export USEC_INITIALIZED= and take timestamp on message receive time

[elogind.git] / udev / udev-event.c

diff --git a/udev/udev-event.c b/udev/udev-event.c
index 8b7362cc10e830acf0ba1533faa69f7d5372a710..3c1a3e7aa77a184734a2a7d7901612aab1590afd 100644 (file)
--- a/udev/udev-event.c
+++ b/udev/udev-event.c
@@ -38,15 +38,15 @@
 
 struct udev_event *udev_event_new(struct udev_device *dev)
 {
+       struct udev *udev = udev_device_get_udev(dev);
        struct udev_event *event;
 
        event = calloc(1, sizeof(struct udev_event));
        if (event == NULL)
                return NULL;
-       event->mode = 0600;
        event->dev = dev;
-       event->udev = udev_device_get_udev(dev);
-       udev_list_init(&event->run_list);
+       event->udev = udev;
+       udev_list_init(udev, &event->run_list, false);
        event->fd_signal = -1;
        event->birth_usec = now_usec();
        event->timeout_usec = 60 * 1000 * 1000;
@@ -58,7 +58,7 @@ void udev_event_unref(struct udev_event *event)
 {
        if (event == NULL)
                return;
-       udev_list_cleanup_entries(event->udev, &event->run_list);
+       udev_list_cleanup(&event->run_list);
        free(event->tmp_node);
        free(event->program_result);
        free(event->name);
@@ -489,7 +489,7 @@ static int spawn_exec(struct udev_event *event,
 
        /* exec failed */
        err = -errno;
-       err(udev, "exec of program '%s' failed\n", cmd);
+       err(udev, "failed to execute '%s' '%s': %m\n", argv[0], cmd);
        return err;
 }
 
@@ -958,10 +958,6 @@ int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules,
                        if (err == 0) {
                                info(event->udev, "renamed netif to '%s'\n", event->name);
 
-                               /* delete stale db file */
-                               udev_device_delete_db(dev);
-                               udev_device_tag_index(dev, NULL, false);
-
                                /* remember old name */
                                udev_device_add_property(dev, "INTERFACE_OLD", udev_device_get_sysname(dev));
 
@@ -1021,9 +1017,22 @@ int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules,
                        if (event->dev_db != NULL)
                                udev_node_update_old_links(dev, event->dev_db);
 
-                       /* change default 0600 to 0660 if a group is assigned */
-                       if (event->mode == 0600 && event->gid > 0)
-                               event->mode = 0660;
+                       if (!event->mode_set) {
+                               if (udev_device_get_devnode_mode(dev) > 0) {
+                                       /* kernel supplied value */
+                                       event->mode = udev_device_get_devnode_mode(dev);
+                               } else if (event->gid > 0) {
+                                       /* default 0660 if a group is assigned */
+                                       event->mode = 0660;
+                               } else {
+                                       /* default 0600 */
+                                       event->mode = 0600;
+                               }
+                       }
+
+                       /* set sticky bit, so we do not remove the node on module unload */
+                       if (event->static_node)
+                               event->mode |= 01000;
 
                        err = udev_node_add(dev, event->mode, event->uid, event->gid);
                }
@@ -1031,7 +1040,7 @@ int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules,
                /* preserve old, or get new initialization timestamp */
                if (event->dev_db != NULL && udev_device_get_usec_initialized(event->dev_db) > 0)
                        udev_device_set_usec_initialized(event->dev, udev_device_get_usec_initialized(event->dev_db));
-               else
+               else if (udev_device_get_usec_initialized(event->dev) == 0)
                        udev_device_set_usec_initialized(event->dev, now_usec());
 
                /* (re)write database file */