| /* |
| * Copyright (C) 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| #define DEBUG false // STOPSHIP if true |
| |
| #include "MultiConditionTrigger.h" |
| |
| #include <thread> |
| |
| using namespace std; |
| |
| namespace android { |
| namespace os { |
| namespace statsd { |
| |
| MultiConditionTrigger::MultiConditionTrigger(const set<string>& conditionNames, |
| function<void()> trigger) |
| : mRemainingConditionNames(conditionNames), |
| mTrigger(trigger), |
| mCompleted(mRemainingConditionNames.empty()) { |
| if (mCompleted) { |
| thread executorThread([this] { mTrigger(); }); |
| executorThread.detach(); |
| } |
| } |
| |
| void MultiConditionTrigger::markComplete(const string& conditionName) { |
| bool doTrigger = false; |
| { |
| lock_guard<mutex> lg(mMutex); |
| if (mCompleted) { |
| return; |
| } |
| mRemainingConditionNames.erase(conditionName); |
| mCompleted = mRemainingConditionNames.empty(); |
| doTrigger = mCompleted; |
| } |
| if (doTrigger) { |
| std::thread executorThread([this] { mTrigger(); }); |
| executorThread.detach(); |
| } |
| } |
| } // namespace statsd |
| } // namespace os |
| } // namespace android |