diff -r 000000000000 -r e4d67989cc36 glib/libglib/inc/gdatasetprivate.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/glib/libglib/inc/gdatasetprivate.h	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,44 @@
+/* GLIB - Library of useful routines for C programming
+ * gdataset-private.h: Internal macros for accessing dataset values
+ * Copyright (C) 2005  Red Hat
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/*
+ * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
+ * file for a list of people on the GLib Team.  See the ChangeLog
+ * files for a list of changes.  These files are distributed with
+ * GLib at ftp://ftp.gtk.org/pub/gtk/. 
+ */
+
+#ifndef __G_DATASETPRIVATE_H__
+#define __G_DATASETPRIVATE_H__
+
+#include <glib/gdataset.h>
+
+G_BEGIN_DECLS
+
+/* GET_FLAGS is implemented via atomic pointer access, to allow memory
+ * barriers to take effect without acquiring the global dataset mutex.
+ */
+#define G_DATALIST_GET_FLAGS(datalist)				\
+  ((gsize) g_atomic_pointer_get ((gpointer*) datalist) & G_DATALIST_FLAGS_MASK)
+
+
+G_END_DECLS
+
+#endif /* __G_DATASETPRIVATE_H__ */