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--- xnu/xnu-517.3.7/libkern/c++/OSMetaClass.cpp
+++ xnu/xnu-792/libkern/c++/OSMetaClass.cpp
@@ -3,29 +3,25 @@
*
* @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@
*/
/* OSMetaClass.cpp created by gvdl on Fri 1998-11-17 */
#include <string.h>
-#include <sys/systm.h>
#include <libkern/OSReturn.h>
@@ -44,8 +40,8 @@
__BEGIN_DECLS
+#include <sys/systm.h>
#include <mach/mach_types.h>
-#include <mach/etap_events.h>
#include <kern/lock.h>
#include <kern/clock.h>
#include <kern/thread_call.h>
@@ -72,7 +68,7 @@
static const int kClassCapacityIncrement = 40;
static const int kKModCapacityIncrement = 10;
-static OSDictionary *sAllClassesDict, *sKModClassesDict;
+static OSDictionary *sAllClassesDict, *sKModClassesDict, *sSortedByClassesDict;
static mutex_t *loadLock;
static struct StalledData {
@@ -289,8 +285,10 @@
do {
OSCollectionIterator *iter;
- if (sAllClassesDict)
+ if (sAllClassesDict) {
sAllClassesDict->removeObject(className);
+ className->release();
+ }
iter = OSCollectionIterator::withCollection(sKModClassesDict);
if (!iter)
@@ -322,7 +320,6 @@
memmove(&sStalled->classes[i], &sStalled->classes[i+1],
(sStalled->count - i) * sizeof(OSMetaClass *));
}
- return;
}
}
@@ -348,7 +345,7 @@
void *OSMetaClass::preModLoad(const char *kmodName)
{
if (!loadLock) {
- loadLock = mutex_alloc(ETAP_IO_AHA);
+ loadLock = mutex_alloc(0);
mutex_lock(loadLock);
}
else
@@ -384,6 +381,7 @@
{
OSReturn result = kOSReturnSuccess;
OSSet *kmodSet = 0;
+ OSSymbol *myname = 0;
if (!sStalled || loadHandle != sStalled) {
logError(kOSMetaClassInternal);
@@ -400,7 +398,8 @@
case kMakingDictionaries:
sKModClassesDict = OSDictionary::withCapacity(kKModCapacityIncrement);
sAllClassesDict = OSDictionary::withCapacity(kClassCapacityIncrement);
- if (!sAllClassesDict || !sKModClassesDict) {
+ sSortedByClassesDict = OSDictionary::withCapacity(kClassCapacityIncrement);
+ if (!sAllClassesDict || !sKModClassesDict || !sSortedByClassesDict) {
result = kOSMetaClassNoDicts;
break;
}
@@ -409,6 +408,7 @@
case kCompletedBootstrap:
{
unsigned int i;
+ myname = OSSymbol::withCStringNoCopy(sStalled->kmodName);
if (!sStalled->count)
break; // Nothing to do so just get out
@@ -432,19 +432,20 @@
break;
}
- if (!sKModClassesDict->setObject(sStalled->kmodName, kmodSet)) {
+ if (!sKModClassesDict->setObject(myname, kmodSet)) {
result = kOSMetaClassNoInsKModSet;
break;
}
// Second pass symbolling strings and inserting classes in dictionary
- for (unsigned int i = 0; i < sStalled->count; i++) {
+ for (i = 0; i < sStalled->count; i++) {
OSMetaClass *me = sStalled->classes[i];
me->className =
OSSymbol::withCStringNoCopy((const char *) me->className);
sAllClassesDict->setObject(me->className, me);
kmodSet->setObject(me);
+ sSortedByClassesDict->setObject((const OSSymbol *)me, myname);
}
sBootstrapState = kCompletedBootstrap;
break;
@@ -457,6 +458,9 @@
if (kmodSet)
kmodSet->release();
+
+ if (myname)
+ myname->release();
if (sStalled) {
ACCUMSIZE(-(sStalled->capacity * sizeof(OSMetaClass *)
@@ -494,7 +498,7 @@
bool result = false;
if (!loadLock) {
- loadLock = mutex_alloc(ETAP_IO_AHA);
+ loadLock = mutex_alloc(0);
mutex_lock(loadLock);
}
else
@@ -774,6 +778,11 @@
return superClassLink;
}
+const OSSymbol *OSMetaClass::getKmodName() const
+{
+ return sSortedByClassesDict->getObject((const OSSymbol *)this);
+}
+
unsigned int OSMetaClass::getInstanceCount() const
{
return instanceCount;