| 1 | /**************************************************************************** |
|---|---|
| 2 | ** |
| 3 | ** Copyright (C) 2016 The Qt Company Ltd. |
| 4 | ** Contact: https://www.qt.io/licensing/ |
| 5 | ** |
| 6 | ** This file is part of the test suite of the Qt Toolkit. |
| 7 | ** |
| 8 | ** $QT_BEGIN_LICENSE:GPL-EXCEPT$ |
| 9 | ** Commercial License Usage |
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in |
| 11 | ** accordance with the commercial license agreement provided with the |
| 12 | ** Software or, alternatively, in accordance with the terms contained in |
| 13 | ** a written agreement between you and The Qt Company. For licensing terms |
| 14 | ** and conditions see https://www.qt.io/terms-conditions. For further |
| 15 | ** information use the contact form at https://www.qt.io/contact-us. |
| 16 | ** |
| 17 | ** GNU General Public License Usage |
| 18 | ** Alternatively, this file may be used under the terms of the GNU |
| 19 | ** General Public License version 3 as published by the Free Software |
| 20 | ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT |
| 21 | ** included in the packaging of this file. Please review the following |
| 22 | ** information to ensure the GNU General Public License requirements will |
| 23 | ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
| 24 | ** |
| 25 | ** $QT_END_LICENSE$ |
| 26 | ** |
| 27 | ****************************************************************************/ |
| 28 | |
| 29 | #include <QCoreApplication> |
| 30 | #include <QDebug> |
| 31 | #include <QStringList> |
| 32 | #include <QSystemSemaphore> |
| 33 | |
| 34 | int acquire(int count = 1) |
| 35 | { |
| 36 | QSystemSemaphore sem("store"); |
| 37 | |
| 38 | for (int i = 0; i < count; ++i) { |
| 39 | if (!sem.acquire()) { |
| 40 | qWarning() << "Could not acquire"<< sem.key(); |
| 41 | return EXIT_FAILURE; |
| 42 | } |
| 43 | } |
| 44 | qDebug(msg: "done aquiring"); |
| 45 | return EXIT_SUCCESS; |
| 46 | } |
| 47 | |
| 48 | int release() |
| 49 | { |
| 50 | QSystemSemaphore sem("store"); |
| 51 | if (!sem.release()) { |
| 52 | qWarning() << "Could not release"<< sem.key(); |
| 53 | return EXIT_FAILURE; |
| 54 | } |
| 55 | qDebug(msg: "done releasing"); |
| 56 | return EXIT_SUCCESS; |
| 57 | } |
| 58 | |
| 59 | int acquirerelease() |
| 60 | { |
| 61 | QSystemSemaphore sem("store"); |
| 62 | if (!sem.acquire()) { |
| 63 | qWarning() << "Could not acquire"<< sem.key(); |
| 64 | return EXIT_FAILURE; |
| 65 | } |
| 66 | if (!sem.release()) { |
| 67 | qWarning() << "Could not release"<< sem.key(); |
| 68 | return EXIT_FAILURE; |
| 69 | } |
| 70 | return EXIT_SUCCESS; |
| 71 | } |
| 72 | |
| 73 | int main(int argc, char *argv[]) |
| 74 | { |
| 75 | QCoreApplication app(argc, argv); |
| 76 | |
| 77 | QStringList arguments = app.arguments(); |
| 78 | // binary name is not used here |
| 79 | arguments.takeFirst(); |
| 80 | if (arguments.count() < 1) { |
| 81 | qWarning(msg: "Please call the helper with the function to call as argument"); |
| 82 | return EXIT_FAILURE; |
| 83 | } |
| 84 | QString function = arguments.takeFirst(); |
| 85 | if (function == QLatin1String("acquire")) { |
| 86 | int count = 1; |
| 87 | bool ok = true; |
| 88 | if (arguments.count()) |
| 89 | count = arguments.takeFirst().toInt(ok: &ok); |
| 90 | if (!ok) |
| 91 | count = 1; |
| 92 | return acquire(count); |
| 93 | } else if (function == QLatin1String("release")) { |
| 94 | return release(); |
| 95 | } else if (function == QLatin1String("acquirerelease")) { |
| 96 | return acquirerelease(); |
| 97 | } else { |
| 98 | qWarning() << "Unknown function"<< function; |
| 99 | } |
| 100 | return EXIT_SUCCESS; |
| 101 | } |
| 102 |