/* * Copyright (c) 2008-2021 Jonathan Schleifer <js@nil.im> * * All rights reserved. * * This file is part of ObjFW. It may be distributed under the terms of the * Q Public License 1.0, which can be found in the file LICENSE.QPL included in * the packaging of this file. * * Alternatively, it may be distributed under the terms of the GNU General * Public License, either version 2 or 3, which can be found in the file * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this * file. */ #include <libkern/OSAtomic.h> static OF_INLINE int OFAtomicIntAdd(volatile int *_Nonnull p, int i) { return OSAtomicAdd32(i, p); } static OF_INLINE int32_t OFAtomicInt32Add(volatile int32_t *_Nonnull p, int32_t i) { return OSAtomicAdd32(i, p); } static OF_INLINE void *_Nullable OFAtomicPointerAdd(void *volatile _Nullable *_Nonnull p, intptr_t i) { #ifdef __LP64__ return (void *)OSAtomicAdd64(i, (int64_t *)p); #else return (void *)OSAtomicAdd32(i, (int32_t *)p); #endif } static OF_INLINE int OFAtomicIntSubtract(volatile int *_Nonnull p, int i) { return OSAtomicAdd32(-i, p); } static OF_INLINE int32_t OFAtomicInt32Subtract(volatile int32_t *_Nonnull p, int32_t i) { return OSAtomicAdd32(-i, p); } static OF_INLINE void *_Nullable OFAtomicPointerSubtract(void *volatile _Nullable *_Nonnull p, intptr_t i) { #ifdef __LP64__ return (void *)OSAtomicAdd64(-i, (int64_t *)p); #else return (void *)OSAtomicAdd32(-i, (int32_t *)p); #endif } static OF_INLINE int OFAtomicIntIncrease(volatile int *_Nonnull p) { return OSAtomicIncrement32(p); } static OF_INLINE int32_t OFAtomicInt32Increase(volatile int32_t *_Nonnull p) { return OSAtomicIncrement32(p); } static OF_INLINE int OFAtomicIntDecrease(volatile int *_Nonnull p) { return OSAtomicDecrement32(p); } static OF_INLINE int32_t OFAtomicInt32Decrease(volatile int32_t *_Nonnull p) { return OSAtomicDecrement32(p); } static OF_INLINE unsigned int OFAtomicIntOr(volatile unsigned int *_Nonnull p, unsigned int i) { return OSAtomicOr32(i, p); } static OF_INLINE uint32_t OFAtomicInt32Or(volatile uint32_t *_Nonnull p, uint32_t i) { return OSAtomicOr32(i, p); } static OF_INLINE unsigned int OFAtomicIntAnd(volatile unsigned int *_Nonnull p, unsigned int i) { return OSAtomicAnd32(i, p); } static OF_INLINE uint32_t OFAtomicInt32And(volatile uint32_t *_Nonnull p, uint32_t i) { return OSAtomicAnd32(i, p); } static OF_INLINE unsigned int OFAtomicIntXor(volatile unsigned int *_Nonnull p, unsigned int i) { return OSAtomicXor32(i, p); } static OF_INLINE uint32_t OFAtomicInt32Xor(volatile uint32_t *_Nonnull p, uint32_t i) { return OSAtomicXor32(i, p); } static OF_INLINE bool OFAtomicIntCompareAndSwap(volatile int *_Nonnull p, int o, int n) { return OSAtomicCompareAndSwapInt(o, n, p); } static OF_INLINE bool OFAtomicInt32CompareAndSwap(volatile int32_t *_Nonnull p, int32_t o, int32_t n) { return OSAtomicCompareAndSwap32(o, n, p); } static OF_INLINE bool OFAtomicPointerCompareAndSwap(void *volatile _Nullable *_Nonnull p, void *_Nullable o, void *_Nullable n) { return OSAtomicCompareAndSwapPtr(o, n, p); } static OF_INLINE void of_memory_barrier(void) { OSMemoryBarrier(); } static OF_INLINE void of_memory_barrier_acquire(void) { OSMemoryBarrier(); } static OF_INLINE void of_memory_barrier_release(void) { OSMemoryBarrier(); }