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diff --git a/src/app/qbs/ctrlchandler.cpp b/src/app/qbs/ctrlchandler.cpp
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+++ b/src/app/qbs/ctrlchandler.cpp
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+/**************************************************************************
+**
+** This file is part of the Qt Build Suite
+**
+** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (info@qt.nokia.com)
+**
+**
+** GNU Lesser General Public License Usage
+**
+** 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file.
+** Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**************************************************************************/
+
+#include <QtCore/qglobal.h>
+#include <QtCore/QCoreApplication>
+#include <QtCore/QDebug>
+#include <QtCore/QTimer>
+
+#if defined(Q_OS_WIN) && defined(Q_CC_MSVC)
+
+#include <qt_windows.h>
+
+static BOOL WINAPI consoleCtrlHandlerRoutine(__in  DWORD dwCtrlType)
+{
+    Q_UNUSED(dwCtrlType);
+    QTimer::singleShot(0, qApp, SLOT(userInterrupt()));
+    return TRUE;
+}
+
+void installCtrlCHandler()
+{
+    SetConsoleCtrlHandler(&consoleCtrlHandlerRoutine, TRUE);
+}
+
+#else
+
+#include <csignal>
+
+static void sigIntHandler(int sig)
+{
+    Q_UNUSED(sig);
+    QTimer::singleShot(0, qApp, SLOT(userInterrupt()));
+}
+
+void installCtrlCHandler()
+{
+    signal(SIGINT, sigIntHandler);
+}
+
+#endif