1 /* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef STARTUP_INIT_CONTEXT 17 #define STARTUP_INIT_CONTEXT 18 #include <stdio.h> 19 #include <stdint.h> 20 #include <sys/types.h> 21 22 #include "init_cmds.h" 23 #ifdef __cplusplus 24 #if __cplusplus 25 extern "C" { 26 #endif 27 #endif 28 29 #define MAX_CMD_LEN 512 30 typedef enum { 31 SUB_INIT_STATE_IDLE, 32 SUB_INIT_STATE_STARTING, 33 SUB_INIT_STATE_RUNNING 34 } SubInitState; 35 36 typedef struct { 37 InitContextType type; 38 int sendFd; 39 int recvFd; 40 pid_t subPid; 41 SubInitState state; 42 } SubInitInfo; 43 44 typedef struct { 45 InitContextType type; 46 int (*startSubInit)(InitContextType type); 47 void (*stopSubInit)(pid_t pid); 48 int (*executeCmdInSubInit)(InitContextType type, const char *, const char *); 49 int (*setSubInitContext)(InitContextType type); 50 } SubInitContext; 51 52 int StartSubInit(InitContextType type); 53 int InitSubInitContext(InitContextType type, const SubInitContext *context); 54 #ifdef STARTUP_INIT_TEST 55 SubInitInfo *GetSubInitInfo(InitContextType type); 56 #endif 57 58 typedef struct { 59 int socket[2]; 60 InitContextType type; 61 } SubInitForkArg; 62 pid_t SubInitFork(int (*childFunc)(const SubInitForkArg *arg), const SubInitForkArg *args); 63 64 #ifdef __cplusplus 65 #if __cplusplus 66 } 67 #endif 68 #endif 69 #endif