return;
            }

            active.put(id, "");

            Started notification = new Started(startEvent.getStartTime(), id, parentId, buildOperation.getDetails());

            try {
                notificationListener.started(notification);
            } catch (Throwable e) {

    }

    def "multiple threads can coordinate locking of a project"() {
        def threadCount = 10
        def started = new CountDownLatch(threadCount)

        when:
        async {
            threadCount.times {
                start {
                    started.countDown()
                    thread.blockUntil.releaseAll

  ) {
    defaultInstancePort = defaultInstance.port
    instanceAPort = instanceA.port
    instanceBPort = instanceB.port
    assertThat(defaultInstance.started).isTrue()
    assertThat(instanceA.started).isTrue()
    assertThat(instanceB.started).isTrue()
    assertThat(defaultInstancePort).isNotEqualTo(instanceAPort)
    assertThat(defaultInstancePort).isNotEqualTo(instanceBPort)
  }

  @AfterEach
  fun tearDown(

[19515] [INFO] Booting worker with pid: 19515
[19511] [INFO] Started server process [19511]
[19511] [INFO] Waiting for application startup.
[19511] [INFO] Application startup complete.
[19513] [INFO] Started server process [19513]
[19513] [INFO] Waiting for application startup.
[19513] [INFO] Application startup complete.
[19514] [INFO] Started server process [19514]
[19514] [INFO] Waiting for application startup.

        def taskOutput = getTaskOutput(result)
        matchesTaskOutput(taskOutput, testLogEventRegex(TestLogEvent.SKIPPED.consoleMarker))
    }

    def "can group started test log event with task if configured"() {
        given:
        buildFile << testLoggingEvents(TestLogEvent.STARTED.testLoggingIdentifier)
        file(JAVA_TEST_FILE_PATH) << javaTestClass { '' }

        when:
        executer.withConsole(consoleType)

    /**
     * Creates a new long-running operation which has not been started.
     *
     * @param loggerCategory The logger category.
     * @return The progress logger for the operation.
     */
    ProgressLogger newOperation(String loggerCategory);

    /**
     * Creates a new long-running operation which has not been started.
     *
     * @param loggerCategory The logger category.

        this.buildCancellationToken = buildCancellationToken;
    }

    public void start() {
        if (started.compareAndSet(false, true)) {
            buildCancellationToken.addCallback(cancellationCallback);
        }
    }

    @Override
    public void stop() {
        if (started.compareAndSet(true, false)) {
            buildCancellationToken.removeCallback(cancellationCallback);
        }
    }

        then:
        noExceptionThrown()

        where:
        notificationMethod | testedIf       | notificationEvent
        'started'          | SimpleDetails  | startedNotification(SimpleDetails)
        'started'          | EmptyDetails   | startedNotification(EmptyDetails)
        'progress'         | SimpleProgress | progressNotification(SimpleProgress)

            testsStarted = false;
            currentTests.clear();
            currentTestClass = null;
        }
    }

    @Override
    public void started(TestDescriptorInternal test, TestStartEvent event) {
        resultProcessor.started(test, event);
        testsStarted = true;
        currentTests.add(test.getId());
    }

    @Override
    public void completed(Object testId, TestCompleteEvent event) {

            if (file.endsWith(".gradle.kts")) {
                withProblem("Settings file '${relativePath(file)}': external process started")
            } else {
                withProblem("Settings file '${relativePath(file)}': line 5: external process started")
            }
        }

        where:
        snippetsFactory             | file
        exec().groovy               | "included/settings.gradle"