author | andy simpson <andrews@symbian.org> |
Fri, 17 Sep 2010 17:50:04 +0100 | |
branch | RCL_3 |
changeset 61 | b670675990af |
parent 0 | e4d67989cc36 |
permissions | -rw-r--r-- |
0
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// Copyright (c) 2005-2009 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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// Name : pthread_getschedparam.cpp |
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// Part of : PThread library |
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// pthread_getschedparam call implementation. |
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// Version: |
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// |
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#include <pthread.h> |
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#include <errno.h> |
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#include "threadglobals.h" |
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#include "threadcreate.h" |
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#include "pthreadmisc.h" |
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EXPORT_C int pthread_getschedparam(pthread_t thr, int *policy, |
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struct sched_param *param) |
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{ |
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_global_data_t *glbPtr; |
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_pthread_node_t *tempPtr; |
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_pthread_node_t *selfNodePtr; |
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_pthread_node_t *thHandle; |
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THR_PRINTF("[pthread] Begin pthread_getschedparam\n"); |
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//Get the TLS value (self node pointer) |
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selfNodePtr = (_pthread_node_t*) _pthread_getTls(); |
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//coverity[var_compare_op] |
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if (NULL == selfNodePtr) |
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{ |
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THR_PRINTF("[pthread] FATAL :TLS is not initialized \n"); |
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THR_PRINTF("[pthread] Terminating the process\n"); |
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RProcess rp; |
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rp.Kill(0); // Terminate the process |
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} |
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thHandle = (_pthread_node_t *)thr; |
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if (selfNodePtr == thHandle) // Self thread |
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{ |
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glbPtr = selfNodePtr->glbDataPtr; // point to global struct |
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glbPtr->lockThreadTable.Wait(); // Acquire the thread table lock |
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selfNodePtr->lockNode.Wait(); |
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param->sched_priority = selfNodePtr->priority; |
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*policy = SCHED_RR; |
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selfNodePtr->lockNode.Signal(); |
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glbPtr->lockThreadTable.Signal(); // Release thread table lock |
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THR_PRINTF("[pthread] End of pthread_getschedparam\n"); |
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return 0; |
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} |
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//coverity[var_deref_op] |
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glbPtr = selfNodePtr->glbDataPtr; // point to global struct |
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glbPtr->lockThreadTable.Wait(); // Acquire the thread table lock |
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// Traverse through the list, till destination node is reached |
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for (tempPtr = glbPtr->start; |
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((tempPtr != thHandle) && (tempPtr != NULL)); |
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tempPtr = tempPtr->next) |
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{ |
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; //Empty loop |
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} |
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if (NULL == tempPtr) // Not found; |
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{ |
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THR_PRINTF("[pthread] End of pthread_getschedparam"); |
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glbPtr->lockThreadTable.Signal(); //release global lock |
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return ESRCH; |
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} |
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thHandle->lockNode.Wait(); // Acquire the node lock |
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param->sched_priority = thHandle->priority; |
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*policy = SCHED_RR; |
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thHandle->lockNode.Signal(); |
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glbPtr->lockThreadTable.Signal(); // release thread table lock |
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THR_PRINTF("[pthread] End pthread_getschedparam\n"); |
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return 0; |
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} |
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// End of File |
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