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47 #ifndef QTLOCKEDFILE_H
48 #define QTLOCKEDFILE_H
50 #include <QtCore/QFile>
52 #include <QtCore/QVector>
56 # if !defined(QT_QTLOCKEDFILE_EXPORT) && !defined(QT_QTLOCKEDFILE_IMPORT)
57 # define QT_QTLOCKEDFILE_EXPORT
58 # elif defined(QT_QTLOCKEDFILE_IMPORT)
59 # if defined(QT_QTLOCKEDFILE_EXPORT)
60 # undef QT_QTLOCKEDFILE_EXPORT
62 # define QT_QTLOCKEDFILE_EXPORT __declspec(dllimport)
63 # elif defined(QT_QTLOCKEDFILE_EXPORT)
64 # undef QT_QTLOCKEDFILE_EXPORT
65 # define QT_QTLOCKEDFILE_EXPORT __declspec(dllexport)
68 # define QT_QTLOCKEDFILE_EXPORT
71 class QT_QTLOCKEDFILE_EXPORT QtLockedFile : public QFile
74 enum LockMode { NoLock = 0, ReadLock, WriteLock };
77 QtLockedFile(const QString &name);
80 bool open(OpenMode mode);
82 bool lock(LockMode mode, bool block = true);
84 bool isLocked() const;
85 LockMode lockMode() const;
91 QVector<Qt::HANDLE> rmutexes;
94 Qt::HANDLE getMutexHandle(int idx, bool doCreate);
95 bool waitMutex(Qt::HANDLE mutex, bool doBlock);