Revision control
- //
- // Redistribution and use in source and binary forms, with or without
- // modification, are permitted provided that the following conditions
- // are met:
- // * Redistributions of source code must retain the above copyright
- // notice, this list of conditions and the following disclaimer.
- // * Redistributions in binary form must reproduce the above copyright
- // notice, this list of conditions and the following disclaimer in the
- // documentation and/or other materials provided with the distribution.
- // * Neither the name of NVIDIA CORPORATION nor the names of its
- // contributors may be used to endorse or promote products derived
- // from this software without specific prior written permission.
- //
- // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
- // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- // OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- //
- // Copyright (c) 2008-2021 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"
- #include "foundation/PxFoundationConfig.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