95 lines
2.1 KiB
C++
Executable File
95 lines
2.1 KiB
C++
Executable File
/*
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* Copyright (C) 2012 The Android Open Source Project
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* Copyright 2021 NXP.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "SyncEvent.h"
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#include <android-base/stringprintf.h>
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#include <android-base/logging.h>
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using android::base::StringPrintf;
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std::list<SyncEvent *> syncEventList;
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std::mutex syncEventListMutex;
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SyncEvent::~SyncEvent() { mWait = false; }
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void SyncEvent::start() {
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mWait = false;
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mMutex.lock();
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}
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void SyncEvent::wait() {
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mWait = true;
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addEvent();
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while (mWait) {
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mCondVar.wait(mMutex);
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}
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}
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bool SyncEvent::wait(long millisec) {
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bool retVal;
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mWait = true;
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addEvent();
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while (mWait) {
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retVal = mCondVar.wait(mMutex, millisec);
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if (!retVal)
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mWait = false;
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}
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return retVal;
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}
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void SyncEvent::notifyOne() {
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mWait = false;
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removeEvent();
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mCondVar.notifyOne();
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}
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void SyncEvent::notify() {
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mWait = false;
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mCondVar.notifyOne();
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}
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void SyncEvent::end() {
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mWait = false;
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mMutex.unlock();
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}
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void SyncEvent::addEvent() {
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std::lock_guard<std::mutex> guard(
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syncEventListMutex); // with lock access list
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bool contains = (std::find(syncEventList.begin(), syncEventList.end(),
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this) != syncEventList.end());
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if (!contains)
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syncEventList.push_back(this);
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}
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void SyncEvent::removeEvent() {
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std::lock_guard<std::mutex> guard(
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syncEventListMutex); // with lock access list
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syncEventList.remove(this);
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}
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void SyncEvent::notifyAll() {
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std::lock_guard<std::mutex> guard(
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syncEventListMutex); // with lock access list
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for (auto &i : syncEventList) {
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if (i != NULL)
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i->notify();
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}
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syncEventList.clear();
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}
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