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/*
* Copyright (c) 2008 - 2009
* 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 included in
* the packaging of this file.
*/
#include "config.h"
#include <assert.h>
#import <objc/objc.h>
#import "OFExceptions.h"
#ifdef OF_THREADS
#import "threading.h"
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objc_getProperty(id self, SEL _cmd, ptrdiff_t offset, BOOL atomic)
{
if (atomic) {
id *ptr = (id*)((char*)self + offset);
#ifdef OF_THREADS
unsigned hash = SPINLOCK_HASH(ptr);
of_spinlock_lock(&spinlocks[hash]);
assert(of_spinlock_lock(&spinlocks[hash]));
@try {
return [[*ptr retain] autorelease];
} @finally {
of_spinlock_unlock(&spinlocks[hash]);
assert(of_spinlock_unlock(&spinlocks[hash]));
}
#else
return [[*ptr retain] autorelease];
#endif
}
return *(id*)((char*)self + offset);
}
void
objc_setProperty(id self, SEL _cmd, ptrdiff_t offset, id value, BOOL atomic,
BOOL copy)
{
if (atomic) {
id *ptr = (id*)((char*)self + offset);
#ifdef OF_THREADS
unsigned hash = SPINLOCK_HASH(ptr);
of_spinlock_lock(&spinlocks[hash]);
assert(of_spinlock_lock(&spinlocks[hash]));
@try {
#endif
id old = *ptr;
switch (copy) {
case 0:
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default:
*ptr = [value copy];
}
[old release];
#ifdef OF_THREADS
} @finally {
of_spinlock_unlock(&spinlocks[hash]);
assert(of_spinlock_unlock(&spinlocks[hash]));
}
#endif
return;
}
id *ptr = (id*)((char*)self + offset);
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