+ assert_se(pipe2(pipe_fds, O_CLOEXEC) >= 0);
+
+ assert_se(write(pipe_fds[1], "x", 1) == 1);
+
+ close_nointr_nofail(pipe_fds[1]);
+ pipe_fds[1] = -1;
+
+ r = sd_bus_message_append(m, "h", pipe_fds[0]);
+ assert_se(r >= 0);
+
+ close_nointr_nofail(pipe_fds[0]);
+ pipe_fds[0] = -1;
+