Method start_wait

kernel/oswrapper/vspace.cc:499–512

}

bool Semaphore::start_wait(internals::ipc_signal_t sig) {
  _lock.lock();
  if (_value > 0) {
    if (internals::send_signal(internals::vmem.current_process, sig))
      _value--;
    _lock.unlock();
    return false;
  }
  _waiting[_tail] = internals::vmem.current_process;
  _signals[_tail] = sig;
  next(_tail);
  _lock.unlock();
  return true;
}

bool Semaphore::stop_wait() {
  bool result = false;