send_signal_to_thread_locked
status_t send_signal_to_thread_locked(Thread* thread, uint32 signalNumber,
status_t error = send_signal_to_thread_locked(fThread, fSignal->Number(),
send_signal_to_thread_locked(thread, SIGNAL_DEBUG_THREAD, NULL, 0);
error = send_signal_to_thread_locked(thread, signal.Number(), signalToQueue,
return send_signal_to_thread_locked(thread, SIGNAL_CANCEL_THREAD, NULL, 0);