}

func (wg *WaitGroup) Add(i int32) {
	select {
	case <-wg.done:
		panic("use of an already closed WaitGroup")
	default:
	}
	atomic.AddInt32(&wg.count, i)
}

func (wg *WaitGroup) Done() {
	i := atomic.AddInt32(&wg.count, -1)
	if i == 0 {
		close(wg.done)
	}
}

func (wg *WaitGroup) C() <-chan struct{} {
	return wg.done

	select {
	case s.Requests <- b:
		return nil
	case <-s.ctx.Done():
		return context.Cause(s.ctx)
	}
}

// Results returns the results from the remote server one by one.
// If any error is returned by the callback, the stream will be canceled.
// If the context is canceled, the stream will be canceled.
func (s *Stream) Results(next func(b []byte) error) (err error) {
	done := false
	defer func() {
		if s.cancel != nil {

                }
                assertTrue(exists);
                done = true;
                break;
            }
            assertTrue(done);
        }
        // Delete
        {
            checkDeleteMethod(targetMap).then().body("response.status", equalTo(0));

            boolean done = false;
            for (int i = 0; i < 60; i++) {

        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());

      // When a listener is first added, we run a task that will wait for the delegate to finish,
      // and when it is done will run the listeners.
      if (hasListeners.compareAndSet(false, true)) {
        if (delegate.isDone()) {
          // If the delegate is already done, run the execution list immediately on the current
          // thread.
          executionList.execute();
          return;
        }

    /*
     * If the output future is done, then it won't need to interrupt the task later, so it can clear
     * its reference to it.
     *
     * If the output future is *not* done, then the task field will be cleared after the task runs
     * or after the output future is done, whichever comes first.
     */
    if (reason == OUTPUT_FUTURE_DONE) {
      this.task = null;
    }
  }

  @Override

    // First response is still waiting.
    assertThat(firstResponseCode.get()).isEqualTo(0)
    // Second response is done.
    assertThat(secondResponseCode.get()).isEqualTo(200)
    latch.countDown()
    startsFirst.join()
    // And now it's done!
    assertThat(firstResponseCode.get()).isEqualTo(200)
    // (Still done).
    assertThat(secondResponseCode.get()).isEqualTo(200)
  }

  private fun buildRequestThread(

		d=$((d + 1))
		args="$args http://127.0.0.1:$((start_port + 1))${WORK_DIR}/1/${d}/ http://127.0.0.1:$((start_port + 2))${WORK_DIR}/2/${d}/ http://127.0.0.1:$((start_port + 3))${WORK_DIR}/3/${d}/ "
	done

	"${MINIO[@]}" --address ":$((start_port + 1))" $args >"${WORK_DIR}/dist-minio-server1.log" 2>&1 &
	pid1=$!
	disown ${pid1}

	send := func(result acceptResult) bool {
		select {
		case listener.acceptCh <- result:
			// Successfully written to acceptCh
			return true
		case <-listener.ctx.Done():
			return false
		}
	}

	// Closure to handle TCPListener until done channel is closed.
	handleListener := func(idx int, listener net.Listener) {
		for {
			conn, err := listener.Accept()
			send(acceptResult{conn, err, idx})
		}
	}

	done

	"${MINIO[@]}" --address ":$((start_port + 1))" $args >"${WORK_DIR}/dist-minio-server1.log" 2>&1 &
	pid1=$!
	disown ${pid1}