--- xnu/xnu-792/libkern/c++/OSCollection.cpp
+++ xnu/xnu-6153.121.1/libkern/c++/OSCollection.cpp
@@ -1,23 +1,29 @@
 /*
  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * 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 Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ *
+ * 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. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * 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
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * 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@
+ * 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.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /* IOArray.h created by rsulack on Thu 11-Sep-1997 */
 
@@ -42,49 +48,98 @@
 OSMetaClassDefineReservedUnused(OSCollection, 6);
 OSMetaClassDefineReservedUnused(OSCollection, 7);
 
-bool OSCollection::init()
+bool
+OSCollection::init()
 {
-    if (!super::init())
-        return false;
+	if (!super::init()) {
+		return false;
+	}
 
-    updateStamp = 0;
+	updateStamp = 0;
 
-    return true;
+	return true;
 }
 
-void OSCollection::haveUpdated()
+void
+OSCollection::haveUpdated()
 {
-    if ( (gIOKitDebug & kOSLogRegistryMods) && (fOptions & kImmutable) )
-	OSReportWithBacktrace("Trying to change a collection in the registry");
-
-    updateStamp++;
+	if (fOptions & kImmutable) {
+		if (!(gIOKitDebug & kOSRegistryModsMode)) {
+			panic("Trying to change a collection in the registry");
+		} else {
+			OSReportWithBacktrace("Trying to change a collection in the registry");
+		}
+	}
+	updateStamp++;
 }
 
-unsigned OSCollection::setOptions(unsigned options, unsigned mask, void *)
+unsigned
+OSCollection::setOptions(unsigned options, unsigned mask, void *)
 {
-    unsigned old = fOptions;
+	unsigned old = fOptions;
 
-    if (mask)
-	fOptions = (old & ~mask) | (options & mask);
+	if (mask) {
+		fOptions = (old & ~mask) | (options & mask);
+	}
 
-    return old;
+	return old;
 }
 
-OSCollection *  OSCollection::copyCollection(OSDictionary *cycleDict)
+OSCollection *
+OSCollection::copyCollection(OSDictionary *cycleDict)
 {
-    if (cycleDict) {
-	OSObject *obj = cycleDict->getObject((const OSSymbol *) this);
-	if (obj)
-	    obj->retain();
+	if (cycleDict) {
+		OSObject *obj = cycleDict->getObject((const OSSymbol *) this);
+		if (obj) {
+			obj->retain();
+		}
 
-	return reinterpret_cast<OSCollection *>(obj);
-    }
-    else {
-	// If we are here it means that there is a collection subclass that
-	// hasn't overridden the copyCollection method.  In which case just
-	// return a reference to ourselves.  
-	// Hopefully this collection will not be inserted into the registry
-	retain();
-	return this;
-    }
+		return reinterpret_cast<OSCollection *>(obj);
+	} else {
+		// If we are here it means that there is a collection subclass that
+		// hasn't overridden the copyCollection method.  In which case just
+		// return a reference to ourselves.
+		// Hopefully this collection will not be inserted into the registry
+		retain();
+		return this;
+	}
 }
+
+bool
+OSCollection::iterateObjects(void * refcon, bool (*callback)(void * refcon, OSObject * object))
+{
+	uint64_t     iteratorStore[2];
+	unsigned int initialUpdateStamp;
+	bool         done;
+
+	assert(iteratorSize() < sizeof(iteratorStore));
+
+	if (!initIterator(&iteratorStore[0])) {
+		return false;
+	}
+
+	initialUpdateStamp = updateStamp;
+	done = false;
+	do{
+		OSObject * object;
+		if (!getNextObjectForIterator(&iteratorStore[0], &object)) {
+			break;
+		}
+		done = callback(refcon, object);
+	}while (!done && (initialUpdateStamp == updateStamp));
+
+	return initialUpdateStamp == updateStamp;
+}
+
+static bool
+OSCollectionIterateObjectsBlock(void * refcon, OSObject * object)
+{
+	bool (^block)(OSObject * object) = (typeof(block))refcon;
+	return block(object);
+}
+
+bool
+OSCollection::iterateObjects(bool (^block)(OSObject * object))
+{
+	return iterateObjects((void *) block, OSCollectionIterateObjectsBlock);
+}