function on_error_stack_trace(prg_name: String): void {
    // Gjs wrapper for g_on_error_stack_trace()

Invokes gdb, which attaches to the current process and shows a stack trace. Called by GLib.on_error_query when the "[S]tack trace" option is selected. You can get the current process's program name with GLib.get_prgname, assuming that you have called gtk_init() or gdk_init().

This function may cause different actions on non-UNIX platforms.


the program name, needed by gdb for the "[S]tack trace" option