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struct class _NSConcreteGlobalBlock_metaclass;
struct class _NSConcreteMallocBlock_metaclass;
# endif
#endif
static struct {
Class isa;
} alloc_failed_exception;
#ifndef OF_HAVE_ATOMIC_OPS
# define numSpinlocks 8 /* needs to be a power of 2 */
# define SPINLOCK_HASH(p) ((uintptr_t)p >> 4) & (numSpinlocks - 1)
static OFSpinlock blockSpinlocks[numSpinlocks];
static OFSpinlock byrefSpinlocks[numSpinlocks];
#endif
void *
_Block_copy(const void *block_)
{
struct Block *block = (struct Block *)block_;
if ([(id)block isMemberOfClass: (Class)&_NSConcreteStackBlock]) {
struct Block *copy;
if ((copy = malloc(block->descriptor->size)) == NULL) {
alloc_failed_exception.isa =
[OFAllocFailedException class];
@throw (OFAllocFailedException *)
&alloc_failed_exception;
}
memcpy(copy, block, block->descriptor->size);
object_setClass((id)copy, (Class)&_NSConcreteMallocBlock);
copy->flags++;
if (block->flags & OFBlockHasCopyDispose)
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struct class _NSConcreteGlobalBlock_metaclass;
struct class _NSConcreteMallocBlock_metaclass;
# endif
#endif
static struct {
Class isa;
} allocFailedException;
#ifndef OF_HAVE_ATOMIC_OPS
# define numSpinlocks 8 /* needs to be a power of 2 */
# define SPINLOCK_HASH(p) ((uintptr_t)p >> 4) & (numSpinlocks - 1)
static OFSpinlock blockSpinlocks[numSpinlocks];
static OFSpinlock byrefSpinlocks[numSpinlocks];
#endif
void *
_Block_copy(const void *block_)
{
struct Block *block = (struct Block *)block_;
if ([(id)block isMemberOfClass: (Class)&_NSConcreteStackBlock]) {
struct Block *copy;
if ((copy = malloc(block->descriptor->size)) == NULL) {
object_setClass((id)&allocFailedException,
[OFAllocFailedException class]);
@throw (OFAllocFailedException *)&allocFailedException;
}
memcpy(copy, block, block->descriptor->size);
object_setClass((id)copy, (Class)&_NSConcreteMallocBlock);
copy->flags++;
if (block->flags & OFBlockHasCopyDispose)
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struct Byref *src = (struct Byref *)src_;
struct Byref **dst = (struct Byref **)dst_;
src = src->forwarding;
if ((src->flags & OFBlockRefCountMask) == 0) {
if ((*dst = malloc(src->size)) == NULL) {
alloc_failed_exception.isa =
[OFAllocFailedException class];
@throw (OFAllocFailedException *)
&alloc_failed_exception;
}
memcpy(*dst, src, src->size);
(*dst)->flags =
((*dst)->flags & ~OFBlockRefCountMask) | 1;
(*dst)->forwarding = *dst;
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struct Byref *src = (struct Byref *)src_;
struct Byref **dst = (struct Byref **)dst_;
src = src->forwarding;
if ((src->flags & OFBlockRefCountMask) == 0) {
if ((*dst = malloc(src->size)) == NULL) {
object_setClass((id)&allocFailedException,
[OFAllocFailedException class]);
@throw (OFAllocFailedException *)
&allocFailedException;
}
memcpy(*dst, src, src->size);
(*dst)->flags =
((*dst)->flags & ~OFBlockRefCountMask) | 1;
(*dst)->forwarding = *dst;
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