+ /* wait for the incoming message */
+ for(;;) {
+ struct pollfd pfd[1];
+ int r;
+
+ pfd[0].fd = conn->sock;
+ pfd[0].events = POLLIN;
+
+ r = poll(pfd, 1, 10000);
+ if (r < 0) {
+ if (errno == EINTR)
+ continue;
+ goto err;
+ } else if (r == 0) {
+ err(udev, "timeout waiting for ctrl message\n");
+ goto err;
+ } else {
+ if (!(pfd[0].revents & POLLIN)) {
+ err(udev, "ctrl connection error: %m\n");
+ goto err;
+ }
+ }
+
+ break;
+ }
+