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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "ossignalconverter_p.h"
#include <signal.h>
#include <QTimer>
#include <stdio.h>
Q_GLOBAL_STATIC(OsSignalConverter, osSignalConverter);
OsSignalConverter* OsSignalConverter::instance()
{
return osSignalConverter();
}
OsSignalConverter::OsSignalConverter()
: d(new OsSignalConverterPrivate(this))
{
};
OsSignalConverter::~OsSignalConverter()
{
}
OsSignalConverterPrivate::OsSignalConverterPrivate(OsSignalConverter* owner)
: QObject(owner), q(owner), poller(new QTimer(this))
{
trap();
connect(poller, SIGNAL(timeout()), this, SLOT(poll()));
poller->start(1000);
}
OsSignalConverterPrivate::~OsSignalConverterPrivate()
{
untrap();
}
void OsSignalConverterPrivate::trap()
{
signal(SIGINT, handler);
signal(SIGTERM, handler);
#ifdef SIGBREAK
signal(SIGBREAK, handler);
#endif
#ifdef SIGHUP
signal(SIGHUP, handler);
#endif
#ifdef SIGQUIT
signal(SIGQUIT, handler);
#endif
}
void OsSignalConverterPrivate::untrap()
{
signal(SIGINT, SIG_DFL);
signal(SIGTERM, SIG_DFL);
#ifdef SIGBREAK
signal(SIGBREAK, SIG_DFL);
#endif
#ifdef SIGHUP
signal(SIGHUP, SIG_DFL);
#endif
#ifdef SIGQUIT
signal(SIGQUIT, SIG_DFL);
#endif
}
void OsSignalConverterPrivate::handler(int sig)
{
untrap(); //allow 2nd ctrl-c to really kill us
terminateRequest = sig;
}
void OsSignalConverterPrivate::poll()
{
if (terminateRequest) {
fprintf(stderr, "\n*** caught signal %d, terminating ***\n", terminateRequest);
poller->stop();
emit q->terminate();
}
}
sig_atomic_t OsSignalConverterPrivate::terminateRequest;
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