/**************************************************************************/
/*                                                                        */
/*       Copyright (c) Microsoft Corporation. All rights reserved.        */
/*                                                                        */
/*       This software is licensed under the Microsoft Software License   */
/*       Terms for Microsoft Azure RTOS. Full text of the license can be  */
/*       found in the LICENSE file at https://aka.ms/AzureRTOS_EULA       */
/*       and in the root directory of this software.                      */
/*                                                                        */
/**************************************************************************/


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

#define TX_SOURCE_CODE


/* Include necessary system files.  */

#include "tx_api.h"
#include "tx_semaphore.h"
#ifdef TX_SEMAPHORE_ENABLE_PERFORMANCE_INFO
#include "tx_trace.h"
#endif


/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _tx_semaphore_performance_info_get                  PORTABLE C      */
/*                                                           6.0          */
/*  AUTHOR                                                                */
/*                                                                        */
/*    William E. Lamie, Microsoft Corporation                             */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function retrieves performance information from the specified  */
/*    semaphore.                                                          */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    semaphore_ptr                     Pointer to semaphore control block*/
/*    puts                              Destination for the number of     */
/*                                        puts on to this semaphore       */
/*    gets                              Destination for the number of     */
/*                                        gets on this semaphore          */
/*    suspensions                       Destination for the number of     */
/*                                        suspensions on this semaphore   */
/*    timeouts                          Destination for number of timeouts*/
/*                                        on this semaphore               */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    status                            Completion status                 */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    None                                                                */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    Application Code                                                    */
/*                                                                        */
/*  RELEASE HISTORY                                                       */
/*                                                                        */
/*    DATE              NAME                      DESCRIPTION             */
/*                                                                        */
/*  05-19-2020     William E. Lamie         Initial Version 6.0           */
/*                                                                        */
/**************************************************************************/
UINT  _tx_semaphore_performance_info_get(TX_SEMAPHORE *semaphore_ptr, ULONG *puts, ULONG *gets,
                    ULONG *suspensions, ULONG *timeouts)
{

#ifdef TX_SEMAPHORE_ENABLE_PERFORMANCE_INFO

TX_INTERRUPT_SAVE_AREA
UINT                    status;


    /* Determine if this is a legal request.  */
    if (semaphore_ptr == TX_NULL)
    {
        
        /* Semaphore pointer is illegal, return error.  */
        status =  TX_PTR_ERROR;
    }
    
    /* Determine if the semaphore ID is invalid.  */
    else if (semaphore_ptr -> tx_semaphore_id != TX_SEMAPHORE_ID)
    {
        
        /* Semaphore pointer is illegal, return error.  */
        status =  TX_PTR_ERROR;
    }
    else
    {

        /* Disable interrupts.  */
        TX_DISABLE

        /* If trace is enabled, insert this event into the trace buffer.  */
        TX_TRACE_IN_LINE_INSERT(TX_TRACE_SEMAPHORE_PERFORMANCE_INFO_GET, semaphore_ptr, 0, 0, 0, TX_TRACE_SEMAPHORE_EVENTS)

        /* Log this kernel call.  */
        TX_EL_SEMAPHORE_PERFORMANCE_INFO_GET_INSERT

        /* Retrieve all the pertinent information and return it in the supplied
           destinations.  */

        /* Retrieve the number of puts on this semaphore.  */
        if (puts != TX_NULL)
        {
    
            *puts =  semaphore_ptr -> tx_semaphore_performance_put_count;
        }
    
        /* Retrieve the number of gets on this semaphore.  */
        if (gets != TX_NULL)
        {
    
            *gets =  semaphore_ptr -> tx_semaphore_performance_get_count;
        }
    
        /* Retrieve the number of suspensions on this semaphore.  */
        if (suspensions != TX_NULL)
        {
    
            *suspensions =  semaphore_ptr -> tx_semaphore_performance_suspension_count;
        }
    
        /* Retrieve the number of timeouts on this semaphore.  */
        if (timeouts != TX_NULL)
        {
    
            *timeouts =  semaphore_ptr -> tx_semaphore_performance_timeout_count;
        }
    
        /* Restore interrupts.  */
        TX_RESTORE

        /* Return successful completion.  */
        status =  TX_SUCCESS;
    }
#else
UINT                    status;


    /* Access input arguments just for the sake of lint, MISRA, etc.  */
    if (semaphore_ptr != TX_NULL)
    {
    
        /* Not enabled, return error.  */
        status =  TX_FEATURE_NOT_ENABLED;
    }
    else if (puts != TX_NULL)
    {
    
        /* Not enabled, return error.  */
        status =  TX_FEATURE_NOT_ENABLED;
    }
    else if (gets != TX_NULL)
    {
    
        /* Not enabled, return error.  */
        status =  TX_FEATURE_NOT_ENABLED;
    }
    else if (suspensions != TX_NULL)
    {
    
        /* Not enabled, return error.  */
        status =  TX_FEATURE_NOT_ENABLED;
    }
    else if (timeouts != TX_NULL)
    {
    
        /* Not enabled, return error.  */
        status =  TX_FEATURE_NOT_ENABLED;
    }
    else
    {
    
        /* Not enabled, return error.  */
        status =  TX_FEATURE_NOT_ENABLED;
    }
#endif

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

