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// Copyright (c) 2006-2010 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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// Purpose: Kernel-side tracking of process state
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//
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//
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#ifndef D_PROCESS_TRACKER_H
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#define D_PROCESS_TRACKER_H
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#include "d_target_process.h"
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// The global class which tracks all debugged processes.
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//
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// Note that multiple debug agents may attach to a process,
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// as the security server will ensure only one is an 'active'
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// agent, preventing conflicts. Other agents will be 'passive',
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// typically interested only in recording events.
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//
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// The above requirement generates the requirement for the class
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// to track the agent IDs, as multiple debug agents may be interested
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// in a process.
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class DProcessTracker : public DBase
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{
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public:
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DProcessTracker();
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~DProcessTracker();
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TInt AttachProcess(const TDesC8& aProcessName, TUint64 aAgentId);
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TInt DetachProcess(const TDesC8& aProcessName, TUint64 aAgentId);
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TInt DetachAgent(TUint64 aAgentId);
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DTargetProcess* FindProcess(const TDesC8& aProcessName) const;
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DTargetProcess* FuzzyFindProcess(const TDesC8& aProcessName);
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DDebugAgent* GetCurrentAgentAttachedToAll() const;
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DDebugAgent* FindAgentForProcessAndId(const TDesC8& aProcessName, TUint64 aAgentId) const;
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TBool NotifyAgentsForProcessEvent(const TDesC8& aProcessName, const TDriverEventInfo& aEvent, TBool aAllowFuzzy=EFalse);
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TInt SuspendThread(DThread* aTargetThread, TBool aFreezeThread=EFalse);
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TInt ResumeThread(DThread* aTargetThread);
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void FSWait();
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TInt ResumeFrozenThread(DThread* aThread);
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TInt FreezeThread();
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private:
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TInt RemoveSuspendedThread(DThread* aThread);
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TInt AddSuspendedThread(DThread* aThread);
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const TDesC8* GetFileName(DThread* aThread) const;
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private:
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RPointerArray<DTargetProcess> iProcesses;
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RPointerArray<DDebugAgent> iAgentsAttachedToAll;
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RPointerArray<NFastSemaphore> iFrozenThreadSemaphores;
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};
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// static global object
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extern DProcessTracker TheDProcessTracker;
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#endif // D_PROCESS_TRACKER_H
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