author | hgs |
Fri, 11 Jun 2010 19:59:23 -0500 | |
changeset 25 | 6f7ceef7b1d1 |
parent 12 | 5a06f39ad45b |
child 33 | 5e8b14bae8c3 |
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: Thread Safety Implementation |
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* |
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*/ |
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#include <stdlib.h> |
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#include "xathreadsafety.h" |
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typedef struct |
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{ |
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XAImplMutexHandle mutexTable[XATSCount]; |
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XAboolean tsEnabled; |
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} XAThreadSafetyImpl; |
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static XAThreadSafetyImpl* threadSafety; |
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/* |
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* XAresult XAThreadSafety_Init() |
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* Description: Creates mutex table for thread safety support |
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* @return: Success value |
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*/ |
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XAresult XAThreadSafety_Init(XAboolean tsEnable) |
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{ |
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XAresult ret = XA_RESULT_SUCCESS; |
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XAint32 i = 0; |
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DEBUG_API_A1("->XAThreadSafety_Init - tsEnable:%lu",tsEnable); |
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/* Initialize thread safety only once */ |
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if (!threadSafety) |
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{ |
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threadSafety = (XAThreadSafetyImpl *) calloc(1, |
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sizeof(XAThreadSafetyImpl)); |
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if (!threadSafety) |
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{ |
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DEBUG_ERR("XA_RESULT_MEMORY_FAILURE");DEBUG_API("<-XAThreadSafety_Init"); |
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/* memory allocation failed */ |
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return XA_RESULT_MEMORY_FAILURE; |
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} |
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threadSafety->tsEnabled = tsEnable; |
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if (tsEnable) |
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{ |
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for (i = 0; i < XATSCount; i++) |
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{ |
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ret = XAImpl_CreateMutex(&threadSafety->mutexTable[i]); |
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if (ret != XA_RESULT_SUCCESS) |
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{ |
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break; |
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}DEBUG_INFO_A2("Created %s:%x",MEDIAOBJECTNAME(i), threadSafety->mutexTable[i] ); |
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} |
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} |
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else |
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{ |
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DEBUG_INFO("Thread safety: disabled."); |
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} |
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} |
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DEBUG_API("<-XAThreadSafety_Init"); |
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return ret; |
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} |
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/* |
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* XAresult XAThreadSafety_Destroy() |
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* Description: Destroys mutex table created for thread safety support |
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*/ |
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XAresult XAThreadSafety_Destroy() |
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{ |
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XAresult ret = XA_RESULT_SUCCESS; |
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XAint32 i = 0; |
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DEBUG_API("->XAThreadSafety_Destroy"); |
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if (threadSafety) |
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{ |
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if (threadSafety->tsEnabled) |
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{ |
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for (i = 0; i < XATSCount; i++) |
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{ |
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DEBUG_INFO_A2("Free %s:%x",MEDIAOBJECTNAME(i), threadSafety->mutexTable[i] ); |
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XAImpl_DeleteMutex(threadSafety->mutexTable[i]); |
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} |
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} |
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free(threadSafety); |
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} |
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else |
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{ |
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DEBUG_INFO("Thread safety: disabled."); |
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} |
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DEBUG_API("<-XAThreadSafety_Destroy"); |
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return ret; |
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} |
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/* |
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* XAresult XAThreadSafety_Unlock( XAThreadSafetyMediaObjects mediaObject ) |
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* Description: |
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* @param XAThreadSafetyMediaObjects mediaObject |
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* @return |
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*/ |
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XAresult XAThreadSafety_Unlock(XAThreadSafetyMediaObjects mediaObject) |
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{ |
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XAresult ret = XA_RESULT_SUCCESS; |
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DEBUG_API("->XAThreadSafety_Unlock"); |
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if (threadSafety) |
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{ |
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if (threadSafety->tsEnabled) |
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{ |
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ret = XAImpl_UnlockMutex(threadSafety->mutexTable[mediaObject]); |
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if (ret == XA_RESULT_SUCCESS) |
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{ |
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DEBUG_INFO_A2("Released lock for %s:%x",MEDIAOBJECTNAME(mediaObject), threadSafety->mutexTable[mediaObject] ); |
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} |
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} |
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} |
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else |
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{ |
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DEBUG_INFO("Thread safety: disabled."); |
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}DEBUG_API("<-XAThreadSafety_Unlock"); |
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return ret; |
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} |
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/* |
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* XAresult XAThreadSafety_TryLock( XAThreadSafetyMediaObjects mediaObject ); |
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* Description: |
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* @param XAThreadSafetyMediaObjects mediaObject |
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* @return |
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*/ |
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XAresult XAThreadSafety_TryLock(XAThreadSafetyMediaObjects mediaObject) |
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{ |
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XAresult ret = XA_RESULT_SUCCESS; |
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DEBUG_API("->XAThreadSafety_TryLock"); |
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if (threadSafety) |
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{ |
25 | 148 |
if (threadSafety->tsEnabled) |
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{ |
25 | 150 |
ret = XAImpl_TryLockMutex(threadSafety->mutexTable[mediaObject]); |
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if (ret == XA_RESULT_SUCCESS) |
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{ |
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DEBUG_INFO_A2("Locked %s:%x",MEDIAOBJECTNAME(mediaObject), threadSafety->mutexTable[mediaObject] ); |
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} |
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} |
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} |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
157 |
else |
25 | 158 |
{ |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
159 |
DEBUG_INFO("Thread safety: disabled."); |
25 | 160 |
} |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
161 |
|
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
162 |
DEBUG_API("<-XAThreadSafety_TryLock"); |
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
163 |
return ret; |
25 | 164 |
} |
12
5a06f39ad45b
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
165 |