udev_monitor_fd = udev_monitor_get_fd(udev_monitor);
+ /* Some older versions of udev are not non-blocking by default,
+ * so make sure this is set */
+ r = fcntl(udev_monitor_fd, F_GETFL);
+ if (r == -1) {
+ usbi_err(NULL, "getting udev monitor fd flags (%d)", errno);
+ goto err_free_monitor;
+ }
+ r = fcntl(udev_monitor_fd, F_SETFL, r | O_NONBLOCK);
+ if (r) {
+ usbi_err(NULL, "setting udev monitor fd flags (%d)", errno);
+ goto err_free_monitor;
+ }
+
r = pthread_create(&linux_event_thread, NULL, linux_udev_event_thread_main, NULL);
if (r) {
usbi_err(NULL, "creating hotplug event thread (%d)", r);