66 lines
2.9 KiB
C++
66 lines
2.9 KiB
C++
// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of NVIDIA CORPORATION nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Copyright (c) 2008-2023 NVIDIA Corporation. All rights reserved.
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// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
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// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
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#ifndef PX_ATOMIC_H
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#define PX_ATOMIC_H
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#include "foundation/PxFoundationConfig.h"
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#include "foundation/PxSimpleTypes.h"
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#if !PX_DOXYGEN
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namespace physx
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{
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#endif
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/* set *dest equal to val. Return the old value of *dest */
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PX_FOUNDATION_API PxI32 PxAtomicExchange(volatile PxI32* dest, PxI32 val);
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/* if *dest == comp, replace with exch. Return original value of *dest */
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PX_FOUNDATION_API PxI32 PxAtomicCompareExchange(volatile PxI32* dest, PxI32 exch, PxI32 comp);
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/* if *dest == comp, replace with exch. Return original value of *dest */
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PX_FOUNDATION_API void* PxAtomicCompareExchangePointer(volatile void** dest, void* exch, void* comp);
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/* increment the specified location. Return the incremented value */
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PX_FOUNDATION_API PxI32 PxAtomicIncrement(volatile PxI32* val);
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/* decrement the specified location. Return the decremented value */
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PX_FOUNDATION_API PxI32 PxAtomicDecrement(volatile PxI32* val);
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/* add delta to *val. Return the new value */
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PX_FOUNDATION_API PxI32 PxAtomicAdd(volatile PxI32* val, PxI32 delta);
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/* compute the maximum of dest and val. Return the new value */
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PX_FOUNDATION_API PxI32 PxAtomicMax(volatile PxI32* val, PxI32 val2);
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#if !PX_DOXYGEN
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} // namespace physx
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#endif
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#endif
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