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#include <stdio.h>
#include <stdlib.h>
#import "OFObject.h"
#import "OFSystemInfo.h"
#ifndef OF_COMPILER_TLS
#if !defined(OF_COMPILER_TLS) && defined(OF_THREADS)
# import "threading.h"
#endif
#import "macros.h"
#import "autorelease.h"
#ifdef OF_COMPILER_TLS
#if defined(OF_COMPILER_TLS)
static __thread id *objects = NULL;
static __thread id *top = NULL;
static __thread size_t size = 0;
#elif defined(OF_THREADS)
static of_tlskey_t objectsKey, topKey, sizeKey;
#else
static id *objects = NULL;
static of_tlskey_t objectsKey, topKey, sizeKey;
static id *top = NULL;
static size_t size = 0;
#endif
#if !defined(OF_COMPILER_TLS) && defined(OF_THREADS)
static void __attribute__((constructor))
init(void)
{
OF_ENSURE(of_tlskey_new(&objectsKey));
OF_ENSURE(of_tlskey_new(&topKey));
OF_ENSURE(of_tlskey_new(&sizeKey));
}
#endif
void*
objc_autoreleasePoolPush()
{
#ifndef OF_COMPILER_TLS
#if !defined(OF_COMPILER_TLS) && defined(OF_THREADS)
id *top = of_tlskey_get(topKey);
id *objects = of_tlskey_get(objectsKey);
#endif
ptrdiff_t offset = top - objects;
return (void*)offset;
}
void
objc_autoreleasePoolPop(void *offset)
{
#ifndef OF_COMPILER_TLS
#if !defined(OF_COMPILER_TLS) && defined(OF_THREADS)
id *top = of_tlskey_get(topKey);
id *objects = of_tlskey_get(objectsKey);
#endif
id *pool = objects + (ptrdiff_t)offset;
id *iter;
for (iter = pool; iter < top; iter++)
[*iter release];
top = pool;
if (top == objects) {
free(objects);
objects = NULL;
top = NULL;
}
#ifndef OF_COMPILER_TLS
#if !defined(OF_COMPILER_TLS) && defined(OF_THREADS)
OF_ENSURE(of_tlskey_set(topKey, top));
OF_ENSURE(of_tlskey_set(objectsKey, objects));
#endif
}
id
_objc_rootAutorelease(id object)
{
#ifndef OF_COMPILER_TLS
#if !defined(OF_COMPILER_TLS) && defined(OF_THREADS)
id *top = of_tlskey_get(topKey);
id *objects = of_tlskey_get(objectsKey);
size_t size = (size_t)(uintptr_t)of_tlskey_get(sizeKey);
#endif
if (objects == NULL) {
size = [OFSystemInfo pageSize];
OF_ENSURE((objects = malloc(size)) != NULL);
top = objects;
#ifndef OF_COMPILER_TLS
#if !defined(OF_COMPILER_TLS) && defined(OF_THREADS)
OF_ENSURE(of_tlskey_set(objectsKey, objects));
OF_ENSURE(of_tlskey_set(sizeKey, (void*)(uintptr_t)size));
#endif
}
if ((uintptr_t)top >= (uintptr_t)objects + size) {
ptrdiff_t diff = top - objects;
size += [OFSystemInfo pageSize];
OF_ENSURE((objects = realloc(objects, size)) != NULL);
#ifndef OF_COMPILER_TLS
#if !defined(OF_COMPILER_TLS) && defined(OF_THREADS)
OF_ENSURE(of_tlskey_set(objectsKey, objects));
OF_ENSURE(of_tlskey_set(sizeKey, (void*)(uintptr_t)size));
#endif
top = objects + diff;
}
*top = object;
top++;
#ifndef OF_COMPILER_TLS
#if !defined(OF_COMPILER_TLS) && defined(OF_THREADS)
OF_ENSURE(of_tlskey_set(topKey, top));
#endif
return object;
}
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