+namespace {
+int check_events(struct wl::display *d, struct conn *c, int fd)
+{
+ struct pollfd pfd[2] = {
+ { .fd = d->get_fd(), .events = POLLIN, .revents = 0 },
+ { .fd = fd, .events = POLLIN, .revents = 0 }
+ };
+
+ d->flush();
+
+ if (poll(pfd, fd != -1 ? 2 : 1, -1) != -1 && errno != EINTR) {
+ int ret = 0;
+
+ if (pfd[0].revents & POLLIN) {
+ ret = d->dispatch();
+ }
+
+ if (ret == -1)
+ return ret;
+
+ if (fd != -1 && (pfd[1].revents & POLLIN)) {
+ char buf[10];
+
+ while (read(pfd[1].fd, buf, 10) == 10)
+ ;
+
+ // Display current status
+ for (auto const &i : c->c->surfaces) {
+ printf("Surface %d\n", i.first);
+ }
+ }
+ }
+
+ return 0;
+}
+}
+