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