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--- xnu/xnu-344.49/libkern/c++/OSOrderedSet.cpp
+++ xnu/xnu-792.24.17/libkern/c++/OSOrderedSet.cpp
@@ -3,26 +3,24 @@
*
* @APPLE_LICENSE_HEADER_START@
*
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License"). You may not use this file except in compliance with the
+ * License. Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
*
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * This Original Code and all software distributed under the License are
+ * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
+#include <libkern/c++/OSDictionary.h>
#include <libkern/c++/OSOrderedSet.h>
#include <libkern/c++/OSLib.h>
@@ -52,6 +50,8 @@
// unsigned int pri;
};
+#define EXT_CAST(obj) \
+ reinterpret_cast<OSObject *>(const_cast<OSMetaClassBase *>(obj))
bool OSOrderedSet::
initWithCapacity(unsigned int inCapacity,
@@ -86,7 +86,7 @@
OSOrderedSet *me = new OSOrderedSet;
if (me && !me->initWithCapacity(capacity, ordering, orderingRef)) {
- me->free();
+ me->release();
me = 0;
}
@@ -95,6 +95,7 @@
void OSOrderedSet::free()
{
+ (void) super::setOptions(0, kImmutable);
flushCollection();
if (array) {
@@ -222,15 +223,14 @@
if( deleted)
array[i-1] = array[i];
else if( (array[i].obj == anObject)) {
+ deleted = true;
+ haveUpdated(); // Pity we can't flush the log
array[i].obj->taggedRelease(OSTypeID(OSCollection));
- deleted = true;
}
}
- if( deleted) {
- count--;
- haveUpdated();
- }
+ if (deleted)
+ count--;
}
bool OSOrderedSet::containsObject(const OSMetaClassBase *anObject) const
@@ -343,3 +343,78 @@
return (*ret != 0);
}
+
+unsigned OSOrderedSet::setOptions(unsigned options, unsigned mask, void *)
+{
+ unsigned old = super::setOptions(options, mask);
+ if ((old ^ options) & mask) {
+
+ // Value changed need to recurse over all of the child collections
+ for ( unsigned i = 0; i < count; i++ ) {
+ OSCollection *coll = OSDynamicCast(OSCollection, array[i].obj);
+ if (coll)
+ coll->setOptions(options, mask);
+ }
+ }
+
+ return old;
+}
+
+OSCollection * OSOrderedSet::copyCollection(OSDictionary *cycleDict)
+{
+ bool allocDict = !cycleDict;
+ OSCollection *ret = 0;
+ OSOrderedSet *newSet = 0;
+
+ if (allocDict) {
+ cycleDict = OSDictionary::withCapacity(16);
+ if (!cycleDict)
+ return 0;
+ }
+
+ do {
+ // Check for a cycle
+ ret = super::copyCollection(cycleDict);
+ if (ret)
+ continue;
+
+ // Duplicate the set with no contents
+ newSet = OSOrderedSet::withCapacity(capacity, ordering, orderingRef);
+ if (!newSet)
+ continue;
+
+ // Insert object into cycle Dictionary
+ cycleDict->setObject((const OSSymbol *) this, newSet);
+
+ newSet->capacityIncrement = capacityIncrement;
+
+ // Now copy over the contents to the new duplicate
+ for (unsigned int i = 0; i < count; i++) {
+ OSObject *obj = EXT_CAST(array[i].obj);
+ OSCollection *coll = OSDynamicCast(OSCollection, obj);
+ if (coll) {
+ OSCollection *newColl = coll->copyCollection(cycleDict);
+ if (newColl) {
+ obj = newColl; // Rely on cycleDict ref for a bit
+ newColl->release();
+ }
+ else
+ goto abortCopy;
+ };
+ newSet->setLastObject(obj);
+ };
+
+ ret = newSet;
+ newSet = 0;
+
+ } while (false);
+
+abortCopy:
+ if (newSet)
+ newSet->release();
+
+ if (allocDict)
+ cycleDict->release();
+
+ return ret;
+}