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30024b3f8e
This is a preferred thread-safe version. Also add an inline version of g_clear_object() if compiling with glib < 2.28. Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
77 lines
2.4 KiB
C
77 lines
2.4 KiB
C
/*
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* glibcompat.h - System-dependent definitions
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*
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* Copyright (C) 2012 Intel Corporation
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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 License
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* as published by the Free Software Foundation; either version 2.1
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* 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, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#ifndef GLIB_COMPAT_H
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#define GLIB_COMPAT_H
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#include <glib.h>
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#include <glib-object.h>
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#if !GLIB_CHECK_VERSION(2,27,2)
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static inline void
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g_list_free_full(GList *list, GDestroyNotify free_func)
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{
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g_list_foreach(list, (GFunc)free_func, NULL);
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g_list_free(list);
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}
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#endif
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#if !GLIB_CHECK_VERSION(2,28,0)
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static inline void
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g_clear_object_inline(volatile GObject **object_ptr)
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{
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gpointer * const ptr = (gpointer)object_ptr;
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gpointer old;
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do {
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old = g_atomic_pointer_get(ptr);
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} while G_UNLIKELY(!g_atomic_pointer_compare_and_exchange(ptr, old, NULL));
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if (old)
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g_object_unref(old);
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}
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#undef g_clear_object
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#define g_clear_object(obj) g_clear_object_inline((volatile GObject **)(obj))
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#endif
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#if GLIB_CHECK_VERSION(2,31,2)
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#define GStaticMutex GMutex
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#undef g_static_mutex_init
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#define g_static_mutex_init(mutex) g_mutex_init(mutex)
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#undef g_static_mutex_free
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#define g_static_mutex_free(mutex) g_mutex_clear(mutex)
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#undef g_static_mutex_lock
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#define g_static_mutex_lock(mutex) g_mutex_lock(mutex)
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#undef g_static_mutex_unlock
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#define g_static_mutex_unlock(mutex) g_mutex_unlock(mutex)
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#define GStaticRecMutex GRecMutex
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#undef g_static_rec_mutex_init
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#define g_static_rec_mutex_init(mutex) g_rec_mutex_init(mutex)
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#undef g_static_rec_mutex_free
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#define g_static_rec_mutex_free(mutex) g_rec_mutex_clear(mutex)
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#undef g_static_rec_mutex_lock
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#define g_static_rec_mutex_lock(mutex) g_rec_mutex_lock(mutex)
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#undef g_static_rec_mutex_unlock
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#define g_static_rec_mutex_unlock(m) g_rec_mutex_unlock(m)
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#endif
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#endif /* GLIB_COMPAT_H */
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