// 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_attr_setschedparam.cpp

// Part of  : PThread library

// pthread_attr_setschedparam call implementation.

// Version:

//

#include <pthread.h>

#include <errno.h>

#include "threadglobals.h"

#include "threadcreate.h"

EXPORT_C int pthread_attr_setschedparam(pthread_attr_t *attrib, 

                                        const struct sched_param *param)

{

    THR_PRINTF("[pthread] Begin pthread_attr_setschedparam\n");

    _pthread_attr *thAttrPtr;

    if ((NULL == attrib) || (NULL == param))

    {

        THR_PRINTF("[pthread] End of pthread_attr_setschedparam\n");

        return EINVAL;

    }

    thAttrPtr = (_pthread_attr*) attrib;

    if ((param->sched_priority < MIN_RR_PRIORITY) ||

        (param->sched_priority > MAX_RR_PRIORITY) ||

        (thAttrPtr->sp.sched_priority < MIN_RR_PRIORITY) ||

        (thAttrPtr->sp.sched_priority > MAX_RR_PRIORITY))

    {

        THR_PRINTF("[pthread] End of pthread_attr_setschedparam\n");

        return EINVAL;        

    }

    memcpy (&thAttrPtr->sp, param, sizeof (struct sched_param));

    /*  Mapping POSIX priorities to Symbian Threads priorities 

        POSIX     Symbian

    ---------     ------------------

      0 -  49  => EPriorityMuchLess

     50 -  99  => EPriorityLess

    100 - 149  => EPriorityNormal

    150 - 199  => EPriorityMore

    200 - 255  => EPriorityMuchMore

    */

    switch (param->sched_priority / 50)

    {

        case 0:

            thAttrPtr->priority = EPriorityMuchLess;

            break;

        case 1:

            thAttrPtr->priority = EPriorityLess;

            break;

        case 2:

            thAttrPtr->priority = EPriorityNormal;

            break;

        case 3:

            thAttrPtr->priority = EPriorityMore;

            break;

        default:

            thAttrPtr->priority = EPriorityMuchMore;

            break;                                                

    }

    THR_PRINTF("[pthread] End pthread_attr_setschedparam\n");

    return 0;

}

// End of File