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31 lines
588 B
C++
31 lines
588 B
C++
#pragma once
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//
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// Taken from
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// https://stackoverflow.com/questions/5006547/qt-best-practice-for-a-single-instance-app-protection
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//
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#include <QObject>
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#include <QSharedMemory>
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#include <QSystemSemaphore>
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class RunGuard
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{
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public:
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RunGuard(const QString &key);
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~RunGuard();
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bool isAnotherRunning();
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bool tryToRun();
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void release();
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private:
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const QString key;
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const QString memLockKey;
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const QString sharedmemKey;
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QSharedMemory sharedMem;
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QSystemSemaphore memLock;
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Q_DISABLE_COPY(RunGuard)
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};
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