--- /dev/null
+++ xnu/xnu-124.1/iokit/Drivers/platform/drvAppleRootDomain/RootDomainUserClient.cpp
@@ -0,0 +1,125 @@
+/*
+ * Copyright (c) 1998-2000 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
+ * 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@
+ */
+/*
+ * 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)
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+RootDomainUserClient *RootDomainUserClient::withTask(task_t owningTask)
+{
+    RootDomainUserClient *me;
+
+    me = new RootDomainUserClient;
+    if(me) {
+        if(!me->init()) {
+            me->release();
+            return NULL;
+        }
+        me->fTask = owningTask;
+    }
+    return me;
+}
+
+bool RootDomainUserClient::start( IOService * provider )
+{
+    assert(OSDynamicCast(IOPMrootDomain, provider));
+    if(!super::start(provider))
+        return false;
+    fOwner = (IOPMrootDomain *)provider;
+
+    // Got the owner, so initialize the call structures
+    fMethods[kPMSetAggressiveness].object = provider;			// 0
+    fMethods[kPMSetAggressiveness].func = (IOMethod)&IOPMrootDomain::setAggressiveness;
+    fMethods[kPMSetAggressiveness].count0 = 2;
+    fMethods[kPMSetAggressiveness].count1 = 0;
+    fMethods[kPMSetAggressiveness].flags = kIOUCScalarIScalarO;
+
+    fMethods[kPMGetAggressiveness].object = provider;			// 1
+    fMethods[kPMGetAggressiveness].func = (IOMethod)&IOPMrootDomain::getAggressiveness;
+    fMethods[kPMGetAggressiveness].count0 = 1;
+    fMethods[kPMGetAggressiveness].count1 = 1;
+    fMethods[kPMGetAggressiveness].flags = kIOUCScalarIScalarO;
+
+    fMethods[kPMSleepSystem].object = provider;			// 2
+    fMethods[kPMSleepSystem].func = (IOMethod)&IOPMrootDomain::sleepSystem;
+    fMethods[kPMSleepSystem].count0 = 0;
+    fMethods[kPMSleepSystem].count1 = 0;
+    fMethods[kPMSleepSystem].flags = kIOUCScalarIScalarO;
+
+    fMethods[kPMAllowPowerChange].object = provider;		// 3
+    fMethods[kPMAllowPowerChange].func = (IOMethod)&IOPMrootDomain::allowPowerChange;
+    fMethods[kPMAllowPowerChange].count0 = 1;
+    fMethods[kPMAllowPowerChange].count1 = 0;
+    fMethods[kPMAllowPowerChange].flags = kIOUCScalarIScalarO;
+
+    fMethods[kPMCancelPowerChange].object = provider;		// 4
+    fMethods[kPMCancelPowerChange].func = (IOMethod)&IOPMrootDomain::cancelPowerChange;
+    fMethods[kPMCancelPowerChange].count0 = 1;
+    fMethods[kPMCancelPowerChange].count1 = 0;
+    fMethods[kPMCancelPowerChange].flags = kIOUCScalarIScalarO;
+
+    return true;
+}
+
+
+IOReturn RootDomainUserClient::clientClose( void )
+{
+    detach( fOwner);
+
+    return kIOReturnSuccess;
+}
+
+IOReturn RootDomainUserClient::clientDied( void )
+{
+    return( clientClose());
+}
+
+IOExternalMethod *
+RootDomainUserClient::getExternalMethodForIndex( UInt32 index )
+{
+    if(index >= kNumPMMethods)
+    	return NULL;
+    else
+        return &fMethods[index];
+}
+
+IOReturn
+RootDomainUserClient::registerNotificationPort(
+            mach_port_t port, UInt32 type )
+{
+    return kIOReturnUnsupported;
+}
+