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--- xnu/xnu-1228/libkern/c++/OSMetaClass.cpp
+++ xnu/xnu-517.3.15/libkern/c++/OSMetaClass.cpp
@@ -1,19 +1,16 @@
/*
- * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
*
* 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.
+ * 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
@@ -23,11 +20,12 @@
* Please see the License for the specific language governing rights and
* limitations under the License.
*
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ * @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>
@@ -44,13 +42,10 @@
#include <libkern/c++/OSLib.h>
#include <libkern/OSAtomic.h>
-#include <IOKit/pwr_mgt/RootDomain.h>
-#include <IOKit/IOMessage.h>
-
__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>
@@ -77,9 +72,9 @@
static const int kClassCapacityIncrement = 40;
static const int kKModCapacityIncrement = 10;
-static OSDictionary *sAllClassesDict, *sKModClassesDict, *sSortedByClassesDict;
-
-static mutex_t *loadLock = 0;
+static OSDictionary *sAllClassesDict, *sKModClassesDict;
+
+static mutex_t *loadLock;
static struct StalledData {
const char *kmodName;
OSReturn result;
@@ -89,8 +84,6 @@
} *sStalled;
static unsigned int sConsiderUnloadDelay = 60; /* secs */
-static bool unloadsEnabled = true; // set to false when system going to sleep
-static thread_call_t unloadCallout = 0;
static const char OSMetaClassBasePanicMsg[] =
"OSMetaClassBase::_RESERVEDOSMetaClassBase%d called\n";
@@ -283,7 +276,7 @@
sStalled->capacity += kKModCapacityIncrement;
memmove(sStalled->classes, oldStalled, oldSize);
- kfree(oldStalled, oldSize);
+ kfree((vm_offset_t)oldStalled, oldSize);
ACCUMSIZE(newSize - oldSize);
}
@@ -296,10 +289,8 @@
do {
OSCollectionIterator *iter;
- if (sAllClassesDict) {
+ if (sAllClassesDict)
sAllClassesDict->removeObject(className);
- className->release();
- }
iter = OSCollectionIterator::withCollection(sKModClassesDict);
if (!iter)
@@ -331,16 +322,17 @@
memmove(&sStalled->classes[i], &sStalled->classes[i+1],
(sStalled->count - i) * sizeof(OSMetaClass *));
}
- }
-}
-
-void *OSMetaClass::operator new(__unused size_t size) { return 0; }
+ return;
+ }
+}
+
+void *OSMetaClass::operator new(size_t size) { return 0; }
void OSMetaClass::retain() const { }
void OSMetaClass::release() const { }
-void OSMetaClass::release(__unused int when) const { }
-void OSMetaClass::taggedRetain(__unused const void *tag) const { }
-void OSMetaClass::taggedRelease(__unused const void *tag) const { }
-void OSMetaClass::taggedRelease(__unused const void *tag, __unused const int when) const { }
+void OSMetaClass::release(int when) const { }
+void OSMetaClass::taggedRetain(const void *tag) const { }
+void OSMetaClass::taggedRelease(const void *tag) const { }
+void OSMetaClass::taggedRelease(const void *tag, const int when) const { }
int OSMetaClass::getRetainCount() const { return 0; }
const char *OSMetaClass::getClassName() const
@@ -356,7 +348,7 @@
void *OSMetaClass::preModLoad(const char *kmodName)
{
if (!loadLock) {
- loadLock = mutex_alloc(0);
+ loadLock = mutex_alloc(ETAP_IO_AHA);
mutex_lock(loadLock);
}
else
@@ -367,7 +359,7 @@
sStalled->classes = (OSMetaClass **)
kalloc(kKModCapacityIncrement * sizeof(OSMetaClass *));
if (!sStalled->classes) {
- kfree(sStalled, sizeof(*sStalled));
+ kfree((vm_offset_t) sStalled, sizeof(*sStalled));
return 0;
}
ACCUMSIZE((kKModCapacityIncrement * sizeof(OSMetaClass *)) + sizeof(*sStalled));
@@ -392,7 +384,6 @@
{
OSReturn result = kOSReturnSuccess;
OSSet *kmodSet = 0;
- OSSymbol *myname = 0;
if (!sStalled || loadHandle != sStalled) {
logError(kOSMetaClassInternal);
@@ -409,8 +400,7 @@
case kMakingDictionaries:
sKModClassesDict = OSDictionary::withCapacity(kKModCapacityIncrement);
sAllClassesDict = OSDictionary::withCapacity(kClassCapacityIncrement);
- sSortedByClassesDict = OSDictionary::withCapacity(kClassCapacityIncrement);
- if (!sAllClassesDict || !sKModClassesDict || !sSortedByClassesDict) {
+ if (!sAllClassesDict || !sKModClassesDict) {
result = kOSMetaClassNoDicts;
break;
}
@@ -419,7 +409,6 @@
case kCompletedBootstrap:
{
unsigned int i;
- myname = (OSSymbol *)OSSymbol::withCStringNoCopy(sStalled->kmodName);
if (!sStalled->count)
break; // Nothing to do so just get out
@@ -443,20 +432,19 @@
break;
}
- if (!sKModClassesDict->setObject(myname, kmodSet)) {
+ if (!sKModClassesDict->setObject(sStalled->kmodName, kmodSet)) {
result = kOSMetaClassNoInsKModSet;
break;
}
// Second pass symbolling strings and inserting classes in dictionary
- for (i = 0; i < sStalled->count; i++) {
+ for (unsigned int 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;
@@ -470,15 +458,12 @@
if (kmodSet)
kmodSet->release();
- if (myname)
- myname->release();
-
if (sStalled) {
ACCUMSIZE(-(sStalled->capacity * sizeof(OSMetaClass *)
+ sizeof(*sStalled)));
- kfree(sStalled->classes,
+ kfree((vm_offset_t) sStalled->classes,
sStalled->capacity * sizeof(OSMetaClass *));
- kfree(sStalled, sizeof(*sStalled));
+ kfree((vm_offset_t) sStalled, sizeof(*sStalled));
sStalled = 0;
}
@@ -509,7 +494,7 @@
bool result = false;
if (!loadLock) {
- loadLock = mutex_alloc(0);
+ loadLock = mutex_alloc(ETAP_IO_AHA);
mutex_lock(loadLock);
}
else
@@ -569,38 +554,10 @@
iter->release();
}
-
-extern "C" {
-
-IOReturn OSMetaClassSystemSleepOrWake(UInt32 messageType)
-{
- mutex_lock(loadLock);
-
- /* If the system is going to sleep, cancel the reaper thread timer
- * and mark unloads disabled in case it just fired but hasn't
- * taken the lock yet. If we are coming back from sleep, just
- * set unloads enabled; IOService's normal operation will cause
- * unloads to be considered soon enough.
- */
- if (messageType == kIOMessageSystemWillSleep) {
- if (unloadCallout) {
- thread_call_cancel(unloadCallout);
- }
- unloadsEnabled = false;
- } else if (messageType == kIOMessageSystemHasPoweredOn) {
- unloadsEnabled = true;
- }
- mutex_unlock(loadLock);
-
- return kIOReturnSuccess;
-}
-
-};
-
extern "C" kern_return_t kmod_unload_cache(void);
-static void _OSMetaClassConsiderUnloads(__unused thread_call_param_t p0,
- __unused thread_call_param_t p1)
+static void _OSMetaClassConsiderUnloads(thread_call_param_t p0,
+ thread_call_param_t p1)
{
OSSet *kmodClasses;
OSSymbol *kmodName;
@@ -613,11 +570,6 @@
mutex_lock(loadLock);
- if (!unloadsEnabled) {
- mutex_unlock(loadLock);
- return;
- }
-
do {
kmods = OSCollectionIterator::withCollection(sKModClassesDict);
@@ -628,7 +580,7 @@
while ( (kmodName = (OSSymbol *) kmods->getNextObject()) ) {
if (ki) {
- kfree(ki, sizeof(kmod_info_t));
+ kfree((vm_offset_t) ki, sizeof(kmod_info_t));
ki = 0;
}
@@ -670,6 +622,7 @@
void OSMetaClass::considerUnloads()
{
+ static thread_call_t unloadCallout;
AbsoluteTime when;
mutex_lock(loadLock);
@@ -821,11 +774,6 @@
return superClassLink;
}
-const OSSymbol *OSMetaClass::getKmodName() const
-{
- return (const OSSymbol *)sSortedByClassesDict->getObject((OSSymbol *)this);
-}
-
unsigned int OSMetaClass::getInstanceCount() const
{
return instanceCount;
@@ -861,7 +809,7 @@
return 0;
}
-bool OSMetaClass::serialize(__unused OSSerialize *s) const
+bool OSMetaClass::serialize(OSSerialize *s) const
{
panic("OSMetaClass::serialize(): Obsoleted\n");
return false;