File: kptyprocess.cpp

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/*
 * This file is a part of QTerminal - http://gitorious.org/qterminal
 *
 * This file was un-linked from KDE and modified
 * by Maxim Bourmistrov <maxim@unixconn.com>
 *
 */

/*
    This file is part of the KDE libraries

    Copyright (C) 2007 Oswald Buddenhagen <ossi@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 "kptyprocess.h"
#include "kprocess.h"
#include "kptydevice.h"

#include <cstdlib>
#include <unistd.h>
#include <csignal>
#include <QDebug>

KPtyProcess::KPtyProcess(QObject *parent) :
    KProcess(new KPtyProcessPrivate, parent)
{
    Q_D(KPtyProcess);

    d->pty = new KPtyDevice(this);
    d->pty->open();
    connect(this, SIGNAL(stateChanged(QProcess::ProcessState)),
            SLOT(_k_onStateChanged(QProcess::ProcessState)));
}

KPtyProcess::KPtyProcess(int ptyMasterFd, QObject *parent) :
    KProcess(new KPtyProcessPrivate, parent)
{
    Q_D(KPtyProcess);

    d->pty = new KPtyDevice(this);
    d->pty->open(ptyMasterFd);
    connect(this, SIGNAL(stateChanged(QProcess::ProcessState)),
            SLOT(_k_onStateChanged(QProcess::ProcessState)));
}

KPtyProcess::~KPtyProcess()
{
    Q_D(KPtyProcess);

    if (state() != QProcess::NotRunning)
    {
        if (d->addUtmp)
        {
            d->pty->logout();
            disconnect(SIGNAL(stateChanged(QProcess::ProcessState)),
                    this, SLOT(_k_onStateChanged(QProcess::ProcessState)));
        }
    }
    delete d->pty;
    waitForFinished(300); // give it some time to finish
    if (state() != QProcess::NotRunning)
    {
        qWarning() << Q_FUNC_INFO << "the terminal process is still running, trying to stop it by SIGHUP";
        ::kill(static_cast<pid_t>(processId()), SIGHUP);
        waitForFinished(300);
        if (state() != QProcess::NotRunning)
            qCritical() << Q_FUNC_INFO << "process didn't stop upon SIGHUP and will be SIGKILL-ed";
    }
}

void KPtyProcess::setPtyChannels(PtyChannels channels)
{
    Q_D(KPtyProcess);

    d->ptyChannels = channels;
}

KPtyProcess::PtyChannels KPtyProcess::ptyChannels() const
{
    Q_D(const KPtyProcess);

    return d->ptyChannels;
}

void KPtyProcess::setUseUtmp(bool value)
{
    Q_D(KPtyProcess);

    d->addUtmp = value;
}

bool KPtyProcess::isUseUtmp() const
{
    Q_D(const KPtyProcess);

    return d->addUtmp;
}

KPtyDevice *KPtyProcess::pty() const
{
    Q_D(const KPtyProcess);

    return d->pty;
}

void KPtyProcess::setupChildProcess()
{
    Q_D(KPtyProcess);

    d->pty->setCTty();

#if 0
    if (d->addUtmp)
        d->pty->login(KUser(KUser::UseRealUserID).loginName().toLocal8Bit().data(), qgetenv("DISPLAY"));
#endif
    if (d->ptyChannels & StdinChannel)
        dup2(d->pty->slaveFd(), 0);

    if (d->ptyChannels & StdoutChannel)
        dup2(d->pty->slaveFd(), 1);

    if (d->ptyChannels & StderrChannel)
        dup2(d->pty->slaveFd(), 2);

    KProcess::setupChildProcess();
}

//#include "kptyprocess.moc"