1 /* 2 * Copyright (c) 2021 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 SERVICE_WATCH_API_H 17 #define SERVICE_WATCH_API_H 18 19 #include <unistd.h> 20 #include "init_param.h" 21 #include "service_control.h" 22 23 #ifdef __cplusplus 24 #if __cplusplus 25 extern "C" { 26 #endif 27 #endif 28 29 #define INVALID_PID 0 30 31 typedef struct { 32 ServiceStatus status; 33 pid_t pid; 34 } ServiceInfo; 35 36 typedef void (*ServiceStatusChangePtr)(const char *key, const ServiceInfo *serviceInfo); 37 int ServiceWatchForStatus(const char *serviceName, ServiceStatusChangePtr changeCallback); 38 39 #ifdef __cplusplus 40 #if __cplusplus 41 } 42 #endif 43 #endif 44 #endif 45