System.IO.KeventWatcher.kqueue C# (CSharp) Méthode

		extern static int kqueue ();
	}

 public static bool GetInstance(out IFileWatcher watcher)
 {
     if (KeventWatcher.failed)
     {
         watcher = null;
         return(false);
     }
     if (KeventWatcher.instance != null)
     {
         watcher = KeventWatcher.instance;
         return(true);
     }
     KeventWatcher.watches  = Hashtable.Synchronized(new Hashtable());
     KeventWatcher.requests = Hashtable.Synchronized(new Hashtable());
     KeventWatcher.conn     = KeventWatcher.kqueue();
     if (KeventWatcher.conn == -1)
     {
         KeventWatcher.failed = true;
         watcher = null;
         return(false);
     }
     KeventWatcher.instance = new KeventWatcher();
     watcher = KeventWatcher.instance;
     return(true);
 }