homework-jianmu/include/util/tfunctional.h

57 lines
1.7 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _TD_UTIL_FUNCTIONAL_H_
#define _TD_UTIL_FUNCTIONAL_H_
#include "os.h"
#ifdef __cplusplus
extern "C" {
#endif
// TODO: hard to use, trying to rewrite it using va_list
typedef void* (*GenericVaFunc)(void* args[]);
typedef int32_t (*I32VaFunc)(void* args[]);
typedef void (*VoidVaFunc)(void* args[]);
typedef struct GenericSavedFunc {
GenericVaFunc func;
void* args[];
} tGenericSavedFunc;
typedef struct I32SavedFunc {
I32VaFunc func;
void* args[];
} tI32SavedFunc;
typedef struct VoidSavedFunc {
VoidVaFunc func;
void* args[];
} tVoidSavedFunc;
tGenericSavedFunc* genericSavedFuncInit(GenericVaFunc func, int32_t numOfArgs);
tI32SavedFunc* i32SavedFuncInit(I32VaFunc func, int32_t numOfArgs);
tVoidSavedFunc* voidSavedFuncInit(VoidVaFunc func, int32_t numOfArgs);
void* genericInvoke(tGenericSavedFunc* const pSavedFunc);
int32_t i32Invoke(tI32SavedFunc* const pSavedFunc);
void voidInvoke(tVoidSavedFunc* const pSavedFunc);
#ifdef __cplusplus
}
#endif
#endif /*_TD_UTIL_FUNCTIONAL_H_*/