void updateRegistrations() { synchronized (updateList) { Update u = null; while ((u = updateList.poll()) != null) { SelChImpl ch = u.channel; if (!ch.isOpen()) continue; register0(kq, ch.getFDVal(), u.events & POLLIN, u.events & POLLOUT); } } }
protected void implDereg(SelectionKeyImpl ski) throws IOException { // Algorithm: Copy the sc from the end of the list and put it into // the location of the sc to be removed (since order doesn't // matter). Decrement the sc count. Update the index of the sc // that is moved. int i = ski.getIndex(); assert (i >= 0); if (i != totalChannels - 1) { // Copy end one over it SelectionKeyImpl endChannel = channelArray[totalChannels - 1]; channelArray[i] = endChannel; endChannel.setIndex(i); pollWrapper.release(i); PollArrayWrapper.replaceEntry(pollWrapper, totalChannels - 1, pollWrapper, i); } else { pollWrapper.release(i); } // Destroy the last one channelArray[totalChannels - 1] = null; totalChannels--; pollWrapper.totalChannels--; ski.setIndex(-1); // Remove the key from keys and selectedKeys keys.remove(ski); selectedKeys.remove(ski); deregister((AbstractSelectionKey) ski); SelectableChannel selch = ski.channel(); if (!selch.isOpen() && !selch.isRegistered()) ((SelChImpl) selch).kill(); }
void release(SelChImpl channel) { synchronized (updateList) { // flush any pending updates for (Iterator<Update> it = updateList.iterator(); it.hasNext(); ) { if (it.next().channel == channel) { it.remove(); } } // remove register0(kq, channel.getFDVal(), 0, 0); } }
protected void implClose() throws IOException { synchronized (closeLock) { if (closed) return; closed = true; // Deregister channels for (int i = channelOffset; i < totalChannels; i++) { SelectionKeyImpl ski = channelArray[i]; assert (ski.getIndex() != -1); ski.setIndex(-1); deregister(ski); SelectableChannel selch = channelArray[i].channel(); if (!selch.isOpen() && !selch.isRegistered()) ((SelChImpl) selch).kill(); } implCloseInterrupt(); pollWrapper.free(); pollWrapper = null; selectedKeys = null; channelArray = null; totalChannels = 0; } }