"No mapping between account names and security IDs was done.", "The security ID structure is invalid.",
            "All pipe instances are busy.", "All pipe instances are busy.", "The pipe state is invalid.", "All pipe instances are busy.",
            "No process is on the other end of the pipe.", "The pipe is being closed.",

                true), RESOURCE_LOCKED("Resource is locked", ErrorCategory.RESOURCE, true),

        // Transient errors
        BUSY("Server busy", ErrorCategory.TRANSIENT, true), TRY_AGAIN("Try again later", ErrorCategory.TRANSIENT,
                true), SERVICE_UNAVAILABLE("Service temporarily unavailable", ErrorCategory.TRANSIENT, true),

        // Generic errors

      if (activeTask == null && futureTasks.isEmpty()) {
        return CountDownLatch(0)
      }

      // If there's an existing AwaitIdleTask, use it. This is necessary when the executor is
      // shutdown but still busy as we can't enqueue in that case.
      val existingTask = activeTask
      if (existingTask is AwaitIdleTask) {
        return existingTask.latch
      }
      for (futureTask in futureTasks) {

	driveWritesAwaitMD = NewGaugeMD(driveWritesAwait,
		"Average time for write requests served on a drive",
		allDriveLabels...)
	drivePercUtilMD = NewGaugeMD(drivePercUtil,
		"Percentage of time the disk was busy",
		allDriveLabels...)
)

func getCurrentDriveIOStats() map[string]madmin.DiskIOStats {
	types := madmin.MetricsDisk
	driveRealtimeMetrics := collectLocalMetrics(types, collectMetricsOpts{

    void testScoring() {
        channelInfo.setState(ChannelState.ESTABLISHED);
        int baseScore = channelInfo.getScore();
        assertTrue(baseScore > 0);

        // Active channel should have lower score (busy penalty)
        channelInfo.setState(ChannelState.ACTIVE);
        int activeScore = channelInfo.getScore();
        assertTrue(activeScore < baseScore);

        // Failed channel should have zero score

    s.defaultWriteObject();
    s.writeLong(sum());
  }

  private void readObject(ObjectInputStream s) throws IOException, ClassNotFoundException {
    s.defaultReadObject();
    busy = 0;
    cells = null;
    base = s.readLong();
  }

/**
 * File System Control Code (FSCC) request for pipe wait operations.
 * Implements the FSCTL_PIPE_WAIT control code used to wait for a named pipe
 * to become available when attempting to connect to a busy pipe.
 *
 * @author mbechler
 */
public class FsctlPipeWaitRequest implements Encodable {

    private final byte[] nameBytes;
    private final long timeout;
    private final boolean timeoutSpecified;

     *
     * @return channel score
     */
    public int getScore() {
        int score = 100;

        // Adjust based on state
        if (state == ChannelState.ACTIVE)
            score -= 20; // Busy channel penalty
        if (state != ChannelState.ESTABLISHED && state != ChannelState.ACTIVE)
            return 0;

        // Adjust based on error rate
        double errorRate = getErrorRate();

      if (compareAndSet(currentRunner, blocker)) {
        // Thread.interrupt can throw arbitrary exceptions due to the nio InterruptibleChannel API
        // This will make sure that tasks don't get stuck busy waiting.
        // Some of this is fixed in jdk11 (see https://bugs.openjdk.org/browse/JDK-8198692) but
        // not all.  See the test cases for examples on how this can happen.
        try {

            "The filename, directory name, or volume label syntax is incorrect.", "The directory is not empty.",
            "Cannot create a file when that file already exists.", "All pipe instances are busy.", "The pipe is being closed.",
            "No process is on the other end of the pipe.", "More data is available.", "This user account has expired.",