/**************************************************************************** ** ** Copyright (C) 2015 The Qt Company Ltd. ** Contact: http://www.qt.io/licensing/ ** ** This file is part of the test suite 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 int acquire(int count = 1) { QSystemSemaphore sem("store"); for (int i = 0; i < count; ++i) { if (!sem.acquire()) { qWarning() << "Could not acquire" << sem.key(); return EXIT_FAILURE; } } qDebug("done aquiring"); return EXIT_SUCCESS; } int release() { QSystemSemaphore sem("store"); if (!sem.release()) { qWarning() << "Could not release" << sem.key(); return EXIT_FAILURE; } qDebug("done releasing"); return EXIT_SUCCESS; } int acquirerelease() { QSystemSemaphore sem("store"); if (!sem.acquire()) { qWarning() << "Could not acquire" << sem.key(); return EXIT_FAILURE; } if (!sem.release()) { qWarning() << "Could not release" << sem.key(); return EXIT_FAILURE; } return EXIT_SUCCESS; } int main(int argc, char *argv[]) { QCoreApplication app(argc, argv); QStringList arguments = app.arguments(); // binary name is not used here arguments.takeFirst(); if (arguments.count() < 1) { qWarning("Please call the helper with the function to call as argument"); return EXIT_FAILURE; } QString function = arguments.takeFirst(); if (function == QLatin1String("acquire")) { int count = 1; bool ok = true; if (arguments.count()) count = arguments.takeFirst().toInt(&ok); if (!ok) count = 1; return acquire(count); } else if (function == QLatin1String("release")) { return release(); } else if (function == QLatin1String("acquirerelease")) { return acquirerelease(); } else { qWarning() << "Unknown function" << function; } return EXIT_SUCCESS; }