1 /*
2  * Copyright (c) 2023 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 #include "util/ffrt_facade.h"
16 #include "dfx/log/ffrt_log_api.h"
17 
18 namespace {
19 std::atomic<bool> g_exitFlag { false };
20 std::shared_mutex g_exitMtx;
21 }
22 
23 namespace ffrt {
GetExitFlag()24 bool GetExitFlag()
25 {
26     return g_exitFlag.load();
27 }
28 
GetExitMtx()29 std::shared_mutex& GetExitMtx()
30 {
31     return g_exitMtx;
32 }
33 
34 class ProcessExitManager {
35 public:
Instance()36     static ProcessExitManager& Instance()
37     {
38         static ProcessExitManager instance;
39         return instance;
40     }
41 
42     ProcessExitManager(const ProcessExitManager&) = delete;
43     ProcessExitManager& operator=(const ProcessExitManager&) = delete;
44 
45 private:
ProcessExitManager()46     ProcessExitManager() {}
47 
~ProcessExitManager()48     ~ProcessExitManager()
49     {
50         FFRT_LOGW("ProcessExitManager destruction enter");
51         std::unique_lock lock(g_exitMtx);
52         g_exitFlag.store(true);
53     }
54 };
55 
FFRTFacade()56 FFRTFacade::FFRTFacade()
57 {
58     DependenceManager::Instance();
59     ProcessExitManager::Instance();
60     InitWhiteListFlag();
61 }
62 } // namespace FFRT