struct udev_list_node node;
struct udev *udev;
struct udev_device *dev;
+ struct udev_device *dev_kernel;
enum event_state state;
int exitcode;
unsigned long long int delaying_seqnum;
static void event_queue_delete(struct event *event) {
udev_list_node_remove(&event->node);
udev_device_unref(event->dev);
+ udev_device_unref(event->dev_kernel);
free(event);
}
fd_lock = open(udev_device_get_devnode(d), O_RDONLY|O_CLOEXEC|O_NOFOLLOW|O_NONBLOCK);
if (fd_lock >= 0 && flock(fd_lock, LOCK_SH|LOCK_NB) < 0) {
log_debug_errno(errno, "Unable to flock(%s), skipping event handling: %m", udev_device_get_devnode(d));
- err = -EWOULDBLOCK;
+ err = -EAGAIN;
fd_lock = safe_close(fd_lock);
goto skip;
}
event->udev = udev_device_get_udev(dev);
event->dev = dev;
+ event->dev_kernel = udev_device_shallow_clone(dev);
+ udev_device_copy_properties(event->dev_kernel, dev);
event->seqnum = udev_device_get_seqnum(dev);
event->devpath = udev_device_get_devpath(dev);
event->devpath_len = strlen(event->devpath);
log_error("worker ["PID_FMT"] failed while handling '%s'",
pid, worker->event->devpath);
worker->event->exitcode = -32;
+ /* delete state from disk */
+ udev_device_delete_db(worker->event->dev);
+ udev_device_tag_index(worker->event->dev, NULL, false);
+ /* forward kernel event without ammending it */
+ udev_monitor_send_device(monitor, NULL, worker->event->dev_kernel);
event_queue_delete(worker->event);
/* drop reference taken for state 'running' */
}
static void event_queue_update(void) {
- if (!udev_list_node_is_empty(&event_list)) {
- int fd;
+ int r;
- fd = open("/run/udev/queue", O_WRONLY|O_CREAT|O_CLOEXEC|O_TRUNC|O_NOFOLLOW, 0444);
- if (fd >= 0)
- close(fd);
- } else
- unlink("/run/udev/queue");
+ if (!udev_list_node_is_empty(&event_list)) {
+ r = touch("/run/udev/queue");
+ if (r < 0)
+ log_warning_errno(r, "could not touch /run/udev/queue: %m");
+ } else {
+ r = unlink("/run/udev/queue");
+ if (r < 0 && errno != ENOENT)
+ log_warning("could not unlink /run/udev/queue: %m");
+ }
}
static int systemd_fds(struct udev *udev, int *rctrl, int *rnetlink) {
kill(worker->pid, SIGKILL);
worker->state = WORKER_KILLED;
- /* drop reference taken for state 'running' */
- worker_unref(worker);
log_error("seq %llu '%s' killed", udev_device_get_seqnum(worker->event->dev), worker->event->devpath);
worker->event->exitcode = -64;
- event_queue_delete(worker->event);
- worker->event = NULL;
} else if (!worker->event_warned) {
log_warning("worker ["PID_FMT"] %s is taking a long time", worker->pid, worker->event->devpath);
worker->event_warned = true;
struct udev_device *dev;
dev = udev_monitor_receive_device(monitor);
- if (dev != NULL) {
- udev_device_set_usec_initialized(dev, now(CLOCK_MONOTONIC));
+ if (dev) {
+ udev_device_ensure_usec_initialized(dev, NULL);
if (event_queue_insert(dev) < 0)
udev_device_unref(dev);
}