glib/glib/gdatasetprivate.h
2014-01-31 14:31:55 +01:00

43 lines
1.5 KiB
C

/* 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, see <http://www.gnu.org/licenses/>.
*/
/*
* 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 <gatomic.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 (datalist) & G_DATALIST_FLAGS_MASK)
G_END_DECLS
#endif /* __G_DATASETPRIVATE_H__ */