| author | sl |
| Tue, 10 Jun 2014 14:32:02 +0200 | |
| changeset 1 | 260cb5ec6c19 |
| permissions | -rw-r--r-- |
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// Copyright (c) 2008-2009 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 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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// e32\debug\crashMonitor\src\scmlockdata.cpp |
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// some utility classes for writing data to flash buffer |
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// |
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// |
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|
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/** |
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@file |
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@internalTechnology |
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*/ |
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|
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|
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#include <scmdatatypes.h> |
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|
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namespace Debug |
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{
|
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|
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/** |
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* TSCMLockData constructor |
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* @param none |
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*/ |
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TSCMLockData::TSCMLockData() |
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: iId(ESCMLocks) |
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, iMutexHoldCount(-1) |
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, iMutexThreadWaitCount(-1) |
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{
|
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} |
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|
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/** |
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* TSCMLockData Serialize |
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* @param aWriter byte stream to use |
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* @return N/A |
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*/ |
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TInt TSCMLockData::Serialize(TByteStreamWriter& aWriter) |
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{
|
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TInt startPos = aWriter.CurrentPosition(); |
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|
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// ID saved first |
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if(iId != ESCMLocks) |
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{
|
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CLTRACE("TSCMLockData::Serialize Corrupt ID");
|
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return KErrCorrupt; |
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} |
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|
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// write id first |
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aWriter.WriteInt(iId); // 4 |
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// 2 counts written as shorts (should be enough range!) |
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aWriter.WriteShort((TInt16) iMutexHoldCount); // 2 |
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aWriter.WriteShort((TInt16) iMutexThreadWaitCount); // 2 |
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aWriter.WriteShort((TInt16) iLockCount); // 2 |
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|
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|
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TInt endPos = aWriter.CurrentPosition(); |
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if( endPos - startPos != GetSize()) |
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{
|
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// error between actual size & real size in data |
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CLTRACE("TSCMLockData::Serialize serialization size error");
|
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return KErrCorrupt; |
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} |
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|
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return KErrNone; |
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} |
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|
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/** |
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* Reads the classes data from the specified byte stream |
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* @param aReader Byte stream to use |
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* @return void |
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*/ |
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TInt TSCMLockData::Deserialize(TByteStreamReader& aReader) |
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{
|
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TInt startPos = aReader.CurrentPosition(); |
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|
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iId = (SCMStructId)aReader.ReadInt(); // 4 |
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if(iId != ESCMLocks) |
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{
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CLTRACE("TSCMLockData::Deserialize Corrupt ID read");
|
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return KErrCorrupt; |
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} |
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|
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iMutexHoldCount = (TInt) aReader.ReadShort(); |
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iMutexThreadWaitCount = (TInt) aReader.ReadShort(); |
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iLockCount = (TInt) aReader.ReadShort(); |
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|
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|
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TInt endPos = aReader.CurrentPosition(); |
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if( endPos - startPos != GetSize()) |
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{
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CLTRACE("TSCMLockData::Deserialize size error");
|
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return KErrCorrupt; |
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} |
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return KErrNone; |
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} |
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|
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/** |
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* Returns the externalised size of this class |
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* @return TInt size |
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*/ |
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TInt TSCMLockData::GetSize() const |
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{
|
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return KSCMLockDataMaxSize; |
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} |
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|
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/** |
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* MutexHoldCount |
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* @param none |
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* @return mutex hold count |
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*/ |
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TInt TSCMLockData::MutexHoldCount() const |
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{
|
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return iMutexHoldCount; |
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} |
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|
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/** |
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* SetMutexHoldCount |
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* @param |
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* @return |
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*/ |
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void TSCMLockData::SetMutexHoldCount(TInt aMutexHoldCount) |
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{
|
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iMutexHoldCount = aMutexHoldCount; |
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} |
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|
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/** |
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* MutexThreadWaitCount |
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* @param none |
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* @return number of threads waiting on held mutex - will only be valid if |
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* MutexHoldCount > 0 |
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*/ |
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TInt TSCMLockData::MutexThreadWaitCount() const |
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{
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return iMutexThreadWaitCount; |
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} |
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|
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/** |
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* SetMutexThreadWaitCount |
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* @param TInt - number of threads waiting on held mutex(es) |
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* @return void |
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*/ |
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void TSCMLockData::SetMutexThreadWaitCount(TInt aMutexThreadWaitCount) |
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{
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iMutexThreadWaitCount = aMutexThreadWaitCount; |
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} |
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|
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/** |
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* LockCount |
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* @param none |
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* @return TIOnt - the lock count |
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*/ |
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TInt TSCMLockData::LockCount() const |
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{
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return iLockCount; |
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} |
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|
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/** |
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* SetLockCount |
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* @param TInt - number of locks held |
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* @return void |
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*/ |
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void TSCMLockData::SetLockCount(TInt aLockCount) |
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{
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iLockCount = aLockCount; |
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} |
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|
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TBool TSCMLockData::operator == (const TSCMLockData& aOther) const |
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{
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return ( iId == aOther.iId && |
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iMutexHoldCount == aOther.iMutexHoldCount && |
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iMutexThreadWaitCount == aOther.iMutexThreadWaitCount && |
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iLockCount == aOther.iLockCount ); |
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} |
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|
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TBool TSCMLockData::operator != (const TSCMLockData& aOther) const |
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{
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return !(*this == aOther); |
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} |
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} |
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|
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