val latch = CountDownLatch(1)

    override fun runOnce(): Long {
      latch.countDown()
      return -1L
    }
  }

  /** Adds [task] to run in [delayNanos]. Returns true if the coordinator is impacted. */
  internal fun scheduleAndDecide(
    task: Task,
    delayNanos: Long,
    recurrence: Boolean,
  ): Boolean {
    task.initQueue(this)

    val now = taskRunner.backend.nanoTime()

    // Queue a task to interrupt the waiting coordinator.
    serialTaskQueue +=
      object : SerialTask {
        override fun start() {
          taskRunner.assertThreadHoldsLock()
          waitingCoordinatorInterrupted = true
          val coordinatorTask = waitingCoordinatorTask ?: error("no coordinator waiting")
          currentTask = coordinatorTask

          return readyTask
        }

        // Notify the coordinator of a task that's coming up soon.
        coordinatorWaiting -> {
          if (minDelayNanos < coordinatorWakeUpAt - now) {
            backend.coordinatorNotify(this@TaskRunner)
          }
          return null
        }

        // No other thread is coordinating. Become the coordinator!
        else -> {
          coordinatorWaiting = true

   strive for transparency within our open source community, and we work closely with upstream
   developers and others in the free software community to coordinate our efforts.

 * **Be pragmatic**: Questions are encouraged and should be asked early in the process to avoid
   problems later. Be thoughtful and considerate when seeking out the appropriate forum for your

## Version 5.0.0-alpha.2

_2021-01-30_

**In this release MockWebServer has a new Maven coordinate and package name.** A longstanding
problem with MockWebServer has been its API dependency on JUnit 4. We've reorganized things to
remove that dependency while preserving backwards compatibility.

| Maven Coordinate                                         | Package Name          | Description                       |

  @Test fun onlyOneCoordinatorWaitingToStartFutureTasks() {
    // Enqueueing the red task starts a coordinator thread.
    redQueue.execute("red task", 100.µs) {
      log += "red:run@${taskFaker.nanoTime}"
    }
    assertThat(taskFaker.executeCallCount).isEqualTo(1)

    // Enqueueing the blue task doesn't need a 2nd coordinator yet.
    blueQueue.execute("blue task", 200.µs) {
      log += "blue:run@${taskFaker.nanoTime}"
    }