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 #include "tiny_count_down_latch.h"
17 
18 namespace OHOS {
19 namespace NetManagerStandard {
20 
TinyCountDownLatch(int32_t count)21 TinyCountDownLatch::TinyCountDownLatch(int32_t count) : count_(count) {}
22 
CountDown()23 void TinyCountDownLatch::CountDown()
24 {
25     std::unique_lock<std::mutex> lock(mtx_);
26     if (count_ > 0) {
27         --count_;
28         if (count_ == 0) {
29             conditionVar_.notify_all();
30         }
31     }
32 }
33 
Await()34 void TinyCountDownLatch::Await()
35 {
36     std::unique_lock<std::mutex> lock(mtx_);
37     if (count_ > 0) {
38         conditionVar_.wait(lock, [this] {return count_ == 0;});
39     }
40 }
41 
GetCount()42 int32_t TinyCountDownLatch::GetCount()
43 {
44     std::unique_lock<std::mutex> lock(mtx_);
45     return count_;
46 }
47 
48 } // NetManagerStandard
49 } // OHOS