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*/
#include "config.h"
#import "ObjFWRT.h"
#import "private.h"
#ifdef OF_HAVE_THREADS
# import "OFPlainMutex.h"
# define numSpinlocks 8 /* needs to be a power of 2 */
static OFSpinlock spinlocks[numSpinlocks];
static OF_INLINE size_t
spinlockSlot(id object)
{
return ((size_t)((uintptr_t)object >> 4) & (numSpinlocks - 1));
}
#endif
static struct objc_hashtable *hashtable;
static struct objc_hashtable *hashtables[numSlots];
static OF_INLINE size_t
slotForObject(id object)
{
return ((size_t)((uintptr_t)object >> 4) & (numSlots - 1));
}
static uint32_t
hash(const void *object)
{
return (uint32_t)(uintptr_t)object;
}
static bool
equal(const void *object1, const void *object2)
{
return (object1 == object2);
}
OF_CONSTRUCTOR()
{
for (size_t i = 0; i < numSlots; i++) {
hashtable = objc_hashtable_new(hash, equal, 2);
hashtables[i] = objc_hashtable_new(hash, equal, 2);
for (size_t i = 0; i < numSpinlocks; i++)
#ifdef OF_HAVE_THREADS
#endif
#ifdef OF_HAVE_THREADS
slot = spinlockSlot(object);
objectHashtable = objc_hashtable_get(hashtable, object);
objectHashtable = objc_hashtable_get(hashtables[slot], object);
if (objectHashtable == NULL) {
objectHashtable = objc_hashtable_new(hash, equal, 2);
objc_hashtable_set(hashtable, object, objectHashtable);
objc_hashtable_set(hashtables[slot], object,
objectHashtable);
}
association = objc_hashtable_get(objectHashtable, key);
if (association != NULL) {
switch (association->policy) {
case OBJC_ASSOCIATION_RETAIN:
case OBJC_ASSOCIATION_RETAIN_NONATOMIC:
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}
#endif
}
id
objc_getAssociatedObject(id object, const void *key)
{
#ifdef OF_HAVE_THREADS
size_t slot = spinlockSlot(object);
objectHashtable = objc_hashtable_get(hashtable, object);
objectHashtable = objc_hashtable_get(hashtables[slot], object);
if (objectHashtable == NULL)
return nil;
association = objc_hashtable_get(objectHashtable, key);
if (association == NULL)
return nil;
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}
#endif
}
void
objc_removeAssociatedObjects(id object)
{
#ifdef OF_HAVE_THREADS
size_t slot = spinlockSlot(object);
objectHashtable = objc_hashtable_get(hashtable, object);
objectHashtable = objc_hashtable_get(hashtables[slot], object);
if (objectHashtable == NULL)
return;
for (uint32_t i = 0; i < objectHashtable->size; i++) {
struct Association *association;
if (objectHashtable->data[i] == NULL ||
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default:
break;
}
free(association);
}
objc_hashtable_delete(hashtable, object);
objc_hashtable_delete(hashtables[slot], object);
objc_hashtable_free(objectHashtable);
#ifdef OF_HAVE_THREADS
} @finally {
if (OFSpinlockUnlock(&spinlocks[slot]) != 0)
OBJC_ERROR("Failed to unlock spinlock!");
}
#endif
}
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