add: uint64 signalMask = SIGNAL_TO_MASK(signal);    if (thread->debug_info.ignore_signals_once & signalMask) { thread->debug_info.ignore_signals_once &= ~signalMask; return true; }  if (thread->debug_info.ignore_signals & signalMask) return true;
context: notify_debugger(int signal, struct sigaction *handler, bool deadly,	cpu_status *state){	bool result;	RELEASE_THREAD_LOCK();	restore_interrupts(*state);	result = user_debug_handle_signal(signal, handler, deadly);	*state = disable_interrupts();	GRAB_THREAD_LOCK();	return result;}