Index: lldb/include/lldb/Interpreter/CommandInterpreter.h
===================================================================
--- lldb/include/lldb/Interpreter/CommandInterpreter.h
+++ lldb/include/lldb/Interpreter/CommandInterpreter.h
@@ -610,6 +610,8 @@
 
   bool IsInteractive();
 
+  bool IOHandlerInterrupt(IOHandler &io_handler) override;
+
 protected:
   friend class Debugger;
 
@@ -623,8 +625,6 @@
     return ConstString();
   }
 
-  bool IOHandlerInterrupt(IOHandler &io_handler) override;
-
   void GetProcessOutput();
 
   bool DidProcessStopAbnormally() const;
Index: lldb/source/Core/IOHandlerCursesGUI.cpp
===================================================================
--- lldb/source/Core/IOHandlerCursesGUI.cpp
+++ lldb/source/Core/IOHandlerCursesGUI.cpp
@@ -7715,7 +7715,9 @@
 
 void IOHandlerCursesGUI::Cancel() {}
 
-bool IOHandlerCursesGUI::Interrupt() { return false; }
+bool IOHandlerCursesGUI::Interrupt() {
+  return m_debugger.GetCommandInterpreter().IOHandlerInterrupt(*this);
+}
 
 void IOHandlerCursesGUI::GotEOF() {}