tests/msg_ring: remote submit to a deferred tw ring
Test sending messages to a deferred ring from another task
Link:
@@ -146,6 +146,79 @@ err:
return 1;
}
+static void *remote_submit_fn(void *data)
+{
+ struct io_uring_sqe *sqe;
+ struct io_uring_cqe *cqe;
+ struct io_uring *target = data;
+ struct io_uring ring;
+ int ret;
+
+ ret = io_uring_queue_init(8, &ring, 0);
+ if (ret) {
+ fprintf(stderr, "thread ring setup failed: %d\n", ret);
+ goto err;
+ }
+ sqe = io_uring_get_sqe(&ring);
+ if (!sqe) {
+ fprintf(stderr, "get sqe failed\n");
+ goto err;
+ }
+
+ io_uring_prep_msg_ring(sqe, target->ring_fd, 0x20, 0x5aa5, 0);
+ sqe->user_data = 1;
+
+ ret = io_uring_submit(&ring);
+ if (ret <= 0) {
+ fprintf(stderr, "sqe submit failed: %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 != 0 || cqe->user_data != 1) {
+ fprintf(stderr, "invalid cqe\n");
+ goto err;
+ }
+ io_uring_cqe_seen(&ring, cqe);
+ io_uring_queue_exit(&ring);
+ return NULL;
+err:
+ return (void *) (unsigned long) 1;
+}
+
+static int test_remote_submit(struct io_uring *target)
+{
+ struct io_uring_cqe *cqe;
+ pthread_t thread;
+ void *tret;
+ int ret;
+
+ pthread_create(&thread, NULL, remote_submit_fn, target);
+
+ ret = io_uring_wait_cqe(target, &cqe);
+ if (ret < 0) {
+ fprintf(stderr, "wait completion %d\n", ret);
+ goto err;
+ }
+ if (cqe->res != 0x20) {
+ fprintf(stderr, "cqe res %d\n", cqe->res);
+ return -1;
+ }
+ if (cqe->user_data != 0x5aa5) {
+ fprintf(stderr, "user_data %llx\n", (long long) cqe->user_data);
+ return -1;
+ }
+ io_uring_cqe_seen(target, cqe);
+ pthread_join(thread, &tret);
+ return 0;
+err:
+ return 1;
+}
+
static int test_invalid(struct io_uring *ring, bool fixed)
{
struct io_uring_cqe *cqe;
@@ -322,6 +395,12 @@ int main(int argc, char *argv[])
return T_EXIT_FAIL;
}
}
+
+ ret = test_remote_submit(&ring);
+ if (ret) {
+ fprintf(stderr, "test_remote_submit failed\n");
+ return T_EXIT_FAIL;
+ }
io_uring_queue_exit(&ring);
if (test_disabled_ring(&ring2, 0)) {
@@ -334,7 +413,6 @@ int main(int argc, char *argv[])
fprintf(stderr, "test_disabled_ring defer failed\n");
return T_EXIT_FAIL;
}
-
}
io_uring_queue_exit(&ring2);
