tsharedmemory.h

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#pragma once
#include <TGlobal>
#ifdef Q_OS_WIN
#include <QSharedMemory>
#endif
 
class T_CORE_EXPORT TSharedMemory
#ifdef Q_OS_WIN
 : public QSharedMemory
#endif
{
public:
    TSharedMemory(const QString &name);
    ~TSharedMemory();
    bool create(size_t size);
    void unlink();
    bool attach();
    bool detach();
 
    void *data();
    const void *data() const;
    QString name() const;
    size_t size() const;
 
    bool lockForRead();
    bool lockForWrite();
    bool unlock();
 
private:
#ifndef Q_OS_WIN
    QString _name;
    size_t _size {0};
    void *_ptr {nullptr};
    int _fd {0};
#endif
 
    T_DISABLE_COPY(TSharedMemory)
    T_DISABLE_MOVE(TSharedMemory)
};