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/****************************************************************************
**
** Copyright (C) 2016 Intel Corporation.
** Contact: https://www.qt.io/licensing/
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** This file is part of the QtCore module of the Qt Toolkit.
**
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** GNU General Public License Usage
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** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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#include <QtCore/QCoreApplication>
#include <QtCore/QProcess>
#include <QtCore/QThread>
#include <QtTest>
class tst_QProcessNoApplication : public QObject
{
Q_OBJECT
private Q_SLOTS:
void initializationDeadlock();
};
void tst_QProcessNoApplication::initializationDeadlock()
{
// see QTBUG-27260
// QProcess on Unix uses (or used to, at the time of the writing of this test)
// a global class called QProcessManager.
// This class is instantiated (or was) only in the main thread, which meant that
// blocking the main thread while waiting for QProcess could mean a deadlock.
struct MyThread : public QThread
{
void run()
{
// what we execute does not matter, as long as we try to
// and that the process exits
QProcess::execute("true");
}
};
char *argv[] = { const_cast<char*>(QTest::currentAppName()), 0 };
int argc = 1;
QCoreApplication app(argc, argv);
MyThread thread;
thread.start();
QVERIFY(thread.wait(10000));
}
QTEST_APPLESS_MAIN(tst_QProcessNoApplication)
#include "tst_qprocessnoapplication.moc"