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/* $Id: _iprt_atomic.h $ */
/** @file
* IPRT Atomic Operation, for including into a system config header.
*/
/*
* Copyright (C) 2009-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
#ifndef VBOX_INCLUDED_SRC_md__iprt_atomic_h
#define VBOX_INCLUDED_SRC_md__iprt_atomic_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
/* Note! Do not copy this around, put it in a header of its own if reused anywhere! */
#include <iprt/asm.h>
#define _PR_HAVE_ATOMIC_OPS
#define _MD_INIT_ATOMIC() do {} while (0)
DECLINLINE(PRInt32) _PR_IPRT_AtomicIncrement(PRInt32 *pVal)
{
return ASMAtomicIncS32(pVal);
}
#define _MD_ATOMIC_INCREMENT(pVal) _PR_IPRT_AtomicIncrement(pVal)
DECLINLINE(PRInt32) _PR_IPRT_AtomicDecrement(PRInt32 *pVal)
{
return ASMAtomicDecS32(pVal);
}
#define _MD_ATOMIC_DECREMENT(pVal) _PR_IPRT_AtomicDecrement(pVal)
DECLINLINE(PRInt32) _PR_IPRT_AtomicSet(PRInt32 *pVal, PRInt32 NewVal)
{
return ASMAtomicXchgS32(pVal, NewVal);
}
#define _MD_ATOMIC_SET(pVal, NewVal) _PR_IPRT_AtomicSet(pVal, NewVal)
DECLINLINE(PRInt32) _PR_IPRT_AtomicAdd(PRInt32 *pVal, PRInt32 ToAdd)
{
return ASMAtomicAddS32(pVal, ToAdd) + ToAdd;
}
#define _MD_ATOMIC_ADD(pVal, ToAdd) _PR_IPRT_AtomicAdd(pVal, ToAdd)
#endif /* !VBOX_INCLUDED_SRC_md__iprt_atomic_h */
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