return
			}
		}
	}()
	return func(err error) {
		if doneCh == nil {
			return
		}

		// Indicate we are ready to write.
		doneCh <- err

		// Wait for channel to be closed so we don't race on writes.
		<-doneCh

		// Clear so we can be called multiple times without crashing.
		doneCh = nil
	}, &closeNotifier{rc: r.Body, done: bodyDoneCh}
}

		for i := range last {
			entry := lastN[(cnt+i)%last]
			if (entry == log.Info{}) {
				continue
			}
			select {
			case subCh <- entry:
			case <-doneCh:
				return nil
			}
		}
	}
	return sys.pubsub.Subscribe(madmin.LogMaskAll, subCh, doneCh, filter)
}

// Init if HTTPConsoleLoggerSys is valid, always returns nil right now
func (sys *HTTPConsoleLoggerSys) Init(_ context.Context) error {
	return nil

		return ps.Participating && ps.Info.Status == rebalStarted
	}
	return false
}

func (z *erasureServerPools) rebalanceBuckets(ctx context.Context, poolIdx int) (err error) {
	doneCh := make(chan error, 1)
	defer xioutil.SafeClose(doneCh)

	// Save rebalance.bin periodically.
	go func() {
		// Update rebalance.bin periodically once every 5-10s, chosen randomly

		size := actualSz
		if i.heal.enabled {
			done := globalScannerMetrics.time(scannerMetricHealCheck)
			size = i.applyHealing(ctx, objAPI, oi)
			done()

			if healDeleteDangling {
				done := globalScannerMetrics.time(scannerMetricCleanAbandoned)
				err := objAPI.CheckAbandonedParts(ctx, i.bucket, i.objectPath(), madmin.HealOpts{Remove: healDeleteDangling})
				done()
				if err != nil {

        assertEquals(0, CrawlerStatus.DONE.compareTo(CrawlerStatus.DONE));

        // INITIALIZING < RUNNING < DONE (based on ordinal)
        assertTrue(CrawlerStatus.INITIALIZING.compareTo(CrawlerStatus.RUNNING) < 0);
        assertTrue(CrawlerStatus.INITIALIZING.compareTo(CrawlerStatus.DONE) < 0);
        assertTrue(CrawlerStatus.RUNNING.compareTo(CrawlerStatus.DONE) < 0);

        // Reverse comparisons

        crawlerStatsHelper.done(key);
        logger.info(localLogMsg.get());
        String[] values = localLogMsg.get().split("\t");
        assertEquals(3, values.length);
        assertEquals("url:test", values[0]);
        assertTrue(values[1].startsWith("time:"));
        assertTrue(values[2].startsWith("done:"));

        localLogMsg.remove();
        crawlerStatsHelper.done(key);
        assertNull(localLogMsg.get());

	ctx, done, err := p.TrackDiskHealth(ctx, storageMetricListVols, "/")
	if err != nil {
		return nil, err
	}
	defer done(0, &err)

	return p.storage.ListVols(ctx)
}

func (p *xlStorageDiskIDCheck) StatVol(ctx context.Context, volume string) (vol VolInfo, err error) {
	ctx, done, err := p.TrackDiskHealth(ctx, storageMetricStatVol, volume)
	if err != nil {
		return vol, err
	}
	defer done(0, &err)

    @Override
    public void run() {}
  }

  // The thread executing the task publishes itself to the superclass' reference and the thread
  // interrupting sets DONE when it has finished interrupting.
  private static final Runnable DONE = new DoNothingRunnable();
  private static final Runnable PARKED = new DoNothingRunnable();
  // Why 1000?  WHY NOT!
  private static final int MAX_BUSY_WAIT_SPINS = 1000;

  @Override

        assertFalse(cos.done);
        assertTrue(cos.isInMemory());
        cos.close();
        assertFalse(cos.done);
    }

    @Test
    public void inFile() throws IOException {
        ContentOutputStream cos = new ContentOutputStream(10, Curl.tmpDir);
        cos.write(new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 });
        assertFalse(cos.done);
        assertFalse(cos.isInMemory());

        super(threshold, PREFIX, SUFFIX, tmpDir);
    }

    @Override
    public File getFile() {
        done = true;
        return super.getFile();
    }

    @Override
    public void close() throws IOException {
        try {
            super.close();
        } finally {
            if (!isInMemory() && !done) {
                final File file = super.getFile();
                if (file != null) {