Example usage for java.nio.channels Selector wakeup

Introduction

In this page you can find the example usage for java.nio.channels Selector wakeup.

Prototype

public abstract Selector wakeup();

Source Link

Document

Causes the first selection operation that has not yet returned to return immediately.

Usage

From source file:org.sonews.daemon.sync.SynchronousNNTPDaemon.java

public static SelectionKey registerSelector(final Selector selector, final SocketChannel channel, final int op)
        throws CancelledKeyException, ClosedChannelException {
    // Register the selector at the channel, so that it will be notified
    // on the socket's events
    synchronized (RegisterGate) {
        // Wakeup the currently blocking reader/writer thread; we have
        // locked the RegisterGate to prevent the awakened thread to block again
        selector.wakeup();

        // Lock the selector to prevent the waiting worker threads going
        // into selector.select() which would block the selector.
        synchronized (selector) {
            return channel.register(selector, op, null);
        }// www  . jav  a2s.  co m
    }
}

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From source file:com.alibaba.napoli.gecko.core.nio.impl.Reactor.java

final void wakeup() {
    if (this.wakenUp.compareAndSet(false, true)) {
        final Selector selector = this.selector;
        if (selector != null) {
            selector.wakeup();
        }//from  www.  j av  a2 s .  c o m
    }
}

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