--- xnu/xnu-792.25.20/iokit/Kernel/IOPMPowerStateQueue.cpp
+++ /dev/null
@@ -1,151 +0,0 @@
-/*
- * Copyright (c) 2001-2002 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@
- */
- 
-#include "IOPMPowerStateQueue.h"
-#include "IOKit/IOLocks.h"
-#undef super
-#define super IOEventSource
-OSDefineMetaClassAndStructors(IOPMPowerStateQueue, IOEventSource);
-
-#ifdef __i386__ /* ppc does this right and doesn't need these routines */
-static
-void *	OSDequeueAtomic(void ** inList, SInt32 inOffset)
-{
-	void *	oldListHead;
-	void *	newListHead;
-
-	do {
-		oldListHead = *inList;
-		if (oldListHead == NULL) {
-			break;
-		}
-		
-		newListHead = *(void **) (((char *) oldListHead) + inOffset);
-	} while (! OSCompareAndSwap((UInt32)oldListHead,
-					(UInt32)newListHead, (UInt32 *)inList));
-	return oldListHead;
-}
-
-static
-void	OSEnqueueAtomic(void ** inList, void * inNewLink, SInt32 inOffset)
-{
-	void *	oldListHead;
-	void *	newListHead = inNewLink;
-	void **	newLinkNextPtr = (void **) (((char *) inNewLink) + inOffset);
-
-	do {
-		oldListHead = *inList;
-		*newLinkNextPtr = oldListHead;
-	} while (! OSCompareAndSwap((UInt32)oldListHead, (UInt32)newListHead,
-					(UInt32 *)inList));
-}
-#endif /* __i386__ */
-
-
-IOPMPowerStateQueue *IOPMPowerStateQueue::PMPowerStateQueue(OSObject *inOwner)
-{
-    IOPMPowerStateQueue     *me = new IOPMPowerStateQueue;
-
-    if(me && !me->init(inOwner, 0) )
-    {
-        me->release();
-        return NULL;
-    }
-
-    return me;
-}
-
-bool IOPMPowerStateQueue::init(OSObject *owner, Action action)
-{
-    if(!(super::init(owner, (IOEventSource::Action) action))) return false;
-
-    // Queue of powerstate changes
-    changes = NULL;
-#ifdef __i386__
-    if (!(tmpLock = IOLockAlloc()))  panic("IOPMPowerStateQueue::init can't alloc lock");
-#endif
-    return true;
-}
-
-
-bool IOPMPowerStateQueue::unIdleOccurred(IOService *inTarget, unsigned long inState)
-{
-    PowerChangeEntry             *new_one = NULL;
-
-    new_one = (PowerChangeEntry *)IOMalloc(sizeof(PowerChangeEntry));
-    if(!new_one) return false;
-    
-    new_one->actionType = IOPMPowerStateQueue::kUnIdle;
-    new_one->state = inState;
-    new_one->target = inTarget;
-    
-    // Change to queue
-#ifdef __i386__
-    IOLockLock(tmpLock);
-#endif
-    OSEnqueueAtomic((void **)&changes, (void *)new_one, 0);
-#ifdef __i386__
-    IOLockUnlock(tmpLock);
-#endif
-    signalWorkAvailable();
-
-    return true;
-}
-
-// checkForWork() is called in a gated context
-bool IOPMPowerStateQueue::checkForWork()
-{
-    PowerChangeEntry            *theNode;
-    int                         theState;
-    IOService                   *theTarget;
-    UInt16                      theAction;
-    
-    // Dequeue and process the state change request
-#ifdef __i386__
-    IOLockLock(tmpLock);
-#endif
-    if((theNode = (PowerChangeEntry *)OSDequeueAtomic((void **)&changes, 0)))
-    {
-#ifdef __i386__
-      IOLockUnlock(tmpLock);
-#endif
-        theState = theNode->state;
-        theTarget = theNode->target;
-        theAction = theNode->actionType;
-        IOFree((void *)theNode, sizeof(PowerChangeEntry));
-        
-        switch (theAction)
-        {
-            case kUnIdle:
-                theTarget->command_received((void *)theState, 0, 0, 0);
-                break;
-        }
-    }
-#ifdef __i386__
-    else {
-      IOLockUnlock(tmpLock);
-    }
-#endif
-    // Return true if there's more work to be done
-    if(changes) return true;
-    else return false;
-}