1 /* GLIB - Library of useful routines for C programming 2 * gdataset-private.h: Internal macros for accessing dataset values 3 * Copyright (C) 2005 Red Hat 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Lesser General Public 7 * License as published by the Free Software Foundation; either 8 * version 2.1 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public 16 * License along with this library; if not, see <http://www.gnu.org/licenses/>. 17 */ 18 19 /* 20 * Modified by the GLib Team and others 1997-2000. See the AUTHORS 21 * file for a list of people on the GLib Team. See the ChangeLog 22 * files for a list of changes. These files are distributed with 23 * GLib at ftp://ftp.gtk.org/pub/gtk/. 24 */ 25 26 #ifndef __G_DATASETPRIVATE_H__ 27 #define __G_DATASETPRIVATE_H__ 28 29 #include <gatomic.h> 30 31 G_BEGIN_DECLS 32 33 /* GET_FLAGS is implemented via atomic pointer access, to allow memory 34 * barriers to take effect without acquiring the global dataset mutex. 35 */ 36 #define G_DATALIST_GET_FLAGS(datalist) \ 37 ((gsize) g_atomic_pointer_get (datalist) & G_DATALIST_FLAGS_MASK) 38 39 40 G_END_DECLS 41 42 #endif /* __G_DATASETPRIVATE_H__ */ 43