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/*
* urcu-pointer.c
*
* library wrappers to be used by non-LGPL compatible source code.
*
* Copyright (c) 2009 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
* Copyright (c) 2009 Paul E. McKenney, IBM Corporation.
*
* 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 2.1 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* IBM's contributions to this file may be relicensed under LGPLv2 or later.
*/
#include <urcu/uatomic.h>
#include "urcu/static/urcu-pointer.h"
/* Do not #define _LGPL_SOURCE to ensure we can emit the wrapper symbols */
#include "urcu-pointer.h"
extern void synchronize_rcu(void);
void *rcu_dereference_sym(void *p)
{
return _rcu_dereference(p);
}
void *rcu_set_pointer_sym(void **p, void *v)
{
cmm_wmb();
uatomic_set(p, v);
return v;
}
void *rcu_xchg_pointer_sym(void **p, void *v)
{
cmm_wmb();
return uatomic_xchg(p, v);
}
void *rcu_cmpxchg_pointer_sym(void **p, void *old, void *_new)
{
cmm_wmb();
return uatomic_cmpxchg(p, old, _new);
}
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