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#endif
#ifdef OF_HAVE_THREADS
OF_CONSTRUCTOR()
{
for (size_t i = 0; i < numSpinlocks; i++)
if (OFSpinlockNew(&spinlocks[i]) != 0)
OBJC_ERROR("Failed to initialize spinlocks!");
OBJC_ERROR("Failed to create spinlocks!");
}
#endif
id
objc_getProperty(id self, SEL _cmd, ptrdiff_t offset, bool atomic)
{
if (atomic) {
id *ptr = (id *)(void *)((char *)self + offset);
#ifdef OF_HAVE_THREADS
size_t slot = spinlockSlot(ptr);
OFEnsure(OFSpinlockLock(&spinlocks[slot]) == 0);
if (OFSpinlockLock(&spinlocks[slot]) != 0)
OBJC_ERROR("Failed to lock spinlock!");
@try {
return [[*ptr retain] autorelease];
} @finally {
OFEnsure(OFSpinlockUnlock(&spinlocks[slot]) == 0);
if (OFSpinlockUnlock(&spinlocks[slot]) != 0)
OBJC_ERROR("Failed to unlock spinlock!");
}
#else
return [[*ptr retain] autorelease];
#endif
}
return *(id *)(void *)((char *)self + offset);
}
void
objc_setProperty(id self, SEL _cmd, ptrdiff_t offset, id value, bool atomic,
signed char copy)
{
if (atomic) {
id *ptr = (id *)(void *)((char *)self + offset);
#ifdef OF_HAVE_THREADS
size_t slot = spinlockSlot(ptr);
OFEnsure(OFSpinlockLock(&spinlocks[slot]) == 0);
if (OFSpinlockLock(&spinlocks[slot]) != 0)
OBJC_ERROR("Failed to lock spinlock!");
@try {
#endif
id old = *ptr;
switch (copy) {
case 0:
*ptr = [value retain];
break;
case 2:
*ptr = [value mutableCopy];
break;
default:
*ptr = [value copy];
}
[old release];
#ifdef OF_HAVE_THREADS
} @finally {
OFEnsure(OFSpinlockUnlock(&spinlocks[slot]) == 0);
if (OFSpinlockUnlock(&spinlocks[slot]) != 0)
OBJC_ERROR("Failed to unlock spinlock!");
}
#endif
return;
}
id *ptr = (id *)(void *)((char *)self + offset);
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objc_getPropertyStruct(void *dest, const void *src, ptrdiff_t size, bool atomic,
bool strong)
{
if (atomic) {
#ifdef OF_HAVE_THREADS
size_t slot = spinlockSlot(src);
OFEnsure(OFSpinlockLock(&spinlocks[slot]) == 0);
if (OFSpinlockLock(&spinlocks[slot]) != 0)
OBJC_ERROR("Failed to lock spinlock!");
#endif
memcpy(dest, src, size);
#ifdef OF_HAVE_THREADS
OFEnsure(OFSpinlockUnlock(&spinlocks[slot]) == 0);
if (OFSpinlockUnlock(&spinlocks[slot]) != 0)
OBJC_ERROR("Failed to unlock spinlock!");
#endif
return;
}
memcpy(dest, src, size);
}
void
objc_setPropertyStruct(void *dest, const void *src, ptrdiff_t size, bool atomic,
bool strong)
{
if (atomic) {
#ifdef OF_HAVE_THREADS
size_t slot = spinlockSlot(src);
OFEnsure(OFSpinlockLock(&spinlocks[slot]) == 0);
if (OFSpinlockLock(&spinlocks[slot]) != 0)
OBJC_ERROR("Failed to lock spinlock!");
#endif
memcpy(dest, src, size);
#ifdef OF_HAVE_THREADS
OFEnsure(OFSpinlockUnlock(&spinlocks[slot]) == 0);
if (OFSpinlockUnlock(&spinlocks[slot]) != 0)
OBJC_ERROR("Failed to unlock spinlock!");
#endif
return;
}
memcpy(dest, src, size);
}
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if (properties == NULL)
OBJC_ERROR("Not enough memory to copy properties");
i = 0;
for (iter = class->propertyList; iter != NULL; iter = iter->next)
for (unsigned int j = 0; j < iter->count; j++)
properties[i++] = &iter->properties[j];
OFEnsure(i == count);
if (i != count)
OBJC_ERROR("Fatal internal inconsistency!");
properties[count] = NULL;
if (outCount != NULL)
*outCount = count;
objc_globalMutex_unlock();
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BOOL_CASE('D', extendedAttributes, OBJC_PROPERTY_DYNAMIC)
BOOL_CASE('W', extendedAttributes, OBJC_PROPERTY_WEAK)
#undef BOOL_CASE
}
if (nullIsError && ret == NULL)
OBJC_ERROR("Not enough memory to copy property attribute "
"value");
"value!");
return ret;
}
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