/*
* 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
extern id _objc_rootAutorelease(id);
extern void* objc_autoreleasePoolPush(void);
extern void objc_autoreleasePoolPop(void*);
#ifdef OF_COMPILER_TLS
static __thread void *first = NULL;
#else
static of_tlskey_t firstKey;
#endif
@implementation OFAutoreleasePool
#ifndef OF_COMPILER_TLS
+ (void)initialize
{
if (self != [OFAutoreleasePool class])
return;
if (!of_tlskey_new(&firstKey))
@throw [OFInitializationFailedException
exceptionWithClass: self];
}
#endif
+ (id)addObject: (id)object
{
#ifndef OF_COMPILER_TLS
void *first = of_tlskey_get(firstKey);
#endif
if (first == NULL)
[[OFAutoreleasePool alloc] init];
return _objc_rootAutorelease(object);
}
+ (void)_releaseAll
{
#ifndef OF_COMPILER_TLS
void *first = of_tlskey_get(firstKey);
#endif
objc_autoreleasePoolPop(first);
}
- init
{
self = [super init];
@try {
#ifndef OF_COMPILER_TLS
void *first = of_tlskey_get(firstKey);
#endif
pool = objc_autoreleasePoolPush();
if (first == NULL)
#ifdef OF_COMPILER_TLS
first = pool;
#else
OF_ENSURE(of_tlskey_set(firstKey, pool));
#endif
_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
{
if (ignoreRelease)
return;
ignoreRelease = YES;
#ifdef OF_COMPILER_TLS
if (first == pool)
first = NULL;
#else
if (of_tlskey_get(firstKey) == pool)
OF_ENSURE(of_tlskey_set(firstKey, NULL));
#endif
objc_autoreleasePoolPop(pool);
[super dealloc];
}
- retain
{
@throw [OFNotImplementedException exceptionWithClass: [self class]
selector: _cmd];
}
- autorelease
{
@throw [OFNotImplementedException exceptionWithClass: [self class]
selector: _cmd];
}
@end