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PProvost
2020-05-11 08:55:07 -06:00
commit 852421fda0
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common/src/tx_thread_stack_error_notify.c Normal file
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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_thread.h"
#ifdef TX_ENABLE_STACK_CHECKING
#include "tx_trace.h"
#endif
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_stack_error_notify PORTABLE C */
/* 6.0 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function registers an application stack error handler. If */
/* ThreadX detects a stack error, this application handler is called. */
/* */
/* Note: stack checking must be enabled for this routine to serve any */
/* purpose via the TX_ENABLE_STACK_CHECKING define. */
/* */
/* INPUT */
/* */
/* stack_error_handler Pointer to stack error */
/* handler, 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 */
/* */
/**************************************************************************/
UINT _tx_thread_stack_error_notify(VOID (*stack_error_handler)(TX_THREAD *thread_ptr))
{
#ifndef TX_ENABLE_STACK_CHECKING
UINT status;
/* Access input argument just for the sake of lint, MISRA, etc. */
if (stack_error_handler != TX_NULL)
{
/* Stack checking is not enabled, just return an error. */
status = TX_FEATURE_NOT_ENABLED;
}
else
{
/* Stack checking is not enabled, just return an error. */
status = TX_FEATURE_NOT_ENABLED;
}
/* Return completion status. */
return(status);
#else
TX_INTERRUPT_SAVE_AREA
/* Disable interrupts. */
TX_DISABLE
/* Make entry in event log. */
TX_TRACE_IN_LINE_INSERT(TX_TRACE_THREAD_STACK_ERROR_NOTIFY, 0, 0, 0, 0, TX_TRACE_THREAD_EVENTS)
/* Make entry in event log. */
TX_EL_THREAD_STACK_ERROR_NOTIFY_INSERT
/* Setup global thread stack error handler. */
_tx_thread_application_stack_error_handler = stack_error_handler;
/* Restore interrupts. */
TX_RESTORE
/* Return success to caller. */
return(TX_SUCCESS);
#endif
}