From c9eaab1cf3eedcaf68132205266de396b5e20d5f Mon Sep 17 00:00:00 2001
From: Ben Maurer <benm@mono-cvs.ximian.com>
Date: Mon, 22 Aug 2005 17:11:37 +0000
Subject: [PATCH] 	* gtk/TreeNode.cs: Add Interlocked.Increment rather
 than ++. This 	makes it safe to create tree nodes in a worker thread as long
 as 	you reparent them into the tree with another thread. Thanks to mk 
 for allowing a bit of threadedness in :-).

svn path=/trunk/gtk-sharp/; revision=48683
---
 ChangeLog       | 5 +++++
 gtk/TreeNode.cs | 4 +++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 261083be5..28c5dc2e7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2005-08-22  Ben Maurer  <bmaurer@novell.com>
 
+	* gtk/TreeNode.cs: Add Interlocked.Increment rather than ++. This
+	makes it safe to create tree nodes in a worker thread as long as
+	you reparent them into the tree with another thread. Thanks to mk
+	for allowing a bit of threadedness in :-).
+	
 	* gtk/NodeView.cs: Fix leak here. r=mkestner
 
 2005-08-22  Mike Kestner  <mkestner@novell.com>
diff --git a/gtk/TreeNode.cs b/gtk/TreeNode.cs
index f3a28bde0..28fc0b2f7 100644
--- a/gtk/TreeNode.cs
+++ b/gtk/TreeNode.cs
@@ -23,9 +23,11 @@ namespace Gtk {
 
 	using System;
 	using System.Collections;
+	using System.Threading;
 
 	public abstract class TreeNode : ITreeNode {
 
+		// Only use interlocked operations
 		static int next_idx = 0;
 
 		int id;
@@ -34,7 +36,7 @@ namespace Gtk {
 
 		public TreeNode ()
 		{
-			id = next_idx++;
+			id = Interlocked.Increment (ref next_idx);
 		}
 
 		public int ID {