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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <QCoreApplication>
#include <QDebug>
#include <QStringList>
#include <QSystemSemaphore>
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;
}
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