BC_Signals::set_catch_segv(mwindow->preferences->trap_sigsegv);
BC_Signals::set_catch_intr(mwindow->preferences->trap_sigintr);
BC_Signals::set_catch_segv(mwindow->preferences->trap_sigsegv);
BC_Signals::set_catch_intr(mwindow->preferences->trap_sigintr);