// 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