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#import "macros.h"
#ifdef OF_HAVE_OSATOMIC
# include <libkern/OSAtomic.h>
#endif
static OF_INLINE int
of_atomic_add_int(volatile int *p, int i)
of_atomic_int_add(volatile int *p, int i)
{
#if !defined(OF_HAVE_THREADS)
return (*p += i);
#elif defined(OF_X86_64_ASM) || defined(OF_X86_ASM)
if (sizeof(int) == 4)
__asm__ __volatile__ (
"lock\n\t"
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return i;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
return __sync_add_and_fetch(p, i);
#elif defined(OF_HAVE_OSATOMIC)
return OSAtomicAdd32Barrier(i, p);
#else
# error of_atomic_add_int not implemented!
# error of_atomic_int_add not implemented!
#endif
}
static OF_INLINE int32_t
of_atomic_add_32(volatile int32_t *p, int32_t i)
of_atomic_int32_add(volatile int32_t *p, int32_t i)
{
#if !defined(OF_HAVE_THREADS)
return (*p += i);
#elif defined(OF_X86_64_ASM) || defined(OF_X86_ASM)
__asm__ __volatile__ (
"lock\n\t"
"xaddl %0, %2\n\t"
"addl %1, %0"
: "+&r"(i)
: "r"(i), "m"(*p)
);
return i;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
return __sync_add_and_fetch(p, i);
#elif defined(OF_HAVE_OSATOMIC)
return OSAtomicAdd32Barrier(i, p);
#else
# error of_atomic_add_32 not implemented!
# error of_atomic_int32_add not implemented!
#endif
}
static OF_INLINE void*
of_atomic_add_ptr(void* volatile *p, intptr_t i)
of_atomic_ptr_add(void* volatile *p, intptr_t i)
{
#if !defined(OF_HAVE_THREADS)
return (*(char* volatile*)p += i);
#elif defined(OF_X86_64_ASM)
__asm__ __volatile__ (
"lock\n\t"
"xaddq %0, %2\n\t"
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#elif defined(OF_HAVE_OSATOMIC)
# ifdef __LP64__
return (void*)OSAtomicAdd64Barrier(i, (int64_t*)p);
# else
return (void*)OSAtomicAdd32Barrier(i, (int32_t*)p);
# endif
#else
# error of_atomic_add_ptr not implemented!
# error of_atomic_ptr_add not implemented!
#endif
}
static OF_INLINE int
of_atomic_sub_int(volatile int *p, int i)
of_atomic_int_sub(volatile int *p, int i)
{
#if !defined(OF_HAVE_THREADS)
return (*p -= i);
#elif defined(OF_X86_64_ASM) || defined(OF_X86_ASM)
if (sizeof(int) == 4)
__asm__ __volatile__ (
"negl %0\n\t"
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return i;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
return __sync_sub_and_fetch(p, i);
#elif defined(OF_HAVE_OSATOMIC)
return OSAtomicAdd32Barrier(-i, p);
#else
# error of_atomic_sub_int not implemented!
# error of_atomic_int_sub not implemented!
#endif
}
static OF_INLINE int32_t
of_atomic_sub_32(volatile int32_t *p, int32_t i)
of_atomic_int32_sub(volatile int32_t *p, int32_t i)
{
#if !defined(OF_HAVE_THREADS)
return (*p -= i);
#elif defined(OF_X86_64_ASM) || defined(OF_X86_ASM)
__asm__ __volatile__ (
"negl %0\n\t"
"lock\n\t"
"xaddl %0, %2\n\t"
"subl %1, %0"
: "+&r"(i)
: "r"(i), "m"(*p)
);
return i;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
return __sync_sub_and_fetch(p, i);
#elif defined(OF_HAVE_OSATOMIC)
return OSAtomicAdd32Barrier(-i, p);
#else
# error of_atomic_sub_32 not implemented!
# error of_atomic_int32_sub not implemented!
#endif
}
static OF_INLINE void*
of_atomic_sub_ptr(void* volatile *p, intptr_t i)
of_atomic_ptr_sub(void* volatile *p, intptr_t i)
{
#if !defined(OF_HAVE_THREADS)
return (*(char* volatile*)p -= i);
#elif defined(OF_X86_64_ASM)
__asm__ __volatile__ (
"negq %0\n\t"
"lock\n\t"
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#elif defined(OF_HAVE_OSATOMIC)
# ifdef __LP64__
return (void*)OSAtomicAdd64Barrier(-i, (int64_t*)p);
# else
return (void*)OSAtomicAdd32Barrier(-i, (int32_t*)p);
# endif
#else
# error of_atomic_sub_ptr not implemented!
# error of_atomic_ptr_sub not implemented!
#endif
}
static OF_INLINE int
of_atomic_inc_int(volatile int *p)
of_atomic_int_inc(volatile int *p)
{
#if !defined(OF_HAVE_THREADS)
return ++*p;
#elif defined(OF_X86_64_ASM) || defined(OF_X86_ASM)
int i;
if (sizeof(int) == 4)
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return i;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
return __sync_add_and_fetch(p, 1);
#elif defined(OF_HAVE_OSATOMIC)
return OSAtomicIncrement32Barrier(p);
#else
# error of_atomic_inc_int not implemented!
# error of_atomic_int_inc not implemented!
#endif
}
static OF_INLINE int32_t
of_atomic_inc_32(volatile int32_t *p)
of_atomic_int32_inc(volatile int32_t *p)
{
#if !defined(OF_HAVE_THREADS)
return ++*p;
#elif defined(OF_X86_64_ASM) || defined(OF_X86_ASM)
uint32_t i;
__asm__ __volatile__ (
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return i;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
return __sync_add_and_fetch(p, 1);
#elif defined(OF_HAVE_OSATOMIC)
return OSAtomicIncrement32Barrier(p);
#else
# error of_atomic_inc_32 not implemented!
# error of_atomic_int32_inc not implemented!
#endif
}
static OF_INLINE int
of_atomic_dec_int(volatile int *p)
of_atomic_int_dec(volatile int *p)
{
#if !defined(OF_HAVE_THREADS)
return --*p;
#elif defined(OF_X86_64_ASM) || defined(OF_X86_ASM)
int i;
if (sizeof(int) == 4)
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return i;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
return __sync_sub_and_fetch(p, 1);
#elif defined(OF_HAVE_OSATOMIC)
return OSAtomicDecrement32Barrier(p);
#else
# error of_atomic_dec_int not implemented!
# error of_atomic_int_dec not implemented!
#endif
}
static OF_INLINE int32_t
of_atomic_dec_32(volatile int32_t *p)
of_atomic_int32_dec(volatile int32_t *p)
{
#if !defined(OF_HAVE_THREADS)
return --*p;
#elif defined(OF_X86_64_ASM) || defined(OF_X86_ASM)
uint32_t i;
__asm__ __volatile__ (
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return i;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
return __sync_sub_and_fetch(p, 1);
#elif defined(OF_HAVE_OSATOMIC)
return OSAtomicDecrement32Barrier(p);
#else
# error of_atomic_dec_32 not implemented!
# error of_atomic_int32_dec not implemented!
#endif
}
static OF_INLINE unsigned int
of_atomic_or_int(volatile unsigned int *p, unsigned int i)
of_atomic_int_or(volatile unsigned int *p, unsigned int i)
{
#if !defined(OF_HAVE_THREADS)
return (*p |= i);
#elif defined(OF_X86_64_ASM) || defined(OF_X86_ASM)
if (sizeof(int) == 4)
__asm__ __volatile__ (
"0:\n\t"
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return i;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
return __sync_or_and_fetch(p, i);
#elif defined(OF_HAVE_OSATOMIC)
return OSAtomicOr32Barrier(i, p);
#else
# error of_atomic_or_int not implemented!
# error of_atomic_int_or not implemented!
#endif
}
static OF_INLINE uint32_t
of_atomic_or_32(volatile uint32_t *p, uint32_t i)
of_atomic_int32_or(volatile uint32_t *p, uint32_t i)
{
#if !defined(OF_HAVE_THREADS)
return (*p |= i);
#elif defined(OF_X86_64_ASM) || defined(OF_X86_ASM)
__asm__ __volatile__ (
"0:\n\t"
"movl %2, %0\n\t"
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return i;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
return __sync_or_and_fetch(p, i);
#elif defined(OF_HAVE_OSATOMIC)
return OSAtomicOr32Barrier(i, p);
#else
# error of_atomic_or_32 not implemented!
# error of_atomic_int32_or not implemented!
#endif
}
static OF_INLINE unsigned int
of_atomic_and_int(volatile unsigned int *p, unsigned int i)
of_atomic_int_and(volatile unsigned int *p, unsigned int i)
{
#if !defined(OF_HAVE_THREADS)
return (*p &= i);
#elif defined(OF_X86_64_ASM) || defined(OF_X86_ASM)
if (sizeof(int) == 4)
__asm__ __volatile__ (
"0:\n\t"
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return i;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
return __sync_and_and_fetch(p, i);
#elif defined(OF_HAVE_OSATOMIC)
return OSAtomicAnd32Barrier(i, p);
#else
# error of_atomic_and_int not implemented!
# error of_atomic_int_and not implemented!
#endif
}
static OF_INLINE uint32_t
of_atomic_and_32(volatile uint32_t *p, uint32_t i)
of_atomic_int32_and(volatile uint32_t *p, uint32_t i)
{
#if !defined(OF_HAVE_THREADS)
return (*p &= i);
#elif defined(OF_X86_64_ASM) || defined(OF_X86_ASM)
__asm__ __volatile__ (
"0:\n\t"
"movl %2, %0\n\t"
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return i;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
return __sync_and_and_fetch(p, i);
#elif defined(OF_HAVE_OSATOMIC)
return OSAtomicAnd32Barrier(i, p);
#else
# error of_atomic_and_32 not implemented!
# error of_atomic_int32_and not implemented!
#endif
}
static OF_INLINE unsigned int
of_atomic_xor_int(volatile unsigned int *p, unsigned int i)
of_atomic_int_xor(volatile unsigned int *p, unsigned int i)
{
#if !defined(OF_HAVE_THREADS)
return (*p ^= i);
#elif defined(OF_X86_64_ASM) || defined(OF_X86_ASM)
if (sizeof(int) == 4)
__asm__ __volatile__ (
"0:\n\t"
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return i;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
return __sync_xor_and_fetch(p, i);
#elif defined(OF_HAVE_OSATOMIC)
return OSAtomicXor32Barrier(i, p);
#else
# error of_atomic_xor_int not implemented!
# error of_atomic_int_xor not implemented!
#endif
}
static OF_INLINE uint32_t
of_atomic_xor_32(volatile uint32_t *p, uint32_t i)
of_atomic_int32_xor(volatile uint32_t *p, uint32_t i)
{
#if !defined(OF_HAVE_THREADS)
return (*p ^= i);
#elif defined(OF_X86_64_ASM) || defined(OF_X86_ASM)
__asm__ __volatile__ (
"0:\n\t"
"movl %2, %0\n\t"
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return i;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
return __sync_xor_and_fetch(p, i);
#elif defined(OF_HAVE_OSATOMIC)
return OSAtomicXor32Barrier(i, p);
#else
# error of_atomic_xor_32 not implemented!
# error of_atomic_int32_xor not implemented!
#endif
}
static OF_INLINE bool
of_atomic_cmpswap_int(volatile int *p, int o, int n)
of_atomic_int_cmpswap(volatile int *p, int o, int n)
{
#if !defined(OF_HAVE_THREADS)
if (*p == o) {
*p = n;
return true;
}
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return r;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
return __sync_bool_compare_and_swap(p, o, n);
#elif defined(OF_HAVE_OSATOMIC)
return OSAtomicCompareAndSwapIntBarrier(o, n, p);
#else
# error of_atomic_cmpswap_int not implemented!
# error of_atomic_int_cmpswap not implemented!
#endif
}
static OF_INLINE bool
of_atomic_cmpswap_32(volatile int32_t *p, int32_t o, int32_t n)
of_atomic_int32_cmpswap(volatile int32_t *p, int32_t o, int32_t n)
{
#if !defined(OF_HAVE_THREADS)
if (*p == o) {
*p = n;
return true;
}
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return r;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
return __sync_bool_compare_and_swap(p, o, n);
#elif defined(OF_HAVE_OSATOMIC)
return OSAtomicCompareAndSwap32Barrier(o, n, p);
#else
# error of_atomic_cmpswap_32 not implemented!
# error of_atomic_int32_cmpswap not implemented!
#endif
}
static OF_INLINE bool
of_atomic_cmpswap_ptr(void* volatile *p, void *o, void *n)
of_atomic_ptr_cmpswap(void* volatile *p, void *o, void *n)
{
#if !defined(OF_HAVE_THREADS)
if (*p == o) {
*p = n;
return true;
}
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return r;
#elif defined(OF_HAVE_GCC_ATOMIC_OPS)
return __sync_bool_compare_and_swap(p, o, n);
#elif defined(OF_HAVE_OSATOMIC)
return OSAtomicCompareAndSwapPtrBarrier(o, n, p);
#else
# error of_atomic_cmpswap_ptr not implemented!
# error of_atomic_ptr_cmpswap not implemented!
#endif
}
static OF_INLINE void
of_memory_barrier(void)
{
#if !defined(OF_HAVE_THREADS)
|
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