* Marker interface for objects that use the JVM's `synchronized` mechanism and the related
 * `wait()` and `notify()` functions.
 *
 * The Lockable interface is particularly handy because it ensures we lock the right `this` when
 * there are multiple `this` objects in scope.
 */
interface Lockable

internal inline fun Lockable.wait() = (this as Object).wait()

internal inline fun Lockable.notify() = (this as Object).notify()

			}

			now := time.Now()
			if now.Sub(u.Queued) < time.Second {
				// let recently failed networks to reconnect
				// making MRF wait for 1s before retrying,
				// i.e 4 reconnect attempts.
				time.Sleep(time.Second)
			}

			// wait on timer per heal
			wait := healSleeper.Timer(context.Background())

			scan := madmin.HealNormalScan
			if u.BitrotScan {
				scan = madmin.HealDeepScan
			}

                        // WAIT #1
                        barrier.await(1, SECONDS);

                        // WAIT #2
                        barrier.await(1, SECONDS);
                        assertTrue(executor.isShutdown());
                        assertFalse(executor.isTerminated());

                        // WAIT #3
                        barrier.await(1, SECONDS);
                        return null;

				w := xioutil.NewDeadlineWorker(globalDriveConfig.GetMaxTimeout())
				return w.Run(func() error {
					wait := deleteCleanupSleeper.Timer(ctx)
					removeAll(pathJoin(drivePath, minioMetaTmpDeletedBucket, ddir))
					wait()
					return nil
				})
			})
		}(disk)
	}
	wg.Wait()
}

// nsScanner will start scanning buckets and send updated totals as they are traversed.

         'msys2.tar.xz'); \
    Start-Process -FilePath \"C:\Program Files\7-Zip\7z.exe\" -ArgumentList 'x msys2.tar.xz -oC:\TEMP\msys2.tar' -Wait; \
    Start-Process -FilePath \"C:\Program Files\7-Zip\7z.exe\" -ArgumentList 'x C:\TEMP\msys2.tar -oC:\tools' -Wait; \
    $env:PATH = [Environment]::GetEnvironmentVariable('PATH', 'Machine') + ';C:\tools\msys64;C:\tools\msys64\usr\bin\'; \

                        // WAIT #1
                        barrier.await(1, SECONDS);

                        // WAIT #2
                        barrier.await(1, SECONDS);
                        assertTrue(executor.isShutdown());
                        assertFalse(executor.isTerminated());

                        // WAIT #3
                        barrier.await(1, SECONDS);
                        return null;

     * If someone called cancel(true), it is possible that the interrupted bit hasn't been set yet.
     * Wait for the interrupting thread to set DONE. (See interruptTask().) We want to wait so that
     * the interrupting thread doesn't interrupt the _next_ thing to run on this thread.
     *
     * Note: We don't reset the interrupted bit, just wait for it to be set. If this is a thread

		}

		tries++
		switch {
		case errors.Is(err, errNotFirstDisk):
			// Fresh setup, wait for first server to be up.
			logger.Info("Waiting for the first server to format the drives (elapsed %s)\n", getElapsedTime())
		case errors.Is(err, errFirstDiskWait):
			// Fresh setup, wait for other servers to come up.

				close(reqStarted)
				// Just wait for it to cancel.
				for blockResp {
					select {
					case <-ctx.Done():
						close(serverCanceled)
						return NewRemoteErr(ctx.Err())
					case resp <- []byte{1}:
						time.Sleep(10 * time.Millisecond)
					}
				}
				// Just wait for it to cancel.
				<-ctx.Done()
				close(serverCanceled)

		r.writeCond.Broadcast()
	}

	// Unlock the mutex so readers/writers can finish.
	r.mu.Unlock()
	r.wg.Wait()
	r.mu.Lock()
	r.r = 0
	r.w = 0
	r.err = nil
	r.isFull = false
}

// WriteCloser returns a WriteCloser that writes to the ring buffer.
// When the returned WriteCloser is closed, it will wait for all data to be read before returning.
func (r *RingBuffer) WriteCloser() io.WriteCloser {