/**************************************************************************** ** ** Copyright (C) 2012 Intel Corporation. ** Contact: http://www.qt.io/licensing/ ** ** This file is part of the QtCore module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL21$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see http://www.qt.io/terms-conditions. For further ** information use the contact form at http://www.qt.io/contact-us. ** ** 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 or version 3 as published by the Free ** Software Foundation and appearing in the file LICENSE.LGPLv21 and ** LICENSE.LGPLv3 included in the packaging of this file. Please review the ** following information to ensure the GNU Lesser General Public License ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** As a special exception, The Qt Company gives you certain additional ** rights. These rights are described in The Qt Company LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include #include #include #include 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(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"