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#ifdef _WIN32
# include <windows.h>
#endif
#import "OFString.h"
#ifdef OF_ATOMIC_OPS
#if defined(OF_ATOMIC_OPS)
# import "atomic.h"
#else
#elif defined(OF_THREADS)
# import "threading.h"
#endif
/* A few macros to reduce #ifdefs */
#ifdef OF_OLD_GNU_RUNTIME
# define class_getInstanceSize class_get_instance_size
# define class_getName class_get_class_name
# define class_getSuperclass class_get_super_class
#endif
struct pre_ivar {
void **memchunks;
size_t memchunks_size;
int32_t retain_count;
#ifndef OF_ATOMIC_OPS
#if !defined(OF_ATOMIC_OPS) && defined(OF_THREADS)
of_spinlock_t retain_spinlock;
#endif
};
/* Hopefully no arch needs more than 16 bytes padding */
#define PRE_IVAR_ALIGN ((sizeof(struct pre_ivar) + 15) & ~15)
#define PRE_IVAR ((struct pre_ivar*)((char*)self - PRE_IVAR_ALIGN))
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@throw (OFAllocFailedException*)&alloc_failed_exception;
}
((struct pre_ivar*)instance)->memchunks = NULL;
((struct pre_ivar*)instance)->memchunks_size = 0;
((struct pre_ivar*)instance)->retain_count = 1;
#ifndef OF_ATOMIC_OPS
#if !defined(OF_ATOMIC_OPS) && defined(OF_THREADS)
if (!of_spinlock_new(&((struct pre_ivar*)instance)->retain_spinlock)) {
free(instance);
@throw [OFInitializationFailedException newWithClass: self];
}
#endif
instance = (OFObject*)((char*)instance + PRE_IVAR_ALIGN);
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@throw [OFMemoryNotPartOfObjectException newWithClass: isa
pointer: ptr];
}
- retain
{
#ifdef OF_ATOMIC_OPS
#if defined(OF_ATOMIC_OPS)
of_atomic_inc_32(&PRE_IVAR->retain_count);
#else
#elif defined(OF_THREADS)
assert(of_spinlock_lock(&PRE_IVAR->retain_spinlock));
PRE_IVAR->retain_count++;
assert(of_spinlock_unlock(&PRE_IVAR->retain_spinlock));
#else
PRE_IVAR->retain_count++;
#endif
return self;
}
- (size_t)retainCount
{
assert(PRE_IVAR->retain_count >= 0);
return (size_t)PRE_IVAR->retain_count;
}
- (void)release
{
#ifdef OF_ATOMIC_OPS
#if defined(OF_ATOMIC_OPS)
if (of_atomic_dec_32(&PRE_IVAR->retain_count) <= 0)
[self dealloc];
#else
#elif defined(OF_THREADS)
size_t c;
assert(of_spinlock_lock(&PRE_IVAR->retain_spinlock));
c = --PRE_IVAR->retain_count;
assert(of_spinlock_unlock(&PRE_IVAR->retain_spinlock));
if (!c)
[self dealloc];
#else
if (--PRE_IVAR->retain_count <= 0)
[self dealloc];
#endif
}
- autorelease
{
/*
* Cache OFAutoreleasePool since class lookups are expensive with the
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