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 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, write to the

    17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

    18  * Boston, MA 02111-1307, USA.

    19  */

    20 

    21 /*

    22  * Modified by the GLib Team and others 1997-2000.  See the AUTHORS

    23  * file for a list of people on the GLib Team.  See the ChangeLog

    24  * files for a list of changes.  These files are distributed with

    25  * GLib at ftp://ftp.gtk.org/pub/gtk/. 

    26  */

    27 

    28 #ifndef __G_DATASETPRIVATE_H__

    29 #define __G_DATASETPRIVATE_H__

    30 

    31 #include <glib/gdataset.h>

    32 

    33 G_BEGIN_DECLS

    34 

    35 /* GET_FLAGS is implemented via atomic pointer access, to allow memory

    36  * barriers to take effect without acquiring the global dataset mutex.

    37  */

    38 #define G_DATALIST_GET_FLAGS(datalist)				\

    39   ((gsize) g_atomic_pointer_get ((gpointer*) datalist) & G_DATALIST_FLAGS_MASK)

    40 

    41 

    42 G_END_DECLS

    43 

    44 #endif /* __G_DATASETPRIVATE_H__ */