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+// This code contains NVIDIA Confidential Information and is disclosed to you
+// under a form of NVIDIA software license agreement provided separately to you.
+//
+// Notice
+// NVIDIA Corporation and its licensors retain all intellectual property and
+// proprietary rights in and to this software and related documentation and
+// any modifications thereto. Any use, reproduction, disclosure, or
+// distribution of this software and related documentation without an express
+// license agreement from NVIDIA Corporation is strictly prohibited.
+//
+// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
+// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
+// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
+// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
+//
+// Information and code furnished is believed to be accurate and reliable.
+// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
+// information or for any infringement of patents or other rights of third parties that may
+// result from its use. No license is granted by implication or otherwise under any patent
+// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
+// This code supersedes and replaces all information previously supplied.
+// NVIDIA Corporation products are not authorized for use as critical
+// components in life support devices or systems without express written approval of
+// NVIDIA Corporation.
+//
+// Copyright (c) 2008-2017 NVIDIA Corporation. All rights reserved.
+// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
+// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
+
+#ifndef PSFOUNDATION_PSATOMIC_H
+#define PSFOUNDATION_PSATOMIC_H
+
+#include "Ps.h"
+
+namespace physx
+{
+namespace shdfnd
+{
+/* set *dest equal to val. Return the old value of *dest */
+PX_FOUNDATION_API int32_t atomicExchange(volatile int32_t* dest, int32_t val);
+
+/* if *dest == comp, replace with exch. Return original value of *dest */
+PX_FOUNDATION_API int32_t atomicCompareExchange(volatile int32_t* dest, int32_t exch, int32_t comp);
+
+/* if *dest == comp, replace with exch. Return original value of *dest */
+PX_FOUNDATION_API void* atomicCompareExchangePointer(volatile void** dest, void* exch, void* comp);
+
+/* increment the specified location. Return the incremented value */
+PX_FOUNDATION_API int32_t atomicIncrement(volatile int32_t* val);
+
+/* decrement the specified location. Return the decremented value */
+PX_FOUNDATION_API int32_t atomicDecrement(volatile int32_t* val);
+
+/* add delta to *val. Return the new value */
+PX_FOUNDATION_API int32_t atomicAdd(volatile int32_t* val, int32_t delta);
+
+/* compute the maximum of dest and val. Return the new value */
+PX_FOUNDATION_API int32_t atomicMax(volatile int32_t* val, int32_t val2);
+
+} // namespace shdfnd
+} // namespace physx
+
+#endif // #ifndef PSFOUNDATION_PSATOMIC_H