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/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012
* Jonathan Schleifer <js@webkeks.org>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#include <stdlib.h>
#import "OFAutoreleasePool.h"
#import "OFArray.h"
#import "OFNotImplementedException.h"
#import "macros.h"
#ifndef OF_COMPILER_TLS
# import "threading.h"
# import "OFInitializationFailedException.h"
#endif
#import "autorelease.h"
#define MAX_CACHE_SIZE 0x20
#ifdef OF_COMPILER_TLS
static __thread OFAutoreleasePool **cache = NULL;
#else
static of_tlskey_t cacheKey;
#endif
@implementation OFAutoreleasePool
#ifndef OF_COMPILER_TLS
+ (void)initialize
{
if (self != [OFAutoreleasePool class])
return;
if (!of_tlskey_new(&cacheKey))
@throw [OFInitializationFailedException
exceptionWithClass: self];
}
#endif
+ alloc
{
#ifndef OF_COMPILER_TLS
OFAutoreleasePool **cache = of_tlskey_get(cacheKey);
#endif
if (cache != NULL) {
unsigned i;
for (i = 0; i < MAX_CACHE_SIZE; i++) {
if (cache[i] != NULL) {
OFAutoreleasePool *pool = cache[i];
cache[i] = NULL;
return pool;
}
}
}
return [super alloc];
}
+ (id)addObject: (id)object
{
return _objc_rootAutorelease(object);
}
- init
{
self = [super init];
@try {
pool = objc_autoreleasePoolPush();
_objc_rootAutorelease(self);
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)releaseObjects
{
ignoreRelease = YES;
objc_autoreleasePoolPop(pool);
pool = objc_autoreleasePoolPush();
_objc_rootAutorelease(self);
ignoreRelease = NO;
}
- (void)release
{
[self dealloc];
}
- (void)drain
{
[self dealloc];
}
- (void)dealloc
{
#ifndef OF_COMPILER_TLS
OFAutoreleasePool **cache = of_tlskey_get(cacheKey);
#endif
if (ignoreRelease)
return;
ignoreRelease = YES;
objc_autoreleasePoolPop(pool);
if (cache == NULL) {
cache = calloc(sizeof(OFAutoreleasePool*), MAX_CACHE_SIZE);
#ifndef OF_COMPILER_TLS
if (!of_tlskey_set(cacheKey, cache)) {
free(cache);
cache = NULL;
}
#endif
}
if (cache != NULL) {
unsigned i;
for (i = 0; i < MAX_CACHE_SIZE; i++) {
if (cache[i] == NULL) {
pool = NULL;
ignoreRelease = NO;
cache[i] = self;
return;
}
}
}
[super dealloc];
}
- retain
{
@throw [OFNotImplementedException exceptionWithClass: [self class]
selector: _cmd];
}
- autorelease
{
@throw [OFNotImplementedException exceptionWithClass: [self class]
selector: _cmd];
}
@end
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