diff options
Diffstat (limited to 'udev/udevadm-monitor.c')
| -rw-r--r-- | udev/udevadm-monitor.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/udev/udevadm-monitor.c b/udev/udevadm-monitor.c index d136c6070a..fb650846bc 100644 --- a/udev/udevadm-monitor.c +++ b/udev/udevadm-monitor.c @@ -73,6 +73,7 @@ int udevadm_monitor(struct udev *udev, int argc, char *argv[]) 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; @@ -84,13 +85,15 @@ int udevadm_monitor(struct udev *udev, int argc, char *argv[]) { "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; @@ -119,12 +122,16 @@ int udevadm_monitor(struct udev *udev, int argc, char *argv[]) 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; @@ -168,6 +175,13 @@ int udevadm_monitor(struct udev *udev, int argc, char *argv[]) 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; @@ -244,5 +258,6 @@ out: 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; } |