| author | Pat Downey <patd@symbian.org> |
| Wed, 01 Sep 2010 12:28:30 +0100 | |
| branch | RCL_3 |
| changeset 94 | 919f36ff910f |
| parent 93 | 79859ed3eea9 |
| permissions | -rw-r--r-- |
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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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// INCLUDE FILES |
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#include <MemoryManager.h> |
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#include "MemoryPool.h" |
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#include "FastAllocator.h" |
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#include "MemoryLogger.h" |
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// CONSTANTS |
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_LIT( KMemManPanicDes, "MemMan:0" ); |
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// CLASS DECLARATION |
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// initializing a global memory pool. |
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static CMemoryPool *s_pool = 0; |
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//----------------------------------------------------------------------------- |
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// Pool() - a utility function for accessing the right memory pool |
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//----------------------------------------------------------------------------- |
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inline CMemoryPool* Pool() |
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{
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if( !s_pool ) {
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// applications using fast memory pool already created the pool at |
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// startup. |
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s_pool = new CDefaultMemoryPool(); |
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s_pool->Create(); |
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} |
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return s_pool; |
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} |
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//----------------------------------------------------------------------------- |
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// MemoryManager::CreateAllocator |
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//----------------------------------------------------------------------------- |
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EXPORT_C void MemoryManager::CreateFastAllocator() |
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{
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// create the right memory pool |
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MEM_LOG_CREATE(); |
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#ifdef __NEW_ALLOCATOR__ |
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CMemoryPool *pool = new CNewSymbianHeapPool(); |
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pool->Create(); |
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RSymbianDlAllocatorWrapper* allocator = new RSymbianDlAllocatorWrapper((CNewSymbianHeapPool*)pool); |
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User::SwitchAllocator(allocator); |
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MEM_LOGF(_L8("MemoryManager::CreateFastAllocator - new pool=%x, allocator=%x"), pool, allocator);
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#endif |
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} |
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//----------------------------------------------------------------------------- |
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// MemoryManager::InitAllocator |
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//----------------------------------------------------------------------------- |
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EXPORT_C void MemoryManager::InitFastAllocator() |
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{
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// Initialize s_pool variable from current allocator, assumption is that main program has already called CreateAllocator() |
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// It is special case when this allocator is created in SetupThreadHeap() where can not initialize static data. It also |
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// solves problems due to static data destruction in Symbian 9.5. |
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#ifdef __NEW_ALLOCATOR__ |
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RAllocator &aAllocator = User::Allocator(); |
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RSymbianDlAllocatorWrapper* allocator = (RSymbianDlAllocatorWrapper*) &aAllocator; |
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s_pool = allocator->iPool; |
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MEM_LOGF(_L8("MemoryManager::InitFastAllocator - s_pool=%x, allocator=%x"), s_pool, allocator);
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#endif |
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} |
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//----------------------------------------------------------------------------- |
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// MemoryManager::SwitchToFastAllocator |
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//----------------------------------------------------------------------------- |
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EXPORT_C RAllocator* MemoryManager::SwitchToFastAllocator() |
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{
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// create the right memory pool |
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__ASSERT_DEBUG( s_pool == 0, User::Panic( KMemManPanicDes, 0 ) ); |
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MEM_LOGF(_L8("MemoryManager::SwitchToFastAllocator - s_pool=%x"), s_pool);
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#ifdef __NEW_ALLOCATOR__ |
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s_pool = new CNewSymbianHeapPool(); |
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s_pool->Create(); |
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RSymbianDlAllocatorWrapper* allocator = new RSymbianDlAllocatorWrapper((CNewSymbianHeapPool*)s_pool); |
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MEM_LOGF(_L8("MemoryManager::SwitchToFastAllocator - new s_pool=%x"), s_pool);
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return User::SwitchAllocator( allocator ); |
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#else |
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s_pool = new CFastMemoryPool(); |
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s_pool->Create(); |
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RFastAllocator* allocator = new RFastAllocator((CFastMemoryPool*)s_pool); |
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return User::SwitchAllocator( allocator ); |
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#endif |
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} |
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//----------------------------------------------------------------------------- |
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// MemoryManager::InitOOMHandler |
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//----------------------------------------------------------------------------- |
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EXPORT_C void MemoryManager::InitOOMDialog() |
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{
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#ifdef __NEW_ALLOCATOR__ |
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if (s_pool) |
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s_pool->InitOOMDialog(); |
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#endif |
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} |
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//----------------------------------------------------------------------------- |
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// MemoryManager::ResetOOMDialogDisplayed |
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//----------------------------------------------------------------------------- |
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EXPORT_C void MemoryManager::ResetOOMDialogDisplayed() |
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{
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#ifdef __NEW_ALLOCATOR__ |
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if (s_pool) |
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s_pool->ResetOOMDialog(); |
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#endif |
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} |
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//----------------------------------------------------------------------------- |
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// MemoryManager::CloseFastAllocator |
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//----------------------------------------------------------------------------- |
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EXPORT_C void MemoryManager::CloseFastAllocator(RAllocator* aDefaultAllocator) |
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{
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#ifdef __NEW_ALLOCATOR__ |
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RAllocator* allocator = User::SwitchAllocator( aDefaultAllocator ); |
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delete (RSymbianDlAllocatorWrapper*)(allocator); |
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#else |
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RAllocator* allocator = User::SwitchAllocator( aDefaultAllocator ); |
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delete (RFastAllocator*)(allocator); |
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#endif |
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} |
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//----------------------------------------------------------------------------- |
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// MemoryManager::AddCollector |
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//----------------------------------------------------------------------------- |
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EXPORT_C void MemoryManager::AddCollector( MMemoryCollector* aCollector ) |
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{
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Pool()->AddCollector( aCollector ); |
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} |
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//----------------------------------------------------------------------------- |
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// MemoryManager::RemoveCollector |
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//----------------------------------------------------------------------------- |
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EXPORT_C void MemoryManager::RemoveCollector( MMemoryCollector* aCollector ) |
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{
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Pool()->RemoveCollector( aCollector ); |
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} |
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//----------------------------------------------------------------------------- |
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// MemoryManager::AddStopper |
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//----------------------------------------------------------------------------- |
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EXPORT_C void MemoryManager::AddStopper( MOOMStopper* aStopper ) |
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{
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Pool()->AddStopper( aStopper ); |
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} |
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//----------------------------------------------------------------------------- |
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// MemoryManager::RemoveStopper |
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//----------------------------------------------------------------------------- |
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EXPORT_C void MemoryManager::RemoveStopper( MOOMStopper* aStopper ) |
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{
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Pool()->RemoveStopper( aStopper ); |
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} |
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//----------------------------------------------------------------------------- |
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// MemoryManager::SetNotifier |
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//----------------------------------------------------------------------------- |
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EXPORT_C void MemoryManager::SetNotifier( MOOMNotifier* aNotifier ) |
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{
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Pool()->SetNotifier( aNotifier ); |
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} |
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//----------------------------------------------------------------------------- |
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// MemoryManager::PreCheck |
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//----------------------------------------------------------------------------- |
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EXPORT_C TBool MemoryManager::PreCheck( TUint aTotalSize, TUint aMaxBufSize, const TDesC8& aChecker ) |
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{
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return Pool()->PreCheck( aTotalSize, aMaxBufSize, aChecker ); |
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} |
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//----------------------------------------------------------------------------- |
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// MemoryManager::PostCheck |
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//----------------------------------------------------------------------------- |
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EXPORT_C TUint MemoryManager::PostCheck() |
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{
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return Pool()->PostCheck(); |
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} |
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//----------------------------------------------------------------------------- |
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// MemoryManager::SetStatus |
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//----------------------------------------------------------------------------- |
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EXPORT_C void MemoryManager::SetStatus( TOOMCheckResult aType ) |
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{
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Pool()->SetStatus( aType ); |
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} |
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//----------------------------------------------------------------------------- |
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// MemoryManager::Status |
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//----------------------------------------------------------------------------- |
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EXPORT_C TUint MemoryManager::Status() |
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{
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return Pool()->Status(); |
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} |
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//----------------------------------------------------------------------------- |
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// MemoryManager::FreeRam |
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//----------------------------------------------------------------------------- |
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EXPORT_C void MemoryManager::FreeRam() |
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{
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Pool()->CollectMemory(); |
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} |
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//----------------------------------------------------------------------------- |
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// MemoryManager::RestoreCollectors |
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//----------------------------------------------------------------------------- |
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EXPORT_C void MemoryManager::RestoreCollectors() |
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{
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Pool()->RestoreCollectors(EOOM_PriorityLow); |
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} |
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//----------------------------------------------------------------------------- |
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// MemoryManager::SetRescueBufferSize |
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//----------------------------------------------------------------------------- |
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EXPORT_C void MemoryManager::SetRescueBufferSize( TInt aSize ) |
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{
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Pool()->SetRescueBufferSize( aSize ); |
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} |
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//----------------------------------------------------------------------------- |
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// MemoryManager::MemorySize |
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//----------------------------------------------------------------------------- |
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EXPORT_C TUint MemoryManager::MemorySize( TAny* aPtr ) |
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{
|
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return Pool()->MemorySize( aPtr ); |
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} |
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| 94 | 245 |
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EXPORT_C void MemoryManager::DumpMemoryLogs() |
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{
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#if defined(OOM_LOGGING) && defined (__NEW_ALLOCATOR__) |
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CNewSymbianHeapPool *hPool = (CNewSymbianHeapPool *)Pool(); |
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hPool->DumpHeapLogs(0); |
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#endif |
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252 |
} |