chiark / gitweb /
udev: make set_usec_initialized() internal to libudev
[elogind.git] / src / udev / udevd.c
index 9426edca2eba93b7bee9c538bed1c657fd8b0e1b..8eaf2cdc8c36c602870e8c5bb295a562ee2c42bb 100644 (file)
@@ -83,6 +83,7 @@ struct event {
         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;
@@ -133,6 +134,7 @@ static inline struct worker *node_to_worker(struct udev_list_node *node) {
 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);
 }
 
@@ -289,7 +291,7 @@ static void worker_new(struct event *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;
                                         }
@@ -459,6 +461,8 @@ static int event_queue_insert(struct udev_device *dev) {
 
         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);
@@ -886,6 +890,11 @@ static void handle_signal(struct udev *udev, int signo) {
                                                 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' */
@@ -1465,8 +1474,8 @@ int main(int argc, char *argv[]) {
                         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);
                         }