debugger: add a comment about why we don't support threaded mode in t…

…he debugger

Signed-off-by: Balazs Scheidler <[email protected]>

lib/debugger/debugger-main.c

@@ -87,7 +87,14 @@ detach_debugger(gpointer user_data)
 void
 debugger_start(MainLoop *main_loop, GlobalConfig *cfg)
 {
-  /* we don't support threaded mode (yet), force it to non-threaded */
+  /* we don't support threaded mode (yet) as breakpoints would need to be
+   * worker thread aware, but at the moment we only support a single
+   * pending breakpoint at a time, force it to non-threaded.
+   *
+   * The solution is to have the worker side state to be per-thread and
+   * handle multiple pending breakpoints.
+   */
+
   cfg->threaded = FALSE;
   current_debugger = debugger_new(main_loop, cfg);
   debugger_start_console(current_debugger);