return count == 2, nil
	}); err != nil {
		t.Fatalf("expected forget() to be called twice, first call from w.add() and then from w.Stop() called from w.processInterval(): %v", err)
	}

	if !w.stopped {
		t.Fatal("expected the watcher to be stopped but it wasn't")
	}
}

// TestCacheWatcherDrainingNoBookmarkAfterResourceVersionSent checks if the watcher's input

	// timerZombie is set when the timer has been stopped
	// but is still present in some P's heap.
	// Only set when timerHeaped is also set.
	// It is possible for timerModified and timerZombie to both
	// be set, meaning that the timer was modified and then stopped.
	// A timer sending to a channel may be placed in timerZombie
	// to take it out of the heap even though the timer is not stopped,
	// as long as nothing is reading from the channel.

	// coherent. Since the world is stopped and sweeps are non-preemptible, we can never start
	// the world and see an unpaired sweep 'end' event. Other parts of the tracer rely on this.
	stw := stopTheWorld(stwStartTrace)

	// Prevent sysmon from running any code that could generate events.
	lock(&sched.sysmonlock)

	// Grab the minimum page heap address. All Ps are stopped, so it's safe to read this since

    }

    /**
     * Starts the daemon, receiving connections asynchronously (i.e. returns immediately).
     *
     * @throws IllegalStateException if this daemon is already running, or has already been stopped.
     */
    public void start() {
        LOGGER.info("start() called on daemon - {}", daemonContext);
        lifecycleLock.lock();
        try {
            if (stateCoordinator != null) {

import java.util.List;

/**
 * The entry point for a daemon process.
 *
 * If the daemon hits the specified idle timeout the process will exit with 0. If the daemon encounters an internal error or is explicitly stopped (which can be via receiving a stop command, or
 * unexpected client disconnection) the process will exit with 1.
 */
public class DaemonMain extends EntryPoint {

	a := &afterFuncCtx{
		f: f,
	}
	a.cancelCtx.propagateCancel(ctx, a)
	return func() bool {
		stopped := false
		a.once.Do(func() {
			stopped = true
		})
		if stopped {
			a.cancel(true, Canceled, nil)
		}
		return stopped
	}
}

type afterFuncer interface {
	AfterFunc(func()) func() bool
}

type afterFuncCtx struct {
	cancelCtx

func (c *cacheWatcher) stopLocked() {
	if !c.stopped {
		c.stopped = true
		// stop without draining the input channel was requested.
		if !c.drainInputBuffer {
			close(c.done)
		}
		close(c.input)
	}

	// Even if the watcher was already stopped, if it previously was
	// using draining mode and it's not using it now we need to

 *
 * TODO - this type could be simplified, as there is no longer any need to send/receive messages to/from multiple connections
 */
public class MessageHub implements AsyncStoppable {
    private enum State {Running, Stopping, Stopped}

    private static final Discard DISCARD = new Discard();
    private final ManagedExecutor workers;
    private final String displayName;
    private final Action<? super Throwable> errorHandler;

		} else {
			r.readImport()
		}
	}

	info.header = r.buf

	// If we stopped successfully before EOF, we read a byte that told us we were done.
	// Return all but that last byte, which would cause a syntax error if we let it through.
	if r.err == nil && !r.eof {
		info.header = r.buf[:len(r.buf)-1]
	}

	// If we stopped for a syntax error, consume the whole file so that

        } catch (final ContainerNotAvailableException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("SuggestCreator is stopped.", e);
            } else if (logger.isInfoEnabled()) {
                logger.info("SuggestCreator is stopped.");
            }
            exitCode = Constants.EXIT_FAIL;
        } catch (final Throwable t) {