92 lines
4.1 KiB
C
92 lines
4.1 KiB
C
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/******************************************************************************
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*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*****************************************************************************
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* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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*/
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#ifndef IMPD_ERROR_HANDLER_H
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#define IMPD_ERROR_HANDLER_H
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/*****************************************************************************/
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/* File includes */
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/*****************************************************************************/
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/* these definitions are used by error handling function */
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/* the error handler will work on a structure which identifies a */
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/* particular error with a module, context and error_code */
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/* within error_code, MSB identifies FATAL (1), NONFATAL (0) */
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/* next 4 ms_bs identify a class of error */
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/*****************************************************************************/
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/* Constant hash defines */
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/*****************************************************************************/
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#define IA_ERROR_NON_FATAL_IDX 0x0
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#define IA_ERROR_FATAL_IDX 0x1
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#define IA_ERROR_CLASS_0 0x0
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#define IA_ERROR_CLASS_1 0x1
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#define IA_ERROR_CLASS_2 0x2
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#define IA_ERROR_CLASS_3 0x3
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#define IA_ERROR_CLASS_4 0x4
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#define IA_ERROR_CLASS_5 0x5
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#define IA_ERROR_CLASS_6 0x6
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#define IA_ERROR_CLASS_7 0x7
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#define IA_ERROR_CLASS_8 0x8
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#define IA_ERROR_CLASS_9 0x9
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#define IA_ERROR_CLASS_A 0xA
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#define IA_ERROR_CLASS_B 0xB
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#define IA_ERROR_CLASS_C 0xC
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#define IA_ERROR_CLASS_D 0xD
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#define IA_ERROR_CLASS_E 0xE
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#define IA_ERROR_CLASS_F 0xF
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/* each module, hence, needs to copy the following structure */
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/* the first index is for FATAL/NONFATAL */
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/* the second index is for the classes */
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/* then in a module specific initialization, fill in the following */
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/* structure with the pointers to the particular error message arrays */
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/*****************************************************************************/
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/* Type definitions */
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/*****************************************************************************/
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typedef struct {
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pWORD8 pb_module_name;
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pWORD8 ppb_class_names[16];
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WORD8 **ppppb_error_msg_pointers[2][16];
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} ia_error_info_struct;
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/*****************************************************************************/
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/* Function prototypes */
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/*****************************************************************************/
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/* this error handler maps the code generated by a module to a error string */
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/* pb_context is a string to specify where the module broke */
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IA_ERRORCODE ia_error_handler(ia_error_info_struct *p_mod_err_info,
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WORD8 *pb_context, IA_ERRORCODE code);
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/*****************************************************************************/
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/* Macro functions */
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/*****************************************************************************/
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/* the following macro does a line job of returning back to the parent */
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/* in case a fatal error occurs after calling the errorhandler */
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#define _IA_HANDLE_ERROR(p_mod_err_info, context, e) \
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if ((e) != IA_NO_ERROR) { \
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ia_error_handler((p_mod_err_info), (context), (e)); \
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if ((e)&IA_FATAL_ERROR) return (e); \
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}
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#endif
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