/***************************************************************************
 * Copyright (c) 2024 Microsoft Corporation 
 * 
 * This program and the accompanying materials are made available under the
 * terms of the MIT License which is available at
 * https://opensource.org/licenses/MIT.
 * 
 * SPDX-License-Identifier: MIT
 **************************************************************************/


/**************************************************************************/
/**************************************************************************/
/**                                                                       */
/** ThreadX Component                                                     */
/**                                                                       */
/**   Semaphore                                                           */
/**                                                                       */
/**************************************************************************/
/**************************************************************************/

#define TX_SOURCE_CODE


/* Include necessary system files.  */

#include "tx_api.h"
#include "tx_semaphore.h"


/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _tx_semaphore_prioritize                            PORTABLE C      */
/*                                                           6.1          */
/*  AUTHOR                                                                */
/*                                                                        */
/*    William E. Lamie, Microsoft Corporation                             */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function checks for errors in the semaphore prioritize call.   */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    semaphore_ptr                     Pointer to semaphore control block*/
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    status                            Completion status                 */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    _tx_semaphore_prioritize          Actual semaphore prioritize       */
/*                                        function                        */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    Application Code                                                    */
/*                                                                        */
/*  RELEASE HISTORY                                                       */
/*                                                                        */
/*    DATE              NAME                      DESCRIPTION             */
/*                                                                        */
/*  05-19-2020     William E. Lamie         Initial Version 6.0           */
/*  09-30-2020     Yuxin Zhou               Modified comment(s),          */
/*                                            resulting in version 6.1    */
/*                                                                        */
/**************************************************************************/
UINT  _txe_semaphore_prioritize(TX_SEMAPHORE *semaphore_ptr)
{

UINT    status;


    /* Check for an invalid semaphore pointer.  */
    if (semaphore_ptr == TX_NULL)
    {

        /* Semaphore pointer is invalid, return appropriate error code.  */
        status =  TX_SEMAPHORE_ERROR;
    }

    /* Now check for a valid semaphore ID.  */
    else if (semaphore_ptr -> tx_semaphore_id != TX_SEMAPHORE_ID)
    {

        /* Semaphore pointer is invalid, return appropriate error code.  */
        status =  TX_SEMAPHORE_ERROR;
    }
    else
    {

        /* Call actual semaphore prioritize function.  */
        status =  _tx_semaphore_prioritize(semaphore_ptr);
    }

    /* Return completion status.  */
    return(status);
}