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| ** |
| ** Copyright (C) 2016 Intel Corporation. |
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| ** |
| ** This file is part of the QtCore module of the Qt Toolkit. |
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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" |