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/*
* Copyright (c) 2008 - 2009
* Jonathan Schleifer <js@webkeks.org>
*
* 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 included in
* the packaging of this file.
*/
#import "objfw-defs.h"
#if !defined(OF_THREADS)
# define of_atomic_add32(p, i) (*p += i)
# define of_atomic_sub32(p, i) (*p -= i)
# define of_atomic_or32(p, i) (*p |= i)
# define of_atomic_and32(p, i) (*p &= i)
# define of_atomic_xor32(p, i) (*p ^= i)
# define of_atomic_cmpswap32(p, o, n) (*p == o ? ((*p = n) ? 1 : 1) : 0)
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/*
* Copyright (c) 2008 - 2009
* Jonathan Schleifer <js@webkeks.org>
*
* 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 included in
* the packaging of this file.
*/
#import "OFMacros.h"
#if !defined(OF_THREADS)
# define of_atomic_add32(p, i) (*p += i)
# define of_atomic_sub32(p, i) (*p -= i)
# define of_atomic_or32(p, i) (*p |= i)
# define of_atomic_and32(p, i) (*p &= i)
# define of_atomic_xor32(p, i) (*p ^= i)
static OF_INLINE BOOL
of_atomic_cmpswap32(int32_t *p, int32_t o, int32_t n)
{
if (*p == o) {
*p = n;
return YES;
}
return NO;
}
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
# define of_atomic_add32(p, i) __sync_add_and_fetch(p, i)
# define of_atomic_sub32(p, i) __sync_sub_and_fetch(p, i)
# define of_atomic_or32(p, i) __sync_or_and_fetch(p, i)
# define of_atomic_and32(p, i) __sync_and_and_fetch(p, i)
# define of_atomic_xor32(p, i) __sync_xor_and_fetch(p, i)
# define of_atomic_cmpswap32(p, o, n) __sync_bool_compare_and_swap(p, o, n)
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