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, 15 insertions, 1 deletions

diff --git a/monitor.h b/monitor.h
index 659e504..79634c0 100644
--- a/monitor.h
+++ b/monitor.h
@@ -54,5 +54,19 @@ class cUdevDvbFilter : public cUdevFilter {
 protected:
   virtual void Process(cUdevDevice &Device);
   };
-  
+
+class cUdevPatternFilter : public cUdevFilter {
+public:
+  static bool AddFilter(const char *Subsystem, const char *Pattern);
+protected:
+  static cMutex   filtersMutex;
+  static cList<cUdevPatternFilter> filters;
+
+  virtual ~cUdevPatternFilter(void);
+  virtual void Process(cUdevDevice &Device);
+private:
+  cUdevPatternFilter(const char *Pattern);
+  cString pattern;
+  };
+
 #endif // __DYNAMITEMONITOR_H