72 lines
2.3 KiB
C++
72 lines
2.3 KiB
C++
/****************************************************************************
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* Copyright (C) 2015 Dimok
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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****************************************************************************/
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#include "AsyncDeleter.h"
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AsyncDeleter * AsyncDeleter::deleterInstance = NULL;
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AsyncDeleter::AsyncDeleter()
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: CThread(CThread::eAttributeAffCore1 | CThread::eAttributePinnedAff)
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, exitApplication(false)
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{
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}
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AsyncDeleter::~AsyncDeleter()
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{
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exitApplication = true;
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}
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void AsyncDeleter::triggerDeleteProcess(void)
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{
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if(!deleterInstance)
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deleterInstance = new AsyncDeleter;
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//! to trigger the event after GUI process is finished execution
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//! this function is used to swap elements from one to next array
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if(!deleterInstance->deleteElements.empty())
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{
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deleterInstance->deleteMutex.lock();
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while(!deleterInstance->deleteElements.empty())
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{
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deleterInstance->realDeleteElements.push(deleterInstance->deleteElements.front());
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deleterInstance->deleteElements.pop();
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}
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deleterInstance->deleteMutex.unlock();
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deleterInstance->resumeThread();
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}
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}
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void AsyncDeleter::executeThread(void)
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{
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while(!exitApplication)
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{
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suspendThread();
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//! delete elements that require post process deleting
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//! because otherwise they would block or do invalid access on GUI thread
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while(!realDeleteElements.empty())
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{
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deleteMutex.lock();
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AsyncDeleter::Element *element = realDeleteElements.front();
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realDeleteElements.pop();
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deleteMutex.unlock();
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delete element;
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}
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}
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}
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