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

		void Monitor ()
		{
			var timeout = new timespec { tv_sec = (IntPtr)0, tv_usec = (IntPtr)500000000 };
			var eventBuffer = new kevent[32];
			var newFds = new List<int> ();
			List<PathData> removeQueue = new List<PathData> ();
			List<string> rescanQueue = new List<string> ();

			int retries = 0; 

			while (!requestStop) {
				var changes = CreateChangeList (ref newFds);

				int numEvents = kevent (conn, changes, changes.Length, eventBuffer, eventBuffer.Length, ref timeout);

				if (numEvents == -1) {
					if (++retries == 3)
						throw new IOException (String.Format (
							"persistent kevent() error, error code = '{0}'", Marshal.GetLastWin32Error ()));

					continue;
				}

				retries = 0;

				for (var i = 0; i < numEvents; i++) {
					var kevt = eventBuffer [i];
					var pathData = fdsDict [(int)kevt.ident];

					if ((kevt.flags & EventFlags.Error) == EventFlags.Error) {
						var errMsg = String.Format ("kevent() error watching path '{0}', error code = '{1}'", pathData.Path, kevt.data);
						fsw.DispatchErrorEvents (new ErrorEventArgs (new IOException (errMsg)));
						continue;
					}
						
					if ((kevt.fflags & FilterFlags.VNodeDelete) == FilterFlags.VNodeDelete || (kevt.fflags & FilterFlags.VNodeRevoke) == FilterFlags.VNodeRevoke) {
						removeQueue.Add (pathData);
						continue;
					}

					if ((kevt.fflags & FilterFlags.VNodeRename) == FilterFlags.VNodeRename) {
							UpdatePath (pathData);
					} 

					if ((kevt.fflags & FilterFlags.VNodeWrite) == FilterFlags.VNodeWrite) {
						if (pathData.IsDirectory) //TODO: Check if dirs trigger Changed events on .NET
							rescanQueue.Add (pathData.Path);
						else
							PostEvent (FileAction.Modified, pathData.Path);
					}
						
					if ((kevt.fflags & FilterFlags.VNodeAttrib) == FilterFlags.VNodeAttrib || (kevt.fflags & FilterFlags.VNodeExtend) == FilterFlags.VNodeExtend)
						PostEvent (FileAction.Modified, pathData.Path);
				}

				removeQueue.ForEach (Remove);
				removeQueue.Clear ();

				rescanQueue.ForEach (path => {
					Scan (path, true, ref newFds);
				});
				rescanQueue.Clear ();
			}
		}