author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 21 Jun 2010 16:41:52 +0300 | |
branch | RCL_3 |
changeset 41 | cd0ae4656946 |
parent 7 | 433cbbb6a04b |
child 49 | c9d868f1e20c |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009 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 "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: Main classes for Graphics Out of Memory Monitor |
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* |
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*/ |
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#ifndef GOOMMEMORYMONITOR_H |
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#define GOOMMEMORYMONITOR_H |
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#include <e32property.h> |
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#include <f32file.h> |
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#include <w32std.h> |
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#include <EGL/egl.h> |
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#include "goomglobalconfig.h" |
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#include "goomwindowgrouplist.h" |
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#include "goomtraces.h" |
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// --------------------------------------------------------- |
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// CMemoryMonitor |
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// --------------------------------------------------------- |
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// |
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class CGOomMonitorPlugin; |
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class CMemoryMonitorServer; |
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class CWservEventReceiver; |
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class CGOomActionList; |
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class CGOomLogger; |
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class CGOomConfig; |
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class CGoomThresholdCrossed; |
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typedef EGLBoolean (*NOK_resource_profiling)(EGLDisplay, EGLint, EGLint*, EGLint, EGLint*); |
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class CGOomSynchTimer; |
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NONSHARABLE_CLASS(CMemoryMonitor) : public CBase |
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{ |
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public: |
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static CMemoryMonitor* NewL(); |
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~CMemoryMonitor(); |
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enum TGOomTrigger //How free memory operation was triggered |
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{ |
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EGOomTriggerNone = 0, |
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EGOomTriggerFocusChanged, |
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EGOomTriggerRequestMemory, |
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EGOomTriggerThresholdCrossed |
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}; |
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public: // event handlers |
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void FreeMemThresholdCrossedL(TInt aAction = 0, TInt aThreshold = 0); |
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void AppNotExiting(TInt aWgId); |
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void StartFreeSomeRamL(TInt aTargetFree, TGOomTrigger aTrigger); |
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void FreeOptionalRamL(TInt aTargetFree, TInt aPluginId, TBool aUseAbsolute = ETrue); // The ID of the plugin that will clear up the allocation, used to determine the priority of the allocation |
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void RequestFreeMemoryL(TInt aTargetFree, TBool aUseAbsolute = ETrue); |
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void HandleFocusedWgChangeL(TInt aForegroundAppUid = KErrNotFound); |
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static const CGOomGlobalConfig& GlobalConfig(); |
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void SetPriorityBusy(TInt aWgId); |
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void SetPriorityNormal(TInt aWgId); |
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void SetPriorityHigh(TInt aWgId); |
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TInt GetFreeMemory(); |
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void RunCloseAppActions(TInt aMaxPriority); |
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CGOomWindowGroupList * GetWindowGroupList() const; |
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TBool IsSafeToProcessNewRequest(TUint aClientId); |
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void SetActiveClient(TInt aClientId) |
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{ |
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iActiveClientId = aClientId; |
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} |
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TInt ActiveClientId() |
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{ |
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return iActiveClientId; |
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} |
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TInt ForegroundAppUid() |
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{ |
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return iForegroundAppUid; |
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} |
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void SessionInCriticalAllocation(TBool aPostponeMemGood, TUint aClientId) |
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{ |
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FUNC_LOG; |
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TInt oldCount = iClientsRequestingMemory.Count(); |
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if (aPostponeMemGood) |
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{ |
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if(iClientsRequestingMemory.Find(aClientId) == KErrNotFound) |
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iClientsRequestingMemory.Append(aClientId); |
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TRACES2("SessionInCriticalAllocation : STARTING Critical Allocations for Client %x, ClientsRequestingMemory Count %d", aClientId, iClientsRequestingMemory.Count()); |
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} |
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else |
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{ |
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TInt idx = iClientsRequestingMemory.Find(aClientId); |
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if(idx != KErrNotFound) |
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{ |
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iClientsRequestingMemory.Remove(idx); |
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TRACES2("SessionInCriticalAllocation : ENDING Critical Allocations for Client %x, ClientsRequestingMemory Count %d", aClientId, iClientsRequestingMemory.Count()); |
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} |
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} |
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TRACES1("SessionInCriticalAllocation : ClientsRequestingMemory Count %d", iClientsRequestingMemory.Count()); |
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if (oldCount && iClientsRequestingMemory.Count() == 0) |
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{ |
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DoPostponedMemoryGood(); |
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} |
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|
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} |
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|
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void DoPostponedMemoryGood(); |
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|
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TBool NeedToPostponeMemGood() |
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{ |
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return (iClientsRequestingMemory.Count() != 0); |
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} |
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|
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void WaitAndSynchroniseMemoryState(); |
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void SynchroniseMemoryState(); |
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|
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private: |
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CMemoryMonitor(); |
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void ConstructL(); |
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TBool FreeGraphicsMemoryAboveThresholdL(TInt& aCurrentFreeMemory); |
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void CloseNextApp(); |
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void RefreshThresholds(TInt aForegroundAppUid = KErrNotFound); |
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void StartFreeSomeRamL(TInt aTargetFree, TInt aMaxPriority, TGOomTrigger aTrigger); |
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void AppClosePriorityChanged(TInt aWgId, TInt aPriority); |
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void ResetTargets(TInt aTarget = 0); |
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|
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public: |
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// All members are owned |
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// generally useful sessions |
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RFs iFs; |
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RWsSession iWs; |
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|
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private: //data |
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|
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// parameters for GOOM watcher. |
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TInt iLowThreshold; |
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TInt iGoodThreshold; |
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TInt iCurrentTarget; |
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|
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// event receivers |
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CWservEventReceiver* iWservEventReceiver; |
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|
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/** |
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* The Memory Monitor Server |
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* Own. |
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*/ |
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CMemoryMonitorServer* iServer; |
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|
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#ifdef _DEBUG |
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/** |
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* GOom logging tool - samples free memory for profiling |
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* Own. |
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*/ |
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CGOomLogger* iLogger; |
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#endif |
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|
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/** |
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* A list of window group Ids, with child window groups removed such that there is one Id per application |
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* Own. |
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*/ |
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CGOomWindowGroupList* iGOomWindowGroupList; |
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|
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/** |
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* The object responsible for identifying the best actions to run, and running them |
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* Own. |
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*/ |
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CGOomActionList* iGOomActionList; |
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|
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/** |
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* The entire GOom Monitor configuration |
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* Own. |
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*/ |
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CGOomConfig* iConfig; |
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|
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// resource profiling extension function ptr |
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NOK_resource_profiling eglQueryProfilingData; |
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|
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TInt iActiveClientId; |
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// could use pointer array |
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CGoomThresholdCrossed* iMemAllocationsGrowing; |
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CGoomThresholdCrossed* iMemAllocationsGoingDown; |
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TInt iForegroundAppUid; |
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|
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RArray<TUint> iClientsRequestingMemory; |
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|
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TGOomTrigger iTrigger; |
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CGOomSynchTimer* iSynchTimer; |
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}; |
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NONSHARABLE_CLASS(CGOomSynchTimer) : public CTimer |
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{ |
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public: |
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static CGOomSynchTimer* NewL(CMemoryMonitor& aMonitor); |
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private: |
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CMemoryMonitor& iMonitor; |
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CGOomSynchTimer(CMemoryMonitor& aMonitor); |
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void RunL(); |
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}; |
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#endif /*GOOMMEMORYMONITOR_H*/ |