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sdrangel/sdrbase/util/syncmessenger.cpp

61 lines
2.0 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2015 F4EXB //
// written by Edouard Griffiths //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program 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 General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include "util/syncmessenger.h"
#include "util/message.h"
SyncMessenger::SyncMessenger() :
m_complete(0),
m_message(0),
m_result(0)
{
qRegisterMetaType<Message>("Message");
}
SyncMessenger::~SyncMessenger()
{}
int SyncMessenger::sendWait(Message& message, unsigned long msPollTime)
{
m_message = &message;
m_mutex.lock();
m_complete.store(0);
emit messageSent();
while (!m_complete.load())
{
m_waitCondition.wait(&m_mutex, msPollTime);
}
int result = m_result;
m_mutex.unlock();
return result;
}
void SyncMessenger::done(int result)
{
m_result = result;
m_complete.store(1);
m_waitCondition.wakeAll();
}