mirror of https://gitee.com/openkylin/glib2.0.git
45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
/* GLIB - Library of useful routines for C programming
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* gdataset-private.h: Internal macros for accessing dataset values
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* Copyright (C) 2005 Red Hat
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* Modified by the GLib Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GLib Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GLib at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#ifndef __G_DATASETPRIVATE_H__
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#define __G_DATASETPRIVATE_H__
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#include <gatomic.h>
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G_BEGIN_DECLS
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/* GET_FLAGS is implemented via atomic pointer access, to allow memory
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* barriers to take effect without acquiring the global dataset mutex.
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*/
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#define G_DATALIST_GET_FLAGS(datalist) \
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((gsize) g_atomic_pointer_get (datalist) & G_DATALIST_FLAGS_MASK)
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G_END_DECLS
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#endif /* __G_DATASETPRIVATE_H__ */
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