1 /*
2  * Copyright (c) 2024-2024 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 POWERMGR_UTILS_LIB_LOADER_LIBRARY_LOADER_H
17 #define POWERMGR_UTILS_LIB_LOADER_LIBRARY_LOADER_H
18 
19 #include <dlfcn.h>
20 #include <string>
21 #include <nocopyable.h>
22 
23 namespace OHOS {
24 namespace PowerMgr {
25 class LibraryLoader : public NoCopyable {
26 public:
27     explicit LibraryLoader(const std::string& libPath, int32_t flags = RTLD_LAZY | RTLD_NODELETE);
28     virtual ~LibraryLoader() noexcept;
29     void* LoadInterface(const char* symbolName);
30 
31 private:
32     const std::string libPath_;
33     void* libHandle_ {nullptr};
34 };
35 
36 } // namespace PowerMgr
37 } // namespace OHOS
38 
39 #endif // POWERMGR_UTILS_LIB_LOADER_LIBRARY_LOADER_H