// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of "Eclipse Public License v1.0"
// which accompanies this distribution, and is available
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
//
// Initial Contributors:
// Nokia Corporation - initial contribution.
//
// Contributors:
//
// Description:
// Name : pthread_exit.cpp
// Part of : PThread library
// pthread_exit call is implemented.
// Version:
//
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <e32base.h>
#include "threadglobals.h"
#include "pthreadmisc.h"
#define THREAD_COUNT_ONE 1
EXPORT_C void pthread_exit(void *retValPtr)
{
_global_data_t *glbPtr;
_pthread_node_t *tempPtr;
_pthread_node_t *selfNodePtr;
THR_PRINTF("[pthread] Begin pthread_exit\n");
//Get the TLS value (self node pointer)
selfNodePtr = (_pthread_node_t*) _pthread_getTls();
//coverity[var_compare_op]
if (NULL == selfNodePtr) // This should never happen
{
THR_PRINTF("[pthread] FATAL :TLS is not initialized \n");
THR_PRINTF("[pthread] Terminating the process\n");
RProcess rp;
rp.Kill(0); // Terminate the process
}
//coverity[var_deref_op]
if (_MAIN_THREAD == selfNodePtr->mainFlag)
{
// Make the main thread non critical, so that the process does not
// terminate, after main exits with pthread_exit()
User::SetCritical(User::ENotCritical);
}
glbPtr = selfNodePtr->glbDataPtr; // point to global struct
// Call destructors for TLS keys
_pthread_destroyKeys(glbPtr,selfNodePtr);
glbPtr->lockThreadTable.Wait(); // Acquire the thread table lock
// Traverse through the list, till destination node is reached
for (tempPtr = glbPtr->start;
((tempPtr != selfNodePtr) && (tempPtr != NULL));
tempPtr = tempPtr->next)
{
; // Empty loop
}
if (NULL == tempPtr) // Not found;
{
THR_PRINTF("[pthread] FATAL :thread node not found \n");
THR_PRINTF("[pthread] Terminating the process\n");
RProcess rp;
rp.Kill(0); // Terminate the process
}
selfNodePtr->lockNode.Wait(); // Acquire the node lock
selfNodePtr->returnValue = retValPtr; // Store the return val
//added to solve memoryleak
CTrapCleanup* pCleanup = (CTrapCleanup*)selfNodePtr->cleanStackPtr;
selfNodePtr->cleanStackPtr = NULL;
// Check the thread count and if it becoming zero then terminate process
--(glbPtr->threadCount); // Update the thread count
if (THREAD_COUNT_ZERO == glbPtr->threadCount)
{
THR_PRINTF("[pthread] Terminating the process\n");
// Terminate the process by calling exit(0)
exit(0);
/*
RProcess rp;
rp.Kill(0);*/
// Free the cleanup stack
delete pCleanup;
}
if (PTHREAD_CREATE_DETACHED == selfNodePtr->detachState)
{
// Delete the Node;
_pthread_deleteNode(selfNodePtr, glbPtr, NULL);
// It also unlocks the node aswell unlocks the thread table lock
}
else
{
selfNodePtr->threadState = _THREAD_ZOMBIE;
selfNodePtr->lockNode.Signal(); // Unlock the node
glbPtr->lockThreadTable.Signal(); // release thread table lock
}
// Free the cleanup stack
delete pCleanup;
//Terminate the current thread
THR_PRINTF("[pthread] Terminating the current thread\n");
/*
"RThread.Kill cannot be used to terminate the thread in question because the thread uses a shared heap and
RThread.Kill will cause the internal array used for thread-local storage(TLS) to be leaked only on specific ARM platforms
which implement the CP15 feature."
*/
User::Exit(0);
}
// End of file