--- /dev/null
+++ xnu/xnu-517.3.15/iokit/Kernel/RootDomainUserClient.cpp
@@ -0,0 +1,109 @@
+/*
+ * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
+ *
+ * @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. 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+/*
+ * Copyright (c) 1999 Apple Computer, Inc.  All rights reserved.
+ *
+ */
+
+#include <IOKit/assert.h>
+#include <IOKit/IOLib.h>
+#include <IOKit/IOBufferMemoryDescriptor.h>
+#include "RootDomainUserClient.h"
+#include <IOKit/pwr_mgt/IOPMLibDefs.h>
+
+#define super IOUserClient
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+OSDefineMetaClassAndStructors(RootDomainUserClient, IOUserClient)
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+bool RootDomainUserClient::start( IOService * provider )
+{
+    assert(OSDynamicCast(IOPMrootDomain, provider));
+    if(!super::start(provider))
+        return false;
+    fOwner = (IOPMrootDomain *)provider;
+
+
+    return true;
+}
+
+
+IOReturn RootDomainUserClient::clientClose( void )
+{
+    detach(fOwner);
+    return kIOReturnSuccess;
+}
+
+IOExternalMethod *
+RootDomainUserClient::getTargetAndMethodForIndex( IOService ** targetP, UInt32 index )
+{
+    static IOExternalMethod sMethods[] = {
+        { // kPMSetAggressiveness, 0
+            0, (IOMethod)&IOPMrootDomain::setAggressiveness, kIOUCScalarIScalarO, 2, 0
+        },
+        { // kPMGetAggressiveness, 1
+            0, (IOMethod)&IOPMrootDomain::getAggressiveness, kIOUCScalarIScalarO, 1, 1
+        },
+        { // kPMSleepSystem, 2
+            0, (IOMethod)&IOPMrootDomain::sleepSystem, kIOUCScalarIScalarO, 0, 0
+        },
+        { // kPMAllowPowerChange, 3
+            0, (IOMethod)&IOPMrootDomain::allowPowerChange, kIOUCScalarIScalarO, 1, 0
+        },
+        { // kPMCancelPowerChange, 4
+            0, (IOMethod)&IOPMrootDomain::cancelPowerChange, kIOUCScalarIScalarO, 1, 0
+        },
+        { // kPMShutdownSystem, 5
+            0, (IOMethod)&IOPMrootDomain::shutdownSystem, kIOUCScalarIScalarO, 0, 0
+        },
+        { // kPMRestartSystem, 6
+            0, (IOMethod)&IOPMrootDomain::restartSystem, kIOUCScalarIScalarO, 0, 0
+        },
+        { // kPMSetPreventative, 7
+            1, (IOMethod) &RootDomainUserClient::setPreventative, kIOUCScalarIScalarO, 2, 0
+        },
+    };
+
+    if(index >= kNumPMMethods)
+    	return NULL;
+    else {
+        if (sMethods[index].object)
+            *targetP = this;
+        else
+            *targetP = fOwner;
+
+        return &sMethods[index];
+    }
+}
+
+void 
+RootDomainUserClient::setPreventative(UInt32 on_off, UInt32 types_of_sleep)
+{
+    return;
+}
+