Method doSelect

classpath/java/nio/channels/SocketSelector.java:68–111

(long interval)

  }

  public int doSelect(long interval) throws IOException {
    if (! isOpen()) {
      throw new ClosedSelectorException();
    }

    selectedKeys.clear();

    if (clearWoken()) interval = -1;

    int max=0;
    for (Iterator<SelectionKey> it = keys.iterator();
         it.hasNext();)
    {
      SelectionKey key = it.next();
      SelectableChannel c = key.channel();
      int socket = c.socketFD();
      if (c.isOpen()) {
        key.readyOps(0);
        max = natSelectUpdateInterestSet
          (socket, key.interestOps(), state, max);
      } else {
        natSelectClearAll(socket, state);
        it.remove();
      }
    }

    int r = natDoSocketSelect(state, max, interval);

    if (r > 0) {
      for (SelectionKey key : keys) {
        SelectableChannel c = key.channel();
        int socket = c.socketFD();
        int ready = natUpdateReadySet(socket, key.interestOps(), state);
        key.readyOps(ready);
        if (ready != 0) {
          c.handleReadyOps(ready);
          selectedKeys.add(key);
        }
      }
    }
    clearWoken();

    return selectedKeys.size();
  }

  public synchronized void close() {
    synchronized (lock) {