kdelibs/kdecore/kernel/kdbusconnectionpool.cpp
Ivailo Monev 1c1bab4da8 generic: do not initialize QAtomicInt and QAtomicPointer<T> via assignment
Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
2022-05-30 22:07:52 +03:00

72 lines
2.1 KiB
C++

/*
* This file is part of the Nepomuk KDE project.
* Copyright (C) 2010 Sebastian Trueg <trueg@kde.org>
* Copyright (C) 2010 David Faure <faure@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "kdbusconnectionpool.h"
#include <QCoreApplication>
#include <QThread>
namespace {
QAtomicInt s_connectionCounter(0);
class KDBusConnectionPoolPrivate
{
public:
KDBusConnectionPoolPrivate()
: m_connection( QDBusConnection::connectToBus(
QDBusConnection::SessionBus,
QString::fromLatin1("KDBusConnection%1").arg(newNumber()) ) )
{
}
~KDBusConnectionPoolPrivate()
{
QDBusConnection::disconnectFromBus( m_connection.name() );
}
QDBusConnection connection() const
{
return m_connection;
}
private:
static int newNumber()
{
return s_connectionCounter.fetchAndAddAcquire(1);
}
QDBusConnection m_connection;
};
} // namespace
thread_local KDBusConnectionPoolPrivate* s_perThreadConnection = 0;
QDBusConnection KDBusConnectionPool::threadConnection()
{
if (QCoreApplication::instance()->thread() == QThread::currentThread()) {
return QDBusConnection::sessionBus();
}
if (!s_perThreadConnection) {
s_perThreadConnection = new KDBusConnectionPoolPrivate;
}
return s_perThreadConnection->connection();
}