Files
create/src/Gui/Quarter/SignalThread.cpp
Mateusz Skowroński 9b07616fe6 * Cosmetic change. Replace Qt keyword emit with Q_EMIT.
* Whitespace fixes.
2017-01-05 22:57:30 +01:00

77 lines
2.4 KiB
C++

/**************************************************************************\
* Copyright (c) Kongsberg Oil & Gas Technologies AS
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
\**************************************************************************/
#include <QMutexLocker>
#include "SignalThread.h"
using namespace SIM::Coin3D::Quarter;
SignalThread::SignalThread(void)
: isstopped(false)
{
}
SignalThread::~SignalThread()
{
}
void
SignalThread::trigger(void)
{
// lock first to make sure the QThread is actually waiting for a signal
QMutexLocker ml(&this->mutex);
this->waitcond.wakeOne();
}
void
SignalThread::stopThread(void)
{
QMutexLocker ml(&this->mutex);
this->isstopped = true;
this->waitcond.wakeOne();
}
void
SignalThread::run(void)
{
QMutexLocker ml(&this->mutex);
while (!this->isstopped) {
// just wait, and trigger every time we receive a signal
this->waitcond.wait(&this->mutex);
if (!this->isstopped) {
Q_EMIT triggerSignal();
}
}
}