;
+ int ret;
+
+ ret = io_uring_queue_init(32, &ring, 0);
+ if (ret) {
+ fprintf(stderr, "io_uring_queue_init=%d\n", ret);
+ return 1;
+ }
+
+ sqe = io_uring_get_sqe(&ring);
+ io_uring_prep_nop(sqe);
+ ret = io_uring_submit(&ring);
+ if (ret != 1) {
+ fprintf(stderr, "io_uring_submit1=%d\n", ret);
+ return 1;
+ }
+
+
+ ts1.tv_sec = 5,
+ ts1.tv_nsec = 0;
+ ret = io_uring_wait_cqe_timeout(&ring, &cqe, &ts1);
+ if (ret) {
+ fprintf(stderr, "io_uring_wait_cqe_timeout=%d\n", ret);
+ return 1;
+ }
+ io_uring_cqe_seen(&ring, cqe);
+ gettimeofday(&tv, NULL);
+
+ ts2.tv_sec = 1;
+ ts2.tv_nsec = 0;
+ sqe = io_uring_get_sqe(&ring);
+ io_uring_prep_timeout(sqe, &ts2, 0, 0);
+ sqe->user_data = 89;
+ ret = io_uring_submit(&ring);
+ if (ret != 1) {
+ fprintf(stderr, "io_uring_submit2=%d\n", ret);
+ return 1;
+ }
+
+ io_uring_wait_cqe(&ring, &cqe);
+ io_uring_cqe_seen(&ring, cqe);
+ msec = mtime_since_now(&tv);
+ if (msec >= 900 && msec <= 1100) {
+ io_uring_queue_exit(&ring);
+ return 0;
+ }
+
+ fprintf(stderr, "%s: Timeout seems wonky (got %lu)\n", __FUNCTION__,
+ msec);
+ io_uring_queue_exit(&ring);
+ return 1;
+}