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 #include "broadcast_sender.h"
17 #include <memory>
18 #include "broadcast_sender_impl.h"
19 
20 namespace OHOS::DistributedKv {
21 std::shared_ptr<BroadcastSender> BroadcastSender::instance_;
22 std::mutex BroadcastSender::mutex_;
GetInstance()23 std::shared_ptr<BroadcastSender> BroadcastSender::GetInstance()
24 {
25     if (instance_ == nullptr) {
26         std::lock_guard<std::mutex> lock(mutex_);
27         if (instance_ == nullptr) {
28             instance_ = std::make_shared<BroadcastSenderImpl>();
29         }
30     }
31     return instance_;
32 }
33 } // namespace OHOS::DistributedKv
34