/**************************************************************************** ** ** Copyright (C) 2008-2012 NVIDIA Corporation. ** Copyright (C) 2017 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of Qt 3D Studio. ** ** $QT_BEGIN_LICENSE:GPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3 or (at your option) any later version ** approved by the KDE Free Qt Foundation. The licenses are as published by ** the Free Software Foundation and appearing in the file LICENSE.GPL3 ** included in the packaging of this file. Please review the following ** information to ensure the GNU General Public License requirements will ** be met: https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef QT3DS_FOUNDATION_PSATOMIC_H #define QT3DS_FOUNDATION_PSATOMIC_H #include "foundation/Qt3DS.h" namespace qt3ds { namespace foundation { /* set *dest equal to val. Return the old value of *dest */ QT3DS_AUTOTEST_EXPORT QT3DSI32 atomicExchange(volatile QT3DSI32 *dest, QT3DSI32 val); /* if *dest == comp, replace with exch. Return original value of *dest */ QT3DS_AUTOTEST_EXPORT QT3DSI32 atomicCompareExchange(volatile QT3DSI32 *dest, QT3DSI32 exch, QT3DSI32 comp); /* if *dest == comp, replace with exch. Return original value of *dest */ QT3DS_AUTOTEST_EXPORT void *atomicCompareExchangePointer(volatile void **dest, void *exch, void *comp); /* increment the specified location. Return the incremented value */ QT3DS_AUTOTEST_EXPORT QT3DSI32 atomicIncrement(volatile QT3DSI32 *val); /* decrement the specified location. Return the decremented value */ QT3DS_AUTOTEST_EXPORT QT3DSI32 atomicDecrement(volatile QT3DSI32 *val); /* add delta to *val. Return the new value */ QT3DS_AUTOTEST_EXPORT QT3DSI32 atomicAdd(volatile QT3DSI32 *val, QT3DSI32 delta); /* compute the maximum of dest and val. Return the new value */ QT3DS_AUTOTEST_EXPORT QT3DSI32 atomicMax(volatile QT3DSI32 *val, QT3DSI32 val2); } // namespace foundation } // namespace qt3ds #endif