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banban/ql-kernel/threadx/common/include/callback.h
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C

/**
******************************************************************************
* @file callback.h
* @author Chavis.Chen
* @version V1.0.0
* @date 26-Sep-2018
* @brief This file contains the common definitions, macros and functions to
* be shared throughout the project.
******************************************************************************
*
* The MIT License
* Copyright (c) 2014 QUECTEL Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is furnished
* to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
* IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
******************************************************************************
*/
#ifndef _CALLBACK_H
#define _CALLBACK_H
#include "quec_event_def.h"
typedef int (* callback_t)(void * user_argv, void * argv);
typedef struct {
callback_t cb[REGISTER_MAX_NUM_FOR_EACH_EVENT]; /* save the callback functions that have been registered */
unsigned int count; /* save the number of the callback functions that have been registered */
void * user_argv[REGISTER_MAX_NUM_FOR_EACH_EVENT]; /* save the user specified arguement */
} callback_s;
extern callback_s callback[EVENT_MAX]; /* save the register info of every single callback function */
extern QuecOSStatus callback_register( quec_event_t event, callback_t cb_fn, void * user_argv ); /* callback register */
extern QuecOSStatus callback_execute( quec_event_t event, void * argv ); /* callback execute for every single event */
extern QuecOSStatus callback_unregister( quec_event_t event, callback_t cb_fn ); /* callback unregister */
#endif