common_smp/src/tx_thread_entry_exit_notify.c


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/**************************************************************************/
/*                                                                        */
/*       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                                                     */
/**                                                                       */
/**   Thread                                                              */
/**                                                                       */
/**************************************************************************/
/**************************************************************************/

#define TX_SOURCE_CODE


/* Include necessary system files.  */

#include "tx_api.h"
#include "tx_trace.h"
#include "tx_thread.h"


/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _tx_thread_entry_exit_notify                        PORTABLE C      */
/*                                                           6.1          */
/*  AUTHOR                                                                */
/*                                                                        */
/*    William E. Lamie, Microsoft Corporation                             */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function registers an application entry/exit notification      */
/*    callback routine for the application. Once registered, the callback */
/*    routine is called when the thread is initially entered and called   */
/*    again when the thread completes or is terminated.                   */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    thread_ptr                            Pointer to thread             */
/*    thread_entry_exit_notify              Pointer to notify callback    */
/*                                            function, TX_NULL to disable*/
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    status                                Service return status         */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    None                                                                */
/*                                                                        */
/*  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  _tx_thread_entry_exit_notify(TX_THREAD *thread_ptr, VOID (*thread_entry_exit_notify)(TX_THREAD *notify_thread_ptr, UINT id))
{

#ifdef TX_DISABLE_NOTIFY_CALLBACKS

    TX_THREAD_NOT_USED(thread_ptr);
    TX_THREAD_ENTRY_EXIT_NOTIFY_NOT_USED(thread_entry_exit_notify);

    /* Feature is not enabled, return error.  */
    return(TX_FEATURE_NOT_ENABLED);
#else

TX_INTERRUPT_SAVE_AREA


    /* Disable interrupts.  */
    TX_DISABLE

    /* Make entry in event log.  */
    TX_TRACE_IN_LINE_INSERT(TX_TRACE_THREAD_ENTRY_EXIT_NOTIFY, thread_ptr, thread_ptr -> tx_thread_state, 0, 0, TX_TRACE_THREAD_EVENTS)

    /* Make entry in event log.  */
    TX_EL_THREAD_ENTRY_EXIT_NOTIFY_INSERT

    /* Setup thread entry/exit notification callback function.  */
    thread_ptr -> tx_thread_entry_exit_notify =  thread_entry_exit_notify;

    /* Restore interrupts.  */
    TX_RESTORE

    /* Return success to caller.  */
    return(TX_SUCCESS);
#endif
}