int print_kernel = 0;
int print_udev = 0;
struct udev_list_node subsystem_match_list;
+ struct udev_list_node tag_match_list;
struct udev_monitor *udev_monitor = NULL;
struct udev_monitor *kernel_monitor = NULL;
fd_set readfds;
{ "kernel", no_argument, NULL, 'k' },
{ "udev", no_argument, NULL, 'u' },
{ "subsystem-match", required_argument, NULL, 's' },
+ { "tag-match", required_argument, NULL, 't' },
{ "help", no_argument, NULL, 'h' },
{}
};
udev_list_init(&subsystem_match_list);
+ udev_list_init(&tag_match_list);
while (1) {
- option = getopt_long(argc, argv, "epkus:h", options, NULL);
+ option = getopt_long(argc, argv, "pekus:t:h", options, NULL);
if (option == -1)
break;
udev_list_entry_add(udev, &subsystem_match_list, subsys, devtype, 0, 0);
break;
}
+ case 't':
+ udev_list_entry_add(udev, &tag_match_list, optarg, NULL, 0, 0);
+ break;
case 'h':
printf("Usage: udevadm monitor [--property] [--kernel] [--udev] [--help]\n"
" --property print the event properties\n"
" --kernel print kernel uevents\n"
" --udev print udev events\n"
" --subsystem-match=<subsystem[/devtype]> filter events by subsystem\n"
+ " --tag-match=<tag> filter events by tag\n"
" --help\n\n");
default:
goto out;
fprintf(stderr, "error: unable to apply subsystem filter '%s'\n", subsys);
}
+ udev_list_entry_foreach(entry, udev_list_get_entry(&tag_match_list)) {
+ const char *tag = udev_list_entry_get_name(entry);
+
+ if (udev_monitor_filter_add_match_tag(udev_monitor, tag) < 0)
+ fprintf(stderr, "error: unable to apply tag filter '%s'\n", tag);
+ }
+
if (udev_monitor_enable_receiving(udev_monitor) < 0) {
fprintf(stderr, "error: unable to subscribe to udev events\n");
rc = 2;
udev_monitor_unref(udev_monitor);
udev_monitor_unref(kernel_monitor);
udev_list_cleanup_entries(udev, &subsystem_match_list);
+ udev_list_cleanup_entries(udev, &tag_match_list);
return rc;
}