diff --git a/lcl/interfaces/qt6/cbindings/src/qthread_c.cpp b/lcl/interfaces/qt6/cbindings/src/qthread_c.cpp
index a569a7785a..70266865ca 100644
--- a/lcl/interfaces/qt6/cbindings/src/qthread_c.cpp
+++ b/lcl/interfaces/qt6/cbindings/src/qthread_c.cpp
@@ -1,5 +1,5 @@
 //******************************************************************************
-//  Copyright (c) 2005-2013 by Jan Van hijfte
+//  Copyright (c) 2005-2023 by Jan Van hijfte, Željan Rikalo
 //
 //  See the included file COPYING.TXT for details about the copyright.
 //
@@ -111,6 +111,21 @@ bool QThread_wait(QThreadH handle, unsigned long time)
 	return (bool) ((QThread *)handle)->wait(time);
 }
 
+bool QThread_isInterruptionRequested(QThreadH handle)
+{
+  return (bool) ((QThread *)handle)->isInterruptionRequested();
+}
+
+void QThread_requestInterruption(QThreadH handle)
+{
+  ((QThread *)handle)->requestInterruption();
+}
+
+int QThread_loopLevel(QThreadH handle)
+{
+  return (int) ((QThread *)handle)->loopLevel();
+}
+
 void QThread_sleep(unsigned long AnonParam1)
 {
 	QThread::sleep(AnonParam1);
diff --git a/lcl/interfaces/qt6/cbindings/src/qthread_c.h b/lcl/interfaces/qt6/cbindings/src/qthread_c.h
index 29f4291272..b89125b38a 100644
--- a/lcl/interfaces/qt6/cbindings/src/qthread_c.h
+++ b/lcl/interfaces/qt6/cbindings/src/qthread_c.h
@@ -1,5 +1,5 @@
 //******************************************************************************
-//  Copyright (c) 2005-2013 by Jan Van hijfte
+//  Copyright (c) 2005-2023 by Jan Van hijfte, Željan Rikalo
 //
 //  See the included file COPYING.TXT for details about the copyright.
 //
@@ -35,6 +35,9 @@ C_EXPORT void QThread_start(QThreadH handle, QThread::Priority AnonParam1);
 C_EXPORT void QThread_terminate(QThreadH handle);
 C_EXPORT void QThread_quit(QThreadH handle);
 C_EXPORT bool QThread_wait(QThreadH handle, unsigned long time);
+C_EXPORT bool QThread_isInterruptionRequested(QThreadH handle);
+C_EXPORT void QThread_requestInterruption(QThreadH handle);
+C_EXPORT int QThread_loopLevel(QThreadH handle);
 C_EXPORT void QThread_sleep(unsigned long AnonParam1);
 C_EXPORT void QThread_msleep(unsigned long AnonParam1);
 C_EXPORT void QThread_usleep(unsigned long AnonParam1);