System.IO.KqueueMonitor.Add C# (CSharp) Méthode

		PathData Add (string path, bool postEvents, ref List<int> fds)
		{
			PathData pathData;
			pathsDict.TryGetValue (path, out pathData);

			if (pathData != null)
				return pathData;

			if (fdsDict.Count >= maxFds)
				throw new IOException ("kqueue() FileSystemWatcher has reached the maximum nunmber of files to watch."); 

			var fd = open (path, O_EVTONLY, 0);

			if (fd == -1) {
				fsw.DispatchErrorEvents (new ErrorEventArgs (new IOException (String.Format (
					"open() error while attempting to process path '{0}', error code = '{1}'", path, Marshal.GetLastWin32Error ()))));
				return null;
			}

			try {
				fds.Add (fd);

				var attrs = File.GetAttributes (path);

				pathData = new PathData {
					Path = path,
					Fd = fd,
					IsDirectory = (attrs & FileAttributes.Directory) == FileAttributes.Directory
				};
				
				pathsDict.Add (path, pathData);
				fdsDict.Add (fd, pathData);

				if (postEvents)
					PostEvent (FileAction.Added, path);

				return pathData;
			} catch (Exception e) {
				close (fd);
				fsw.DispatchErrorEvents (new ErrorEventArgs (e));
				return null;
			}

		}