1 files changed, 9 insertions, 7 deletions
diff --git a/sources/pyside6/libpyside/pysidesignal_p.h b/sources/pyside6/libpyside/pysidesignal_p.h
index 432f6b5a0..55a9a7a70 100644
--- a/sources/pyside6/libpyside/pysidesignal_p.h
+++ b/sources/pyside6/libpyside/pysidesignal_p.h
@@ -13,13 +13,14 @@ struct PySideSignalData
 {
     struct Signature
     {
-        QByteArray signature;
-        int attributes;
+        QByteArray signature; // ','-separated list of parameter types
+        unsigned short attributes;
+        short argCount;
     };
 
     QByteArray signalName;
     QList<Signature> signatures;
-    QByteArrayList *signalArguments = nullptr;
+    QByteArrayList signalArguments;
 };
 
 extern "C"
@@ -39,20 +40,21 @@ struct PySideSignalInstancePrivate
 {
     QByteArray signalName;
     QByteArray signature;
-    int attributes = 0;
     PyObject *source = nullptr;
     PyObject *homonymousMethod = nullptr;
     PySideSignalInstance *next = nullptr;
+    unsigned short attributes = 0;
+    short argCount = 0;
 };
 
-namespace PySide { namespace Signal {
+namespace PySide::Signal {
 
     void            init(PyObject *module);
     bool            connect(PyObject *source, const char *signal, PyObject *callback);
     QByteArray      getTypeName(PyObject *);
-    QString         codeCallbackName(PyObject *callback, const QString &funcName);
+    QByteArray      codeCallbackName(PyObject *callback, const QByteArray &funcName);
     QByteArray      voidType();
 
-}} //namespace PySide
+} // namespace PySide::Signal
 
 #endif