add generic udev-filter

Other plugins can add a filter for different subsystems and devnodes.
example:
AddUdevMonitor video4linux /dev/video

If udev signals an "add"-event whose devnode starts with "/dev/video"
the whole devnode is queued for attaching.

1 files changed, 1 insertions, 0 deletions

diff --git a/udev.h b/udev.h
index e72fe19..af079ab 100644
--- a/udev.h
+++ b/udev.h
@@ -25,6 +25,7 @@ public:
 
   const char  *GetAction(void) const;
   cUdevListEntry *GetDevlinksList(void) const;
+  const char  *GetDevnode(void) const;
   cUdevDevice *GetParent(void) const;
   const char  *GetPropertyValue(const char *Key) const;
   const char  *GetSyspath(void) const;