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if ([(id)block isMemberOfClass: (Class)&_NSConcreteMallocBlock]) {
#ifdef OF_HAVE_ATOMIC_OPS
OFAtomicIntIncrease(&block->flags);
#else
unsigned hash = SPINLOCK_HASH(block);
OF_ENSURE(OFSpinlockLock(&blockSpinlocks[hash]) == 0);
OFEnsure(OFSpinlockLock(&blockSpinlocks[hash]) == 0);
block->flags++;
OF_ENSURE(OFSpinlockUnlock(&blockSpinlocks[hash]) == 0);
OFEnsure(OFSpinlockUnlock(&blockSpinlocks[hash]) == 0);
#endif
}
return block;
}
void
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block->descriptor->dispose_helper(block);
free(block);
}
#else
unsigned hash = SPINLOCK_HASH(block);
OF_ENSURE(OFSpinlockLock(&blockSpinlocks[hash]) == 0);
OFEnsure(OFSpinlockLock(&blockSpinlocks[hash]) == 0);
if ((--block->flags & OF_BLOCK_REFCOUNT_MASK) == 0) {
OF_ENSURE(OFSpinlockUnlock(&blockSpinlocks[hash]) == 0);
OFEnsure(OFSpinlockUnlock(&blockSpinlocks[hash]) == 0);
if (block->flags & OF_BLOCK_HAS_COPY_DISPOSE)
block->descriptor->dispose_helper(block);
free(block);
return;
}
OF_ENSURE(OFSpinlockUnlock(&blockSpinlocks[hash]) == 0);
OFEnsure(OFSpinlockUnlock(&blockSpinlocks[hash]) == 0);
#endif
}
void
_Block_object_assign(void *dst_, const void *src_, const int flags_)
{
int flags = flags_ & (OF_BLOCK_FIELD_IS_BLOCK |
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free(*dst);
*dst = src->forwarding;
}
#else
unsigned hash = SPINLOCK_HASH(src);
OF_ENSURE(OFSpinlockLock(&byrefSpinlocks[hash]) == 0);
OFEnsure(OFSpinlockLock(&byrefSpinlocks[hash]) == 0);
if (src->forwarding == src)
src->forwarding = *dst;
else {
src->byref_dispose(*dst);
free(*dst);
*dst = src->forwarding;
}
OF_ENSURE(
OFSpinlockUnlock(&byrefSpinlocks[hash]) == 0);
OF_ENSURE(OFSpinlockLock(&byrefSpinlocks[hash]) == 0);
OFEnsure(OFSpinlockLock(&byrefSpinlocks[hash]) == 0);
(*dst)->flags++;
OF_ENSURE(OFSpinlockUnlock(&byrefSpinlocks[hash]) == 0);
OFEnsure(OFSpinlockUnlock(&byrefSpinlocks[hash]) == 0);
#endif
break;
}
}
void
_Block_object_dispose(const void *object_, const int flags_)
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object->byref_dispose(object);
free(object);
}
#else
unsigned hash = SPINLOCK_HASH(object);
OF_ENSURE(OFSpinlockLock(&byrefSpinlocks[hash]) == 0);
OFEnsure(OFSpinlockLock(&byrefSpinlocks[hash]) == 0);
if ((--object->flags & OF_BLOCK_REFCOUNT_MASK) == 0) {
OF_ENSURE(
OFSpinlockUnlock(&byrefSpinlocks[hash]) == 0);
OF_ENSURE(OFSpinlockUnlock(&byrefSpinlocks[hash]) == 0);
OFEnsure(OFSpinlockUnlock(&byrefSpinlocks[hash]) == 0);
#endif
break;
}
}
@implementation OFBlock
+ (void)load
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