1 | /** |
---|---|
2 | * Copyright 2021 Alibaba, Inc. and its affiliates. All Rights Reserved. |
3 | * |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
5 | * you may not use this file except in compliance with the License. |
6 | * You may obtain a copy of the License at |
7 | * |
8 | * http://www.apache.org/licenses/LICENSE-2.0 |
9 | * |
10 | * Unless required by applicable law or agreed to in writing, software |
11 | * distributed under the License is distributed on an "AS IS" BASIS, |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
13 | * See the License for the specific language governing permissions and |
14 | * limitations under the License. |
15 | |
16 | * \author Haichao.chc |
17 | * \date Oct 2020 |
18 | * \brief Implementation of wait notifier |
19 | */ |
20 | |
21 | #include "wait_notifier.h" |
22 | |
23 | namespace proxima { |
24 | namespace be { |
25 | |
26 | void WaitNotifier::wait() { |
27 | std::unique_lock<std::mutex> lck(mutex_); |
28 | if (!notified_) { |
29 | cv_.wait(lck); |
30 | } |
31 | notified_ = false; |
32 | } |
33 | |
34 | void WaitNotifier::wait_until( |
35 | const std::chrono::system_clock::time_point &tm_point) { |
36 | std::unique_lock<std::mutex> lck(mutex_); |
37 | if (!notified_) { |
38 | cv_.wait_until(lck, tm_point); |
39 | } |
40 | notified_ = false; |
41 | } |
42 | |
43 | void WaitNotifier::wait_for( |
44 | const std::chrono::system_clock::duration &tm_duration) { |
45 | std::unique_lock<std::mutex> lck(mutex_); |
46 | if (!notified_) { |
47 | cv_.wait_for(lck, tm_duration); |
48 | } |
49 | notified_ = false; |
50 | } |
51 | |
52 | void WaitNotifier::notify() { |
53 | std::unique_lock<std::mutex> lck(mutex_); |
54 | notified_ = true; |
55 | lck.unlock(); |
56 | cv_.notify_one(); |
57 | } |
58 | |
59 | } // namespace be |
60 | } // end namespace proxima |
61 |