author | hgs |
Fri, 14 May 2010 18:19:45 -0500 | |
changeset 20 | b67dd1fc57c5 |
parent 12 | 5a06f39ad45b |
child 25 | 6f7ceef7b1d1 |
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: |
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* |
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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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|
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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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|
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static XAThreadSafetyImpl* threadSafety; |
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|
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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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|
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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,sizeof(XAThreadSafetyImpl)); |
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if ( !threadSafety ) |
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{ |
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DEBUG_ERR("XA_RESULT_MEMORY_FAILURE"); |
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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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|
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threadSafety->tsEnabled = tsEnable; |
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|
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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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} |
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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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|
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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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/* |
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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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|
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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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99 |
{ |
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DEBUG_INFO("Thread safety: disabled."); |
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} |
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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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|
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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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} |
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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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|
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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_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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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_TryLock"); |
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return ret; |
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} |
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