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/*
* Copyright (C) 2015 by Multi-Tech Systems
*
* This file is part of libmts.
*
* libmts is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* libmts is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with libmts. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <mts/MTS_SignalThread.h>
#include <mts/MTS_Logger.h>
using namespace MTS;
SignalThread::SignalThread(const std::string& name)
: Thread(name, true)
, m_bShouldExecute(false)
, m_bCurrentlyExecuting(false)
, m_ui32WaitMillis(200)
{
init();
}
SignalThread::SignalThread(const std::string& name, uint32_t waitMillis)
: Thread(name, true)
, m_bShouldExecute(false)
, m_bCurrentlyExecuting(false)
, m_ui32WaitMillis(waitMillis)
{
init();
}
void SignalThread::init()
{
printConfig("SignalThread| %s - starting up", Thread::getName().c_str());
m_apStateLock.reset(new MTS::Lock);
m_apConditionLock.reset(new MTS::Lock);
m_apCondition.reset(m_apConditionLock->createCondition());
}
SignalThread::~SignalThread()
{
stop();
m_apStateLock.reset();
m_apConditionLock.reset();
m_apCondition.reset();
printConfig("SignalThread| %s - shutting down", Thread::getName().c_str());
}
void SignalThread::signal()
{
m_apConditionLock->lock();
m_bShouldExecute = true;
m_apCondition->signal();
m_apConditionLock->unlock();
}
void SignalThread::run()
{
while (! Thread::isCanceled())
{
m_apConditionLock->lock();
if (! m_bShouldExecute)
{
m_apCondition->wait(m_ui32WaitMillis);
}
if (m_bShouldExecute)
{
printTrace("SignalThread| %s - starting execute() function", Thread::getName().c_str());
m_apStateLock->lock();
m_bCurrentlyExecuting = true;
m_apStateLock->unlock();
execute();
m_apStateLock->lock();
m_bCurrentlyExecuting = false;
m_apStateLock->unlock();
printTrace("SignalThread| %s - finished execute() function", Thread::getName().c_str());
}
m_bShouldExecute = false;
m_apConditionLock->unlock();
}
}
bool SignalThread::isExecuting() const
{
bool retval = false;
m_apStateLock->lock();
retval = m_bCurrentlyExecuting;
m_apStateLock->unlock();
return retval;
}
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