// 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);

		}

	}