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#ifndef QWSLOCK_P_H

#define QWSLOCK_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  This header file may

// change from version to version without notice, or even be

// removed.

//

// We mean it.

//

#include <qglobal.h>

QT_BEGIN_NAMESPACE

#ifndef QT_NO_QWS_MULTIPROCESS

class QWSLock

{

public:

    enum LockType { BackingStore, Communication, RegionEvent };

    QWSLock();

    QWSLock(int lockId);

    ~QWSLock();

    bool lock(LockType type, int timeout = -1);

    void unlock(LockType type);

    bool wait(LockType type, int timeout = -1);

    bool hasLock(LockType type);

    int id() const { return semId; }

private:

    int semId;

    int lockCount[2];

};

QT_END_NAMESPACE

#endif // QT_NO_QWS_MULTIPROCESS

#endif // QWSLOCK_P_H