Adds initial intermediate qt6 porting state

qt6-after/qt6-migrated-legatus/Z/src/QtSingleApplication/qtlockedfile.cpp

@@ -0,0 +1,68 @@
+
+
+
+#include "qtlockedfile.h"
+
+
+
+
+
+
+
+
+
+QtLockedFile::QtLockedFile()
+    : QFile()
+{
+#ifdef Q_OS_WIN
+    wmutex = 0;
+    rmutex = 0;
+#endif
+    m_lock_mode = NoLock;
+}
+
+
+
+QtLockedFile::QtLockedFile(const QString &name)
+    : QFile(name)
+{
+#ifdef Q_OS_WIN
+    wmutex = 0;
+    rmutex = 0;
+#endif
+    m_lock_mode = NoLock;
+}
+
+
+
+bool QtLockedFile::open(OpenMode mode)
+{
+    if (mode & QIODevice::Truncate) {
+        qWarning("QtLockedFile::open(): Truncate mode not allowed.");
+        return false;
+    }
+    return QFile::open(mode);
+}
+
+
+
+bool QtLockedFile::isLocked() const
+{
+    return m_lock_mode != NoLock;
+}
+
+
+
+QtLockedFile::LockMode QtLockedFile::lockMode() const
+{
+    return m_lock_mode;
+}
+
+
+
+
+
+
+
+
+