// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

 // All rights reserved.

 // This component and the accompanying materials are made available

 // under the terms of the License "Eclipse Public License v1.0"

 // which accompanies this distribution, and is available

 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

 //

 // Initial Contributors:

 // Nokia Corporation - initial contribution.

 //

 // Contributors:

 //

 // Description:

 //

 #include <plat_priv.h>

 #include "mm.h"

 #include "mmu.h"

 #include "mcleanup.h"

 //

 // TMemoryCleanup

 //

 static TDfc CleanupDfc(TMemoryCleanup::Cleanup, NULL, 2);

 static TMemoryCleanup* CleanupList = 0;

 #ifdef __SMP__

 static TSpinLock CleanupLock(TSpinLock::EOrderEventHandlerList);

 #endif

 void TMemoryCleanup::Init2()

 	{

 	CleanupDfc.SetDfcQ(K::SvMsgQ);

 	}

 void TMemoryCleanup::Add(TMemoryCleanupCallback aCallback, TAny* aArg)

 	{

 	__SPIN_LOCK_IRQ(CleanupLock);

 	if(iCallback)

 		{

 		// already queued...

 		__NK_ASSERT_DEBUG(iCallback==aCallback);

 		__SPIN_UNLOCK_IRQ(CleanupLock);

 		}

 	else

 		{

 		iCallback = aCallback;

 		iArg = aArg;

 		iNext = CleanupList;

 		CleanupList = this;

 		__SPIN_UNLOCK_IRQ(CleanupLock);

 		CleanupDfc.Enque();

 		}

 	}

 void TMemoryCleanup::Cleanup(TAny* /*aDummy*/)

 	{

 	for(;;)

 		{

 		__SPIN_LOCK_IRQ(CleanupLock);

 		TMemoryCleanup* c = CleanupList;

 		if(!c)

 			{

 			__SPIN_UNLOCK_IRQ(CleanupLock);

 			return;

 			}

 		CleanupList = c->iNext;

 		TMemoryCleanupCallback fn = c->iCallback;

 		TAny* arg = c->iArg;

 		c->iCallback = 0;

 		__SPIN_UNLOCK_IRQ(CleanupLock);

 		(*fn)(arg);

 		}

 	}