author | Simon Howkins <simonh@symbian.org> |
Mon, 15 Nov 2010 14:53:34 +0000 | |
branch | RCL_3 |
changeset 105 | 871af676edac |
parent 94 | 919f36ff910f |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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* |
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*/ |
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// INCLUDES |
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#include <e32base.h> |
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#include <e32std.h> |
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#include <e32hal.h> |
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#include "MemoryPool.h" |
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#include "StopScheduler.h" |
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#include "fast_malloc.h" |
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#include "SymbianDlHeap.h" |
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#include <OOMMonitorSession.h> |
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#include <hal.h> |
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#include <avkon.hrh> |
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#include <avkon.rsg> |
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#include <StringLoader.h> |
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#include <WebKit.rsg> |
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#include "MemoryLogger.h" |
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// CONSTANTS |
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// CLASS DECLARATIONS |
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//----------------------------------------------------------------------------- |
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// CMemoryPool::AddCollector |
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//----------------------------------------------------------------------------- |
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void CMemoryPool::AddCollector( MMemoryCollector* aCollector ) |
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{ |
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// sort the collectors according to their priorities |
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TInt i; |
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for( i=0; i<iCollectors.Count(); ++i ) |
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{ |
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if( aCollector->Priority() <= iCollectors[i]->Priority() ) break; |
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} |
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iCollectors.Insert( aCollector, i ); |
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} |
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//----------------------------------------------------------------------------- |
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// CMemoryPool::RemoveCollector |
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//----------------------------------------------------------------------------- |
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void CMemoryPool::RemoveCollector( MMemoryCollector* aCollector ) |
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{ |
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TInt idx = iCollectors.Find( aCollector ); |
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if( idx != KErrNotFound ) |
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iCollectors.Remove( idx ); |
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} |
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//----------------------------------------------------------------------------- |
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// CMemoryPool::AddStopper |
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//----------------------------------------------------------------------------- |
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void CMemoryPool::AddStopper( MOOMStopper* aStopper ) |
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{ |
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if( !iStopScheduler ) |
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iStopScheduler = new CStopScheduler(*this); |
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iStoppers.Append( aStopper ); |
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} |
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//----------------------------------------------------------------------------- |
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// CMemoryPool::RemoveStopper |
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//----------------------------------------------------------------------------- |
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void CMemoryPool::RemoveStopper( MOOMStopper* aStopper ) |
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{ |
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if( !iStopScheduler ) return; |
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TInt idx = iStoppers.Find( aStopper ); |
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if( idx != KErrNotFound ) |
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iStoppers.Remove( idx ); |
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if(iStoppers.Count() == 0 && iStopScheduler->IsActive()) // cancel stop if nobody is interested |
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iStopScheduler->Cancel(); |
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||
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} |
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//----------------------------------------------------------------------------- |
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// CMemoryPool::SetNotifier |
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//----------------------------------------------------------------------------- |
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void CMemoryPool::SetNotifier( MOOMNotifier* aNotifier ) |
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{ |
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iNotifier = aNotifier; |
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} |
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//----------------------------------------------------------------------------- |
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// CMemoryPool::Create() |
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//----------------------------------------------------------------------------- |
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TBool CMemoryPool::Create() |
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{ |
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iNestedChecks = 0; |
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iCollectors.Reset(); |
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iIsStopping = EFalse; |
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iIsCollecting = EFalse; |
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iMemStatus = ENoOOM; |
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// stop scheduler |
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iStopScheduler = 0; |
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iNotifier = 0; |
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return ETrue; |
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} |
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//----------------------------------------------------------------------------- |
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// CMemoryPool::SetStopping |
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//----------------------------------------------------------------------------- |
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void CMemoryPool::SetStopping( TBool aStopping ) |
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{ |
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iIsStopping = aStopping; |
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// all operations are stopped, must have some memory available |
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if( !iIsStopping ) iMemStatus = ENoOOM; |
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127 |
|
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// notify the client when stopping is done |
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if( !aStopping && iNotifier ) |
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{ |
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iNotifier->Notify(); |
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} |
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} |
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|
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//----------------------------------------------------------------------------- |
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// CMemoryPool::CollectMemory |
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//----------------------------------------------------------------------------- |
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void CMemoryPool::CollectMemory(TUint aSize) |
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{ |
94 | 140 |
MEM_LOG("CMemoryPool::CollectMemory - run"); |
0
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if( iIsCollecting ) return; |
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|
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iIsCollecting = ETrue; |
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for( TInt i=0; i<iCollectors.Count(); ++i ) |
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{ |
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iCollectors[i]->Collect(aSize); |
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} |
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iIsCollecting = EFalse; |
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|
94 | 150 |
if (iStopScheduler && !iIsStopping ) |
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iStopScheduler->Start( CStopScheduler::ECheckMemory, aSize ); |
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} |
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|
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//----------------------------------------------------------------------------- |
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// CMemoryPool::RestoreCollectors |
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//----------------------------------------------------------------------------- |
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void CMemoryPool::RestoreCollectors( TOOMPriority aPriority ) |
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{ |
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if( iIsCollecting ) return; |
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|
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for( TInt i=0; i<iCollectors.Count(); ++i ) |
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{ |
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if( iCollectors[i]->Priority() >= aPriority ) |
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iCollectors[i]->Restore(); |
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} |
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} |
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|
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//----------------------------------------------------------------------------- |
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// CMemoryPool::~CMemoryPool |
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//----------------------------------------------------------------------------- |
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CMemoryPool::~CMemoryPool() |
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{ |
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iCollectors.Reset(); |
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iStoppers.Reset(); |
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delete iStopScheduler; |
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|
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// NOTE: remove this when UI spec has OOM notifier defined |
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delete iNotifier; |
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} |
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|
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//----------------------------------------------------------------------------- |
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// CMemoryPool::AllocFromPool |
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//----------------------------------------------------------------------------- |
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TAny* CMemoryPool::AllocFromPool( TUint aSize ) |
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{ |
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// reset the status for next allocation |
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iMemStatus &= ~ERescueOOM; |
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|
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TAny *p = DoAlloc( aSize ); |
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|
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// check memory manager status |
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if( !p || iMemStatus & ERescueOOM ) |
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{ |
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if( !iIsCollecting ) |
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{ |
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CollectMemory(); |
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} |
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|
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if( !p ) |
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p = DoAlloc( aSize ); |
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|
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NotifyAndStop(); |
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} |
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|
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return p; |
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} |
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|
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//----------------------------------------------------------------------------- |
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// CMemoryPool::SetStatus |
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//----------------------------------------------------------------------------- |
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void CMemoryPool::SetStatus( TOOMCheckResult aType ) |
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{ |
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iMemStatus |= aType; |
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} |
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|
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//----------------------------------------------------------------------------- |
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// CMemoryPool::NotifyAndStop() |
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//----------------------------------------------------------------------------- |
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void CMemoryPool::NotifyAndStop() |
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{ |
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if( !iIsStopping ) |
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{ |
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iIsStopping = ETrue; |
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if (iStopScheduler) |
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iStopScheduler->Start( CStopScheduler::EStopLoading, 0 ); |
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} |
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} |
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|
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//----------------------------------------------------------------------------- |
94 | 230 |
// CMemoryPool::InitOOMDialog() |
231 |
//----------------------------------------------------------------------------- |
|
232 |
void CMemoryPool::InitOOMDialog() |
|
233 |
{ |
|
234 |
} |
|
235 |
||
236 |
//----------------------------------------------------------------------------- |
|
237 |
// CMemoryPool::ResetOOMDialog() |
|
238 |
//----------------------------------------------------------------------------- |
|
239 |
void CMemoryPool::ResetOOMDialog() |
|
240 |
{ |
|
241 |
} |
|
242 |
||
243 |
//----------------------------------------------------------------------------- |
|
0
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// CPlainAllocator::DoAlloc |
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//----------------------------------------------------------------------------- |
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TUint CFastMemoryPool::FreeMemory(TFreeMem& aFree ) |
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{ |
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return free_memory( aFree.iPool, aFree.iHeap, aFree.iHal ); |
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} |
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|
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//----------------------------------------------------------------------------- |
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// CFastMemoryPool::DoAlloc |
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//----------------------------------------------------------------------------- |
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TAny* CFastMemoryPool::DoAlloc( TUint aSize ) |
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{ |
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return fast_malloc( aSize ); |
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} |
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|
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//----------------------------------------------------------------------------- |
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// CFastMemoryPool::ReAllocate |
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//----------------------------------------------------------------------------- |
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TAny* CFastMemoryPool::ReAllocate( TAny* aPtr, TUint aSize ) |
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{ |
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// reset the status for next allocation |
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iMemStatus &= ~ERescueOOM; |
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TAny* p = fast_realloc( aPtr, aSize ); |
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// check memory manager status |
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if( !p || iMemStatus & ERescueOOM ) |
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{ |
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if( !iIsCollecting ) |
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{ |
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CollectMemory(); |
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} |
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if( !p ) |
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p = fast_realloc( aPtr, aSize ); |
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NotifyAndStop(); |
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} |
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return p; |
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} |
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|
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//----------------------------------------------------------------------------- |
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// CFastMemoryPool::PreCheck |
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//----------------------------------------------------------------------------- |
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TBool CFastMemoryPool::PreCheck( TUint aTotalSize, TUint aMaxBufSize, const TDesC8& /*aCheckerName*/ ) |
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{ |
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// avoid small checkings |
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if( aTotalSize < 1024 ) return ETrue; |
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|
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if( !fast_pre_check( aTotalSize, aMaxBufSize ) ) |
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{ |
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CollectMemory(aTotalSize); |
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ROomMonitorSession oomMs; |
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if ( oomMs.Connect() == KErrNone ) { |
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oomMs.RequestFreeMemory( aTotalSize ); |
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oomMs.Close(); |
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} |
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if( !fast_pre_check( aTotalSize, aMaxBufSize ) ) |
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{ |
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iMemStatus |= ECheckOOM; |
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NotifyAndStop(); |
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return EFalse; |
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} |
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} |
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|
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return ETrue; |
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} |
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|
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//----------------------------------------------------------------------------- |
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// CMemoryPool::PostCheck |
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//----------------------------------------------------------------------------- |
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TUint CFastMemoryPool::PostCheck() |
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{ |
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fast_post_check(); |
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return iMemStatus; |
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} |
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|
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//----------------------------------------------------------------------------- |
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// CPlainAllocator::Free |
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//----------------------------------------------------------------------------- |
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void CFastMemoryPool::Free( TAny* aPtr ) |
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{ |
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return fast_free( aPtr ); |
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} |
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|
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//----------------------------------------------------------------------------- |
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// CPlainAllocator::MemorySize |
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//----------------------------------------------------------------------------- |
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TUint CFastMemoryPool::MemorySize( TAny* aPtr ) |
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{ |
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return fast_malloc_size( aPtr ); |
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} |
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|
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//----------------------------------------------------------------------------- |
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// CPlainAllocator::SetRescueBufferSize |
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//----------------------------------------------------------------------------- |
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void CFastMemoryPool::SetRescueBufferSize( TInt aSize ) |
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{ |
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fast_set_rescue_buffer_size( aSize ); |
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} |
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|
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void CFastMemoryPool::RestoreRescueBuffer() |
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{ |
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alloc_rescue_buffer(); |
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} |
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|
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//----------------------------------------------------------------------------- |
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// CDefaultMemoryPool::~CDefaultMemoryPool |
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//----------------------------------------------------------------------------- |
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CDefaultMemoryPool::~CDefaultMemoryPool() |
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{ |
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} |
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|
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//----------------------------------------------------------------------------- |
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359 |
// CDefaultMemoryPool::DoAlloc |
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//----------------------------------------------------------------------------- |
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|
361 |
TAny* CDefaultMemoryPool::DoAlloc(TUint aSize) |
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362 |
{ |
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363 |
return User::Alloc( aSize ); |
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} |
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|
365 |
|
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|
366 |
//----------------------------------------------------------------------------- |
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367 |
// CDefaultMemoryPool::ReAllocate |
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368 |
//----------------------------------------------------------------------------- |
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369 |
TAny* CDefaultMemoryPool::ReAllocate( TAny* aPtr, TUint aSize ) |
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370 |
{ |
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|
371 |
return User::ReAlloc( aPtr, aSize ); |
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372 |
} |
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|
373 |
|
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374 |
//----------------------------------------------------------------------------- |
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375 |
// CDefaultMemoryPool::FreeMemory |
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376 |
//----------------------------------------------------------------------------- |
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377 |
TUint CDefaultMemoryPool::FreeMemory(TFreeMem& /*aFree*/) |
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378 |
{ |
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379 |
// free memory in Hal |
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380 |
TMemoryInfoV1Buf info; |
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381 |
UserHal::MemoryInfo( info ); |
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382 |
return info().iFreeRamInBytes; |
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383 |
} |
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|
384 |
|
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385 |
//----------------------------------------------------------------------------- |
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386 |
// CDefaultMemoryPool::Free |
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387 |
//----------------------------------------------------------------------------- |
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388 |
void CDefaultMemoryPool::Free(TAny* aPtr) |
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389 |
{ |
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390 |
User::Free( aPtr ); |
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|
391 |
} |
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|
392 |
|
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393 |
//----------------------------------------------------------------------------- |
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394 |
// CDefaultMemoryPool::MemorySize |
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395 |
//----------------------------------------------------------------------------- |
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396 |
TUint CDefaultMemoryPool::MemorySize(TAny* aPtr) |
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|
397 |
{ |
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398 |
return User::AllocLen( aPtr ); |
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|
399 |
} |
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|
400 |
|
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|
401 |
//----------------------------------------------------------------------------- |
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|
402 |
// CDefaultMemoryPool::SetRescueBufferSize |
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|
403 |
//----------------------------------------------------------------------------- |
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404 |
void CDefaultMemoryPool::SetRescueBufferSize( TInt aSize ) |
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|
405 |
{ |
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|
406 |
iRescueBufferSize = aSize; |
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|
407 |
} |
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|
408 |
|
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|
409 |
//----------------------------------------------------------------------------- |
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410 |
// CDefaultMemoryPool::PreCheck |
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411 |
//----------------------------------------------------------------------------- |
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412 |
TBool CDefaultMemoryPool::PreCheck( TUint aTotalSize, TUint /*aMaxBufSize*/, const TDesC8& /*aCheckerName*/ ) |
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|
413 |
{ |
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414 |
// avoid small checkings |
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|
415 |
if( aTotalSize < 1024 ) return ETrue; |
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|
416 |
|
8
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0
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|
417 |
// first check the application heap's max free block |
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|
418 |
TInt maxFreeBlock = 0; |
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|
419 |
User::Allocator().Available(maxFreeBlock); |
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|
420 |
if (aTotalSize < maxFreeBlock) |
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|
421 |
return ETrue; |
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|
422 |
|
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0
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|
423 |
|
0
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|
424 |
// free memory in Hal |
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|
425 |
TMemoryInfoV1Buf info; |
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|
426 |
UserHal::MemoryInfo( info ); |
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|
427 |
TInt sizeNeeded = aTotalSize + iRescueBufferSize; |
8
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|
428 |
|
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|
429 |
// check if there is enough space for the heap to grow |
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|
430 |
bool needSysCheck = EFalse; |
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|
431 |
if (info().iFreeRamInBytes > sizeNeeded) { |
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|
432 |
RHeap& heap = User::Heap(); |
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|
433 |
if (heap.MaxLength() - heap.Size() > sizeNeeded) |
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0
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|
434 |
return ETrue; |
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|
435 |
|
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0
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|
436 |
needSysCheck = ETrue; |
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|
437 |
} |
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0
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|
438 |
|
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parents:
0
diff
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|
439 |
if(sizeNeeded > info().iFreeRamInBytes || needSysCheck) |
0
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|
440 |
{ |
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|
441 |
CollectMemory(sizeNeeded); |
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|
442 |
|
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|
443 |
// check memory again |
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|
444 |
UserHal::MemoryInfo( info ); |
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changeset
|
445 |
|
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|
446 |
if(sizeNeeded > info().iFreeRamInBytes ) |
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|
447 |
{ |
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|
448 |
NotifyAndStop(); |
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|
449 |
iMemStatus |= ECheckOOM; |
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Revision: 200911
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|
450 |
return EFalse; |
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|
451 |
} |
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|
452 |
} |
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changeset
|
453 |
|
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|
454 |
return ETrue; |
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|
455 |
} |
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changeset
|
456 |
|
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|
457 |
//----------------------------------------------------------------------------- |
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|
458 |
// CDefaultMemoryPool::PostCheck |
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|
459 |
//----------------------------------------------------------------------------- |
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|
460 |
TUint CDefaultMemoryPool::PostCheck() |
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|
461 |
{ |
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Revision: 200911
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|
462 |
return iMemStatus; |
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|
463 |
} |
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|
464 |
|
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|
465 |
void CDefaultMemoryPool::RestoreRescueBuffer() |
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Revision: 200911
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|
466 |
{ |
dd21522fd290
Revision: 200911
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|
467 |
// do nothing here. |
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|
468 |
} |
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Revision: 200911
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diff
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|
469 |
|
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|
470 |
#ifdef __NEW_ALLOCATOR__ |
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|
471 |
//----------------------------------------------------------------------------- |
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|
472 |
// CNewSymbianHeapPool::FreeMemory |
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|
473 |
//----------------------------------------------------------------------------- |
94 | 474 |
TUint CNewSymbianHeapPool::FreeMemory(TFreeMem& aFree ) |
8
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|
475 |
{ |
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|
476 |
// TODO: implement free_memory |
94 | 477 |
aFree.iPool = 0; |
478 |
aFree.iHeap = 0; |
|
479 |
||
480 |
TInt freeRAM; |
|
481 |
if(HAL::Get(HALData::EMemoryRAMFree, freeRAM) == KErrNone) |
|
482 |
aFree.iHal = freeRAM; |
|
483 |
else |
|
484 |
aFree.iHal = 0; |
|
485 |
||
486 |
return KMaxTUint; // not fully implemented |
|
8
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|
487 |
} |
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|
488 |
|
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|
489 |
//----------------------------------------------------------------------------- |
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|
490 |
// CNewSymbianHeapPool::DoAlloc |
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|
491 |
//----------------------------------------------------------------------------- |
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|
492 |
TAny* CNewSymbianHeapPool::DoAlloc( TUint aSize ) |
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|
493 |
{ |
94 | 494 |
TAny *p = iAlloc->Alloc( aSize ); |
495 |
if(iAlloc->isLowSystemMemory && p) // use this a pre OOM indicator |
|
496 |
{ |
|
497 |
if(iStopScheduler) iStopScheduler->Start( CStopScheduler::ECheckMemory, 0 ); |
|
498 |
iAlloc->isLowSystemMemory = 0; // reset so that we don't check before next request for RAM |
|
499 |
} |
|
500 |
||
501 |
if (!p) { |
|
502 |
ShowOOMDialog(); |
|
503 |
MEM_LOG("CNewSymbianHeapPool::DoAlloc - failed"); |
|
504 |
} |
|
505 |
return p; |
|
8
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|
506 |
} |
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|
507 |
|
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|
508 |
//----------------------------------------------------------------------------- |
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|
509 |
// CNewSymbianHeapPool::ReAllocate |
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|
510 |
//----------------------------------------------------------------------------- |
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|
511 |
TAny* CNewSymbianHeapPool::ReAllocate( TAny* aPtr, TUint aSize ) |
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|
512 |
{ |
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|
513 |
// reset the status for next allocation |
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|
514 |
iMemStatus &= ~ERescueOOM; |
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|
515 |
|
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|
516 |
TAny* p = iAlloc->ReAlloc( aPtr, aSize ); |
94 | 517 |
if(iAlloc->isLowSystemMemory && p) // use this a pre OOM indicator |
518 |
{ |
|
519 |
if(iStopScheduler) iStopScheduler->Start( CStopScheduler::ECheckMemory, 0 ); |
|
520 |
iAlloc->isLowSystemMemory = 0; // reset so that we don't check before next request for RAM |
|
521 |
} |
|
522 |
||
8
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|
523 |
// check memory manager status |
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|
524 |
if( !p || iMemStatus & ERescueOOM ) |
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|
525 |
{ |
94 | 526 |
ShowOOMDialog(); |
8
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|
527 |
if( !iIsCollecting ) |
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|
528 |
{ |
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|
529 |
CollectMemory(); |
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|
530 |
} |
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|
531 |
|
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|
532 |
if( !p ) |
7c90e6132015
Revision: 200915
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|
533 |
p = iAlloc->ReAlloc( aPtr, aSize ); |
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|
534 |
|
7c90e6132015
Revision: 200915
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0
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|
535 |
NotifyAndStop(); |
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Revision: 200915
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0
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|
536 |
} |
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|
537 |
|
94 | 538 |
#ifdef OOM_LOGGING |
539 |
if(!p) |
|
540 |
MEM_LOG("CNewSymbianHeapPool::ReAllocate - failed"); |
|
541 |
#endif |
|
542 |
||
8
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|
543 |
return p; |
7c90e6132015
Revision: 200915
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|
544 |
} |
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Revision: 200915
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|
545 |
|
7c90e6132015
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|
546 |
//----------------------------------------------------------------------------- |
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Revision: 200915
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|
547 |
// CNewSymbianHeapPool::PreCheck |
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|
548 |
//----------------------------------------------------------------------------- |
7c90e6132015
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|
549 |
TBool CNewSymbianHeapPool::PreCheck(TUint aTotalSize, TUint aMaxBufSize, |
7c90e6132015
Revision: 200915
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|
550 |
const TDesC8& /*aCheckerName*/) |
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Revision: 200915
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|
551 |
{ |
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Revision: 200915
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|
552 |
/* aTotalSize - total amount desired |
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Revision: 200915
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diff
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|
553 |
* aMaxBufSize - largest single allocation desired |
7c90e6132015
Revision: 200915
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|
554 |
*/ |
7c90e6132015
Revision: 200915
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changeset
|
555 |
|
7c90e6132015
Revision: 200915
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parents:
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|
556 |
// avoid small checkings |
7c90e6132015
Revision: 200915
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|
557 |
if (aTotalSize < 1024) |
7c90e6132015
Revision: 200915
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|
558 |
return ETrue; |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
559 |
|
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
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changeset
|
560 |
/* |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
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diff
changeset
|
561 |
* Browser fast_malloc implementation merges together total/max allocation requests and says YES if system free memory is >6MB |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
562 |
*/ |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
563 |
// mirror existing size calculation |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
564 |
aTotalSize = aTotalSize > (aMaxBufSize * 2) ? aTotalSize |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
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diff
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|
565 |
: (aMaxBufSize * 2); |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
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diff
changeset
|
566 |
|
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
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diff
changeset
|
567 |
// if we have more than 6 MB of free mem, we |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
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diff
changeset
|
568 |
// should skip malloc_info call. |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
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diff
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|
569 |
// free memory in Hal |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
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diff
changeset
|
570 |
TInt systemFreeMemory = 0; |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
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diff
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|
571 |
if( HAL::Get(HALData::EMemoryRAMFree, systemFreeMemory) == KErrNone ) |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
572 |
{ |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
573 |
const TUint checkThreshold = 6*1024*1024; |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
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diff
changeset
|
574 |
if(systemFreeMemory> checkThreshold && systemFreeMemory> aTotalSize) |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
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diff
changeset
|
575 |
return ETrue; |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
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changeset
|
576 |
} |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
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diff
changeset
|
577 |
|
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
578 |
/* For a proper implementation of RHeap, the stats available are: |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
579 |
* AllocSize Total number of allocated bytes |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
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diff
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|
580 |
* Size Total number of bytes held from system |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
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diff
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|
581 |
* Available Max block size and amount of bytes held but not allocated |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
582 |
*/ |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
583 |
/* We don't have those bits of the heap implemented yet |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
584 |
*/ |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
585 |
TInt freeSpace = 0; // be conservative, use 0 intead of 64<<10; |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
586 |
TInt req = freeSpace + systemFreeMemory - aTotalSize; |
7c90e6132015
Revision: 200915
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parents:
0
diff
changeset
|
587 |
|
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
588 |
if(req > 0) |
7c90e6132015
Revision: 200915
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|
589 |
return ETrue; |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
590 |
|
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
591 |
// First, ask system for memory from other applications. |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
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diff
changeset
|
592 |
ROomMonitorSession oomMs; |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
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0
diff
changeset
|
593 |
if (oomMs.Connect() == KErrNone) |
7c90e6132015
Revision: 200915
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parents:
0
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changeset
|
594 |
{ |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
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changeset
|
595 |
oomMs.RequestFreeMemory(aTotalSize); |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
596 |
oomMs.Close(); |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
597 |
} |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
598 |
|
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
599 |
// We haven't altered our heap yet, so ask the system how much is free now... |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
600 |
HAL::Get(HALData::EMemoryRAMFree, systemFreeMemory); |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
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changeset
|
601 |
req = freeSpace + systemFreeMemory - aTotalSize; |
7c90e6132015
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parents:
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diff
changeset
|
602 |
|
7c90e6132015
Revision: 200915
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parents:
0
diff
changeset
|
603 |
if(req > 0) |
7c90e6132015
Revision: 200915
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parents:
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diff
changeset
|
604 |
return ETrue; |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
605 |
|
94 | 606 |
// We haven't got the required amount free yet, pop an OOM dialog and then try the browser heap. |
607 |
ShowOOMDialog(); |
|
8
7c90e6132015
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diff
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|
608 |
CollectMemory(aTotalSize); |
7c90e6132015
Revision: 200915
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parents:
0
diff
changeset
|
609 |
// ask the system how much is free now... |
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Revision: 200915
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parents:
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diff
changeset
|
610 |
HAL::Get(HALData::EMemoryRAMFree, systemFreeMemory); |
7c90e6132015
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parents:
0
diff
changeset
|
611 |
req = freeSpace + systemFreeMemory - aTotalSize; |
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Revision: 200915
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parents:
0
diff
changeset
|
612 |
|
7c90e6132015
Revision: 200915
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parents:
0
diff
changeset
|
613 |
// if we still haven't got enough RAM, we should stop the browser from going any further just yet. |
7c90e6132015
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parents:
0
diff
changeset
|
614 |
if (req < 0) |
7c90e6132015
Revision: 200915
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parents:
0
diff
changeset
|
615 |
{ |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
616 |
iMemStatus |= ECheckOOM; |
7c90e6132015
Revision: 200915
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parents:
0
diff
changeset
|
617 |
NotifyAndStop(); |
94 | 618 |
|
619 |
#ifdef OOM_LOGGING |
|
620 |
MEM_LOG("CNewSymbianHeapPool::PreCheck - failed !!"); |
|
621 |
DumpHeapLogs(aTotalSize); |
|
622 |
#endif |
|
8
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|
623 |
return EFalse; |
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|
624 |
} |
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diff
changeset
|
625 |
|
7c90e6132015
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0
diff
changeset
|
626 |
return ETrue; |
7c90e6132015
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parents:
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diff
changeset
|
627 |
} |
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parents:
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diff
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|
628 |
|
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|
629 |
//----------------------------------------------------------------------------- |
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|
630 |
// CNewSymbianHeapPool::PostCheck |
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|
631 |
//----------------------------------------------------------------------------- |
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|
632 |
TUint CNewSymbianHeapPool::PostCheck() |
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|
633 |
{ |
7c90e6132015
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diff
changeset
|
634 |
return iMemStatus; |
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|
635 |
} |
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|
636 |
|
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|
637 |
//----------------------------------------------------------------------------- |
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|
638 |
// CNewSymbianHeapPool::Free |
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|
639 |
//----------------------------------------------------------------------------- |
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|
640 |
void CNewSymbianHeapPool::Free( TAny* aPtr ) |
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|
641 |
{ |
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parents:
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diff
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|
642 |
return iAlloc->Free( aPtr ); |
7c90e6132015
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|
643 |
} |
7c90e6132015
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0
diff
changeset
|
644 |
|
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parents:
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diff
changeset
|
645 |
//----------------------------------------------------------------------------- |
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diff
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|
646 |
// CNewSymbianHeapPool::MemorySize |
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Revision: 200915
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|
647 |
//----------------------------------------------------------------------------- |
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Revision: 200915
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diff
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|
648 |
TUint CNewSymbianHeapPool::MemorySize( TAny* aPtr ) |
7c90e6132015
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|
649 |
{ |
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Revision: 200915
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diff
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|
650 |
return iAlloc->AllocLen( aPtr ); |
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parents:
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|
651 |
} |
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|
652 |
|
7c90e6132015
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parents:
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|
653 |
//----------------------------------------------------------------------------- |
7c90e6132015
Revision: 200915
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|
654 |
// CNewSymbianHeapPool::SetRescueBufferSize |
7c90e6132015
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diff
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|
655 |
//----------------------------------------------------------------------------- |
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|
656 |
void CNewSymbianHeapPool::SetRescueBufferSize( TInt /*aSize*/ ) |
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|
657 |
{ |
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|
658 |
//fast_set_rescue_buffer_size( aSize ); |
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|
659 |
} |
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|
660 |
|
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0
diff
changeset
|
661 |
//----------------------------------------------------------------------------- |
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parents:
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diff
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|
662 |
// CNewSymbianHeapPool::RestoreRescueBuffer |
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|
663 |
//----------------------------------------------------------------------------- |
7c90e6132015
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0
diff
changeset
|
664 |
void CNewSymbianHeapPool::RestoreRescueBuffer() |
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|
665 |
{ |
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|
666 |
//alloc_rescue_buffer(); |
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|
667 |
} |
7c90e6132015
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parents:
0
diff
changeset
|
668 |
|
7c90e6132015
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0
diff
changeset
|
669 |
CNewSymbianHeapPool::CNewSymbianHeapPool() : CMemoryPool() |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
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0
diff
changeset
|
670 |
{ |
94 | 671 |
isInitted = EFalse; |
672 |
iOOMErrorDialog = 0; |
|
673 |
iOOMMessage = 0; |
|
8
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|
674 |
} |
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0
diff
changeset
|
675 |
|
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0
diff
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|
676 |
CNewSymbianHeapPool::~CNewSymbianHeapPool() |
7c90e6132015
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|
677 |
{ |
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parents:
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changeset
|
678 |
// iAlloc->Close(); // TODO: Need to clean up here, but it's not implemented in the allocator yet. |
7c90e6132015
Revision: 200915
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changeset
|
679 |
// Not fatal anyway because all the handles are process local and we should only |
7c90e6132015
Revision: 200915
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diff
changeset
|
680 |
// be deleting this object when we're closing the allocator - which we never do |
7c90e6132015
Revision: 200915
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|
681 |
// except at process end. |
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|
682 |
} |
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changeset
|
683 |
|
16
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diff
changeset
|
684 |
#ifdef __WINSCW__ |
94 | 685 |
const TInt KMaxHeapSize = 0x1000000; // 32MB, on emulator |
16
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|
686 |
#else |
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Revision: 200929
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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8
diff
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|
687 |
const TInt KMaxHeapSize = 0x4000000; // 64MB, on hardware |
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diff
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|
688 |
#endif |
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|
689 |
|
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|
690 |
const TInt KHeapGrowSize = 0x10000; // 64KB |
8
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|
691 |
|
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|
692 |
TBool CNewSymbianHeapPool::Create() |
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|
693 |
{ |
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parents:
0
diff
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|
694 |
// need to know system page size |
7c90e6132015
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0
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|
695 |
TInt page_size; |
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Revision: 200915
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|
696 |
UserHal::PageSizeInBytes(page_size); |
16
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|
697 |
|
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|
698 |
TInt maxmem = 0; |
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|
699 |
HAL::Get(HALData::EMemoryRAM, maxmem); |
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|
700 |
TInt maxHeapSize = Min(maxmem, KMaxHeapSize); |
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Revision: 200929
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|
701 |
|
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|
702 |
/* Create the thread's heap chunk. |
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|
703 |
* The chunk needs reserve enough address space for twice the maximum allocation |
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changeset
|
704 |
* The heap object is instantiated exactly half way up the chunk, and initially is provided just 1 page of memory |
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diff
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|
705 |
* This memory can be committed as part of the call to creat the chunk |
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Revision: 200929
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changeset
|
706 |
*/ |
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parents:
8
diff
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|
707 |
TInt maxChunkSize = 2 * maxHeapSize; |
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8
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|
708 |
TInt offset = maxHeapSize; |
8
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0
diff
changeset
|
709 |
TInt minLength = page_size; |
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0
diff
changeset
|
710 |
RChunk c; |
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|
711 |
TInt r = c.CreateDisconnectedLocal(offset, offset+minLength, maxChunkSize, EOwnerProcess); |
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0
diff
changeset
|
712 |
if (r!=KErrNone) |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
713 |
return EFalse; |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
714 |
|
16
a359256acfc6
Revision: 200929
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
8
diff
changeset
|
715 |
iAlloc = new (c.Base() + offset) RSymbianDLHeap(c.Handle(), offset, minLength, maxHeapSize, KHeapGrowSize, 8, EFalse /* not single threaded! */); |
8
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
716 |
iAlloc->iHandles = &iAlloc->iChunkHandle; |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
717 |
iAlloc->iHandleCount = 2; |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
718 |
// chunk handle now 'owned' by iAlloc |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
719 |
r = iAlloc->iLock.CreateLocal(EOwnerProcess); |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
720 |
|
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
721 |
if(r != KErrNone) |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
722 |
return EFalse; |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
723 |
|
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
724 |
return CMemoryPool::Create(); |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
725 |
} |
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
726 |
|
94 | 727 |
/* |
728 |
* Initialize the OOM dialog and localized message resource |
|
729 |
* This should be called as soon in the startup process as possible |
|
730 |
* (unfortunately it can't be called until resources are already loaded) |
|
731 |
* Note: apps are responsible for showing their own oom dialog; there |
|
732 |
* is no system one AFAIK; at least we can re-use the oom localized |
|
733 |
* resource message from elsewhere |
|
734 |
*/ |
|
735 |
void CNewSymbianHeapPool::InitOOMDialog() |
|
736 |
{ |
|
737 |
if (!isInitted) |
|
738 |
{ |
|
739 |
isInitted = ETrue; |
|
740 |
iOOMErrorDialog = CAknGlobalNote::NewL(); |
|
741 |
iOOMErrorDialog->SetSoftkeys(R_AVKON_SOFTKEYS_OK_EMPTY); |
|
742 |
iOOMMessage = StringLoader::LoadL(R_QTN_BROWSER_DIALOG_OOM); |
|
743 |
iOOMDisplayed = EFalse; |
|
744 |
} |
|
745 |
} |
|
746 |
||
747 |
void CNewSymbianHeapPool::ShowOOMDialog() |
|
748 |
{ |
|
749 |
MEM_LOG("CNewSymbianHeapPool::ShowOOMDialog - called"); |
|
750 |
||
751 |
// Don't show it if we did once already |
|
752 |
if (iOOMDisplayed) |
|
753 |
return; |
|
754 |
||
755 |
// If we got OOM, show a dialog (if the dialog was initted properly to begin with) |
|
756 |
if (iOOMErrorDialog) |
|
757 |
{ |
|
758 |
// If we couldn't load the message resource when we first initted, |
|
759 |
// try again now; this shouldn't ever happen |
|
760 |
if (!iOOMMessage) |
|
761 |
{ |
|
762 |
iOOMMessage = StringLoader::LoadL(R_QTN_BROWSER_DIALOG_OOM); |
|
763 |
} |
|
764 |
// If we have no dialog or message we unfortunately cannot display it! |
|
765 |
if (iOOMMessage) |
|
766 |
{ |
|
767 |
iOOMErrorDialog->ShowNoteL(EAknGlobalWarningNote,iOOMMessage->Des()); |
|
768 |
iOOMDisplayed = ETrue; |
|
769 |
} |
|
770 |
} |
|
771 |
} |
|
772 |
||
773 |
void CNewSymbianHeapPool::ResetOOMDialog() |
|
774 |
{ |
|
775 |
iOOMDisplayed = EFalse; |
|
776 |
} |
|
777 |
||
93
79859ed3eea9
Revision: 201034
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
92
diff
changeset
|
778 |
#ifdef OOM_LOGGING |
94 | 779 |
void CNewSymbianHeapPool::DumpHeapLogs(TInt aFailSize) |
37
cb62a4f66ebe
Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
16
diff
changeset
|
780 |
{ |
94 | 781 |
iAlloc->dump_heap_logs(aFailSize); |
16
a359256acfc6
Revision: 200929
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
8
diff
changeset
|
782 |
iAlloc->dump_dl_free_chunks(); |
a359256acfc6
Revision: 200929
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
8
diff
changeset
|
783 |
} |
a359256acfc6
Revision: 200929
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
8
diff
changeset
|
784 |
#endif |
8
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
785 |
#endif |
0
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
786 |
// END OF FILE |